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نماذج أسئلة اختبار الهيئة للمختبرات الطبية

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افتراضي نماذج أسئلة اختبار الهيئة للمختبرات الطبية



[HEMATOLOGY
1- Vitamin K antagonist :

a- warfarin

b- Heparin

c- Protein C

d- Antithrombin III

2- One of the intrinsic pathway
a- factor XI

b- factor XIII

c- factor I

d- factor VII

3- Para hemophilia is the deficiency of
a- factor VIII

b- factor IX

c- factor V

d- factor VII

4- Eosinophilia is seen in :
a- food sensitivity

b- Drug sensitivity

c- Atopic dermatitis

d- all of the above

5- Multiple myeloma is a neoplastic proliferation of:
a- lymphocytes

b- Granulocytes

c- Plasma cells

d- Monocytes

6- Test for intrinsic pathway:
a- bleeding time

b- Thrombin time

c- Prothrombin time

d- Partial thromboplastin time PTT


7- Paul-Bunnel test is done to diagnose:
a- multiple myeloma

b- Hodgkin’s disease

c- Infectious mononucleosis

d- all of the above

8- increased platelet count is :
a- thrombocytopenia

b- thrombopoietin

c- thrombocytosis

d- all of the above

9- Decreased platelet count is:
a- thrombocytopenia

b- Thrombopoietin

c- Thrombocytosis

d- all of the above

10- All these are causes of thrombocytopenia except:
a- cytotoxic drugs

b- Aplastic anemia

c- Hemorrhage

d- Radiotherapy

11- Prothrombin time is done to test:
a- Intrinsic pathway only

b- Extrinsic pathway only

c- Extrinsic and common pathways

d- Intrinsic and common pathways

12- Normal bleeding time by Duke’s method:
a- 2-7 minutes

b- 2-7 seconds

c- 2-4 minutes

d- 2-4 seconds

13- Normal partial thromboplastin time (PPT) is :
a- 3-4 minutes

b- 30-45 seconds

c- 12-15 seconds

d- 12-15 minutes

14- Hemophilia A is the deficiency of :
a- factor V

b- factor VIII

c- factor IX

d- all of the above

15-the most common form of leukemia in children is:
a- acute lymphoblastic leukemia

b- Chronic lymphocytic leukemia

c- Acute myeloid leukemia

d- Chronic myeloid leukemia

16- Bence-Jones protein is present in cases of:
a- chronic myeloid myeloma

b-acute myeloid myeloma

c- Hodgkin’s lymphoma

d- multiple myeloma

17- Reed-Sternberg cells are found in cases of :
a- acute lymphoblastic leukemia

b- Non Hodgkin’s lymphoma

c- Hodgkin’s lymphoma

d- Multiple myeloma

18- Normal platelet count is :
a- 150,000 to 450,000/min3

b- 400,000 to 800,000/min3

c- 4,000 to 11,000 /min3

d- 50,000 to 100,000/min3

19- Antithrombin III inhibits:
a- factor Va

b- factor VIIIa

c- factor Xa

d- all of the above

20- Heparin potentiate the action of :
a- protein C

b- protein S

c- antithrombin III

d- warfarin


21- Factor II of blood clotting is:
a- Christmas factor

b- Fibrinogen

c- Prothrombin

d- Thromboplastin

22- One of fibrinogen group is : I V VIII XIII
a- II

b- V

c- VII

d- IX

23- Fibrinogen is converted to soluble fibrin by:
a- prothrombin

b- Thromboplastin

c- Thrombin

d- all of the above

24- Thrombopoitin control the formation of:
a- red blood cells

b- White blood cells

c- platelets

d- non of the above

25- Normal prothrombin time (PT) is:
a- 30-45 seconds

b- 30-45 minutes

c- 12-15 seconds

d- 12-15 minutes

26- Parasitic disease is associated with:
a- monocytosis - bacteria

b- Lymphocytosis - virus

c- Basophilia - sensitive

d- Eosinophilia

27- Philadelphia chromosome is diagnostic for:
a- acute lymphoblastic leukemia

b- Acute myeloid leukemia

c- Chronic lymphocytic leukemia

d- chronic myeloid leukemia

28- Normal fibrinogen level:

a- 150-400 gm%

b- 150-400 mg %

c- 15-40 mg %

d- 15-40 gm %

29-infectious mononucleosis is caused by:
a- echo virus

b- coxsaki virus

c- Epstein Barr virus EBV

d- Cytomegalo virus

30- Atypical lymphocytosis is seen in cases of:
a- Hodgkin’s lymphoma

b- Multiple myeloma

c- Infectious mononucleosis

d- Chronic lymphocytic leukemia

31-monospot test is done to diagnose:
a- Acute myeloid leukemia

b- Acute lymphoblastic leukemia

c- Infectious mononucleosis

d- Infectious lymphocytosis

32- The test which depend on blood platelets & capillary fragility is:
a- prothrombin time

b- Thrombin time

c- Bleeding time

d- Clotting time

33- Fibrin is broken to fibrin degradation products by the action of:
a- Prothrombin

b- Thrombin

c- Plasminogen

d- Plasmin



 |~   تـوقـيـع:  

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التعديل الأخير تم بواسطة ظل العيون ; 01-24-2014 الساعة 03:17 AM
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فترة الأقامة : 2007 يوم
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33- Fibrin is broken to fibrin degradation products by the action of:
a- Prothrombin
b- Thrombin
c- Plasminogen
d- Plasmin





34- Acute myeloid leukemia is characterized by:
a- low neutrophil alkaline phosphatase
b- Myeloblast with Auer rods
c- Neutrophil with Pleger-Huet anomaly
d- all of the above

35- Plasminogen is converted to plasmin by :
a- Heparin
b-Histamine
c- Urokinase
d- Serotonin

36- Increase D-dimers and fibrin degradation products are seen in cases of:
a- Hemophilia A
b- Vitamin K deficiency
c- Diffuse intravascular coagulation
d- Von Willebrand disease

37- Activated protein C degrades:
a- factor IXa
b- Factor VIIIa
c- Factor Xa
d- Factor Xia

38- Heparin is found in
a- Neutrophil
b- Basophil
c- Acidophil
d- all of the above

39- In hemophilia A the test which will be prolonged is
a- PT
b- PTT
c- Bleeding time
d- all of the above

40- Bleeding due to overdose of heparin is managed by giving:
a- Vit K
b- Vit C
c- Vit A
d- Protamin sulphate
41- Streptokinase and staphylokinase convert:
a- Prothrombin to thrombin
b- Fibrinogen to fibrin
c- Soluble fibrin to insoluble fibrin
d- Plasminogen to plasmin

42- Test for platelet function:
a- Clot retraction
b- Platelet aggregation
c- Platelet adhesion
d- all of the above

43- Prolonged PT occurs in cases of deficiency of:
a- Factor III
b- Factor IV
c- Factor V
d- all of the above

44- normal thrombin time (TT):
a- 30-45 sec
b- 2-4 min
c- 3-9 min
d- 10-20 sec

45- cause of vitamin K deficiency:
a- Obstructive jaundice
b- Prolonged use of antibiotics
c- Inadequate intake
d- all of the above

46- Cause of Hyper- Coagulable state:
a- Aplastic anemia
b- Cytotxic drugs
c- Polcythemia
d- Radiotherapy

47-Physiological cause of neutrophilia:
a- New born
b- Radiotherapy
c- Cytotoxic drugs
d- Prolonged use of antibiotics
48- Leucocytosis characterized by the presence of immature cells and high neutrophil alkaline phosphatase:
a- chronic myeloid leukemia
b- Acute myeloid leukemia
c- Leukaemid reaction
d- non of the above

49- Normal coagulation time (CT):
a- 3-9 min
b- 3-9 sec
c- 30-40 sec
d- 30-40 min

50- The test which measures the clotting time of citrated plasma accelerated by the addition of a clotting factor activator (kaolin) , phospholipids and calcium:
a- coagulation time
b- Prothrombin time
c- Partial thromboplastin time
d- Thrombin time

51- The test which measures the clotting time of citrated plasma to which thromboplastin and calcium has been added:
a- thrombin time
b- Prothrombin time
c- Coagulation time
d- Partial thromboplastin time

52- The test which is widely used as a control and follow up test to control anticoagulant treatment:
a- APTT
b- PTT
c- PT
d- TT

53- A disease characterized by progressive neoplastic proliferation of immature white cell precursor:
a- acute leukemia
b- Chronic leukemia
c- Lymphoma
d- Multiple myeloma


54- The absolute lymphocyte count may be up to 300,000 or more between 70 and 90 % of white cells in the blood film appear as small lymphocytes . THE CASE IS:
a- Acute myeloid leukemia
b- Acute lymphoblastic leukemia
c- Chronic myeloid leukemia
d- Chronic lymphocytic leukemia

55- Variation in red cells size:
a- Poikilcytosis
b- Anisocytosis
c- Reticulocytosis
d- Leukocytosis

56- Dark red cells with no area of central pallor:
a- Stomatocyte
b- Spherocyte
c- Acathocyte
d- Schistocyte

57- Microcytic hypochromic anemia
a- hereditary spherocytosis
b- Sickle cell anemia
c- Iron deficiency anemia
d- Vit B12 deficiency anemia

58- Target cells are seen in cases of:
a- folic acid deficiency
b- Iron deficiency anemia
c- Vit B12 deficiency anemia
d- Thalassemia

59- Red cells with elongated area of central pallor:
a- spherocyte
b- Schistocyte
c- Stomatocyte
d- Elliptocutes



60- ……………….. Symmetric, short , sharp projection from the red cells and seen in iron deficiency anemia:
a- echinocyte
b- Acanthocyte
c- Elliptocyte
d- Ovalocyte

61- ……………… is a condition in which the absorption of vit B12 is greatly impaired due to failure or marked reduction of intrinsic factor secretion:
a- fauvism
b- fanconi’s anemia
c-sickle cell anemia
d- thalassemia
e- pernicious anemia



 |~   تـوقـيـع:  

الفيس بوك
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قديم 03-11-2010   رقم المشاركة : ( 3 )
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فترة الأقامة : 2007 يوم
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62- Hyperchromic cells are seen in:
a- iron deficiency anemia
b- Thalassemia
c- Hereditary spherocytosis
d- Sickle cell anemia

63- A prolonged low rate of bleeding results in:
a- normochromic anemia
b- Hypochromic anemia
c- Hyperchromic anemia
d- non of the above

64- Schilling test is done in diagnosis of:
a- iron deficiency anemia
b- Pernicious anemia
c- Aplastic anemia
d- folic acid deficiency


65- Defective synthesis of either alpha or beta chains of normal hemoglobin
cause:
a- sickle cell anemia
b- Aplastic anemia
c- Pernicious anemia
d- Thalassemia

66- Neutrophils represent…………… of circulating leukocyte:
a- 2-8 %
b- 0-1 %
c- 50-70 %
d- 2-4 %

67- …………. are non nucleated, biconcave shaped cells:
a- platelet
b- Leukocyte
c- Erythrocyte
d- Macrophages

68- …………….. represent 50-70 % of total leukocytes
a- lymphocytes
b- Neutrophils
c- Monocytes
d- Eosinophilis

69- …………… have a characteristic biffed nucleus and their cytoplasm is filled with large refractile granules that stain red in blood smear
a- neutrophils
b- Eosinophilis
c- Basophiles
d- Lymphocytes

70- The cell which is responsible for antibody production is:
a- moncytes
b- T-lymphocytes
c- B-lymphocytes = plasma cell
d- Neutrophils


71- …… is a curved cell with sharp ends seen in haemoglobinopathies (HBS)
a- sickle cell
b- Spherocyte
c- Ovalocyte
d- Stomatocyte


72- All of the following is correct about sickle cell anemia except:
a- leg ulcers
b- Gall stones
c- Enlargement of spleen
d- Attacks of pain

73- ……….. is a single, large, rounded , dark , purple remnant of nucleus
a- Heinz body
b- Howeel-Jolly body
c- Pappenheimer body
d- Cabot ring

74- Agranulocyte:
a- neutrophil
b- Lymphocyte
c- Basophile
d- Eosinophil

75- Pica ( craving to eat unusual substance such as clay or ice) is one of the symptoms of:
a- G6PD deficiency
b- Thalassemia
c- Megaloblastic anemia
d- Iron deficiency anemia

76- In …………….. there’s a decreased or absent hemosiderin in bone marrow
a- sideroblastic anemia
b- Iron deficiency anemia
c- Megaloblastic anemia
d- Hemolytic anemia

77- Chloramphenicol may cause …………. anemia in long term therapy
a- iron deficiency
b- Vit B12 deficiency
c- folic acid deficiency
d- Aplastic anemia

78- ………. is the fluid (with anticoagulant) component of blood , it contains salt & organic compounds:
a- plasma
b- Serum
c- Hemoglobin
d- Billirubin

79- Poikilocytosis is:
a- variation in red cell size
b- Variation in red cell color
c- Variation in red cell shape
d- non of the above

80- Red cell fragments:
a- echinocyte
b- Elliptocyte
c- Schistocyte
d- Stomatocyte

81- It is a defect of red cell member
a- Thalassemia
b- Sickle cell anemia
c- Hereditary spherocytosis
d- Megaloblastic anemia

82- All of the following is correct regarding spherocytosis except:
a- normocytic normochromic anemia
b- Decreased reticulocyte count
c- Raised plasma bilirubin
d- Increased osmotic fragility

83- Heinz bodies are seen in cases of
a- hereditary spherocytosis
b- Hereditary elliplocytosis
c- G6PD deficiency
d- sickle cell anemia



84- ……………… is caused by substitution of amino acid (valine) instead of glutamic acid at position No.#6 in the beta chain of hemoglobin
a- Hb-A
b- Hb-A2
c- Hb –F
d- Hb –S sickle cell

85- Atrophy of the spleen is seen in cases of:
a- Thalassemia
b- Sickle cell anemia
c- G6PD deficiency
d- Hereditary elliplocytosis

86- iron deficiency lead to :
a- normocytic normochromic anemia
b- microcytic hypochromic anemia
c- macrocytic anemia
d- hemolytic anemia

87- Neurological symptoms are seen in cases of:
a- iron deficiency anemia
b- folic acid deficiency
c- Vit B12 deficiency
d- all of the above

88- Megaloplastic hematopoiesis is seen in cases of:
a- iron deficiency anemia
b- folic acid deficiency
c- Vit B12 deficiency
d- Vit C deficiency


89- Fanconi’s anemia is a type of :
a - vit B12 deficiency
b- aplastic anemia
c- Thalassemia
d- folic acid deficiency anemia




90- the most abundant leukocyte in a normal blood smear of adult is :
a- lymphocyte
b- Monocyte
c- Eosinophil
d- Neutrophil

91- The first line of defense against parasites:
a- neutrophils
b- Basophile
c- Eosinophil
d- Lymphocyte

92- …………….. play a role in immediate and delayed hypersensitivity:
a- monocyte
b- Lymphocyte
c- Eosinophil
d- Basophile

93- The largest leukocyte is :
a- neutrophils
b- Lymphocyte
c- Monocyte
d- Basophile

94- Cell which participate in cell mediated immunity:
a- monocyte
b- B- lymphocyte
c- T- lymphocyte
d- neutrophils

95- ……… promotes blood clotting and help to prevent blood loss from damaged blood vessels:
a- platelets
b- WBCs
c- RBCs
d- all of the above


96-antibody induced hemolytic disease in new born that is caused by blood group incompatibility between mother and fetus:
a- hemolytic uremic syndrome
b- Erythroblastosis fetalis
c- Hereditary spherocytosis
d- Thromboloc thrombocytopenic purpurea

97- Young red blood cell with cytoplasmic RNA:
a- spherocyte
b- Reticulocyte
c- Stomatocyte
d- elliptocyte



 |~   تـوقـيـع:  

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قديم 03-11-2010   رقم المشاركة : ( 4 )
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لوني المفضل : Cadetblue
رقم العضوية : 7
تاريخ التسجيل : Apr 2009
فترة الأقامة : 2007 يوم
أخر زيارة : منذ أسبوع واحد
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عدد النقاط : 69
 
 
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98- Normal adult hemoglobin tetramer is:
a- 2 alpha : 2 gama
b- 2 alpha : 2 beta
c- 2 alpha : 2 delta
d- 2 beta : 2 gama

99- …………… represent 2-4 % of total leukocyte:
a- neutrophils
b- Basophile
c- Eosinophil
d- Monocyte

100- ………… are small cytoplasmic fragment derived from megakaryocytic:
a- RBCs
b- WBCs
c- Platelet
d- non of the above

101 - ………….. is the reduction in the amount of circulating hemoglobin , red blood cells or both:
a- polycythemia
b- Anemia
c- Hemophilia
d- Leucopenia



102- Thalassemia is :
a- microcytic anemia
b- Macrocytic anemia
c- Normocytic anemia
d- non of the above

103- Vit B12 deficiency lead to :
a- hemolytic anemia
b- Microcytic anemia
c- Normocytic anemia
d- Megaloblastic anemia

104- Lymphocyte represent ………….. of total leukocyte:
a- 20-40 %
b- 50-70 %
c- 2-8 %
d- 1-5 %

105- Plumer- Vinson syndrome may be seen in cases of:
a- iron deficiency anemia
b- Vit B12 deficiency anemia
c- Aplastic anemia
d- folic acid deficiency anemia

106- peripheral, pale inclusions that push out the cell membrane and composed of hemoglobin:
a- cabot ring
b- Pappenheimer body
c- Howell-Jolly body
d- Heinz body

107- it’s an acute hemolytic anemia occurring after the ingestion of broad bean in individual with deficiency of G6PD :
a-thalassemia
b- Favism
c- Fanconi’s anemia
d- Cooley’s anemia




108-………………. is a multiple small , peripheral grape like purple clusters of iron:
a- cabot ring
b- Heinz body
c- Howell-Jolly body
d- Pappenheimer body

109- the blood smear gives the physician information concerning:
a- morphology of RBCs and platelet
b- Presence of abnormal inclusion
c- Presence of immature cells
d- all of the above

110- hypersplenism is one of the causes of :
a- iron deficiency anemia
b- Hemolytic anemia
c- Aplastic anemia
d- Megaloblastic anemia

111- Increased reticulocytes count is seen in cases of:
a- hereditary spherocytosis
b- G6PD deficiency
c- Sickle cell anemia
d- all of the above

112- The antibody which can pass the placenta:
a- Ig M
b- Ig G
c- Ig D
d- Ig E


113- ……… is an autoimmune disease in which there is an immune destruction of the acid and pepsin secreating cells of the stomach:
a- fanconi’s anemia
b- cooley’s anemia
c-pernicious anemia
d- non of the above

114- All of these are laboratory features of aplastic anemia except:
a- pancytopenia
b-markedly hypocellular marrow
c- Increased reticulocyte count
d- Markedly increase in serum erythropoietin

115- Secondary granules of neutrophils contain:
a- elastase
b- Myeloperoxidase
c- Lysozyme
d- Histamine

116- Monocytes represent ………………. of total leukocyte:
a- 0-1 %
b- 2-4 %
c- 2-8 %
d- 20-4 %

117- the reagent used for leukocyte count is :
a- citric acid
b- Acetic acid
c- Hydrochloric acid
d- Sulphoric acid


















BACTERIOLOGY
118- All are Prokaryotic cells except:
a- Fungi
b- Bacteria
c - Chlamydia
d- Mycoplasma

119- Viruses:
a- Contain only DNA or RNA
b - They Contain ribosome
c- Did not affected by antibiotics
d- a+c

120- All of these are essential structure except:
a- Nuclear body
b- Spores
c- Cell wall
d- Plasma Membrane

121- ________ is giving the shape to the bacteria
a.- Cytoplasmic Membrane
b- Capsule
c- Cell Wall
d- All of the above

122- One of its functions is selective permeability
a- Cell wall
b- Plasma membrane
c- Capsule
d- Spores

123- They are responsible for Haemagglutination Phenomenon
a- Flagella
b- Fimbria
c- Capsule
d- Cell wall





124- Clostridium Tetani is:
a- Atrichous bacteria
b- Mono-trichous bacteria
c- Amphi-trichous bacteria
d- Peri-trichous bacteria

125- Short curved or straight rods, motile by single polar flagellum
a- spirochaeta
b- Vibrio
c- Escherichia
d- Lactobacillus

126- Small gram negative cocci, occur in pairs
a- staphylococcus
b- streptococcus
c- neisseria
d- non of the above

127- Transfer of genetic information from one bacterium to another by
bacteriophages is:
a. Transformation
b. Tansduction
c. Conjugation
d. Mutation

128- Salmonella are:
a- Obligatory Aerobic bacteria
b.- Obligatory Anaerobic bacteria
c- Facultative Anaerobic bacteria
d- Micro-aerophilic bacteria

129- According to pH, vibrio cholera is
a- Osmophilic bacteria
b- Basophilic bacteria
c- Acidophilic bacteria
d- Neutrophilic bacteria




130- Staphylococci are:
a- Atrichous bacteria
b- Mono-trichous bacteria
c- Amphi-trichous bacteria
d- Peri-trichous bacteria



 |~   تـوقـيـع:  

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قديم 03-11-2010   رقم المشاركة : ( 5 )
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لوني المفضل : Cadetblue
رقم العضوية : 7
تاريخ التسجيل : Apr 2009
فترة الأقامة : 2007 يوم
أخر زيارة : منذ أسبوع واحد
المشاركات : 2,908 [ + ]
عدد النقاط : 69
 
 
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131- During replication of DNA, copying errors may occur and this is called
a- Conjugation
b- Transduction
c- Transformation
d- Mutation

132- Obligatory Anaerobic bacteria
a- grow only in presence of oxygen
b- grow only in absence of oxygen
c- grow either in presence or absence of oxygen
d- grow in presence of oxygen traces and 5 – 10% CO2

133- Neutrophilic bacteria grow well at
a- pH 8.5 – 9.0
b- pH 7.2 – 7.4
c- pH 5.0 – 5.5
d- pH 2.5 – 3.0

134- The rate of cell death increase and bacterial growth stopped, this is
a- Adaptation phase
b- Exponential phase .
c- Stationary phase.
d- Decline Phase

135- Beta-hemolytic
a- Cause complete hemolysis of RBC’s
b- Cause chemical change of Hemoglobin in RBC’s
c- Do not cause hemolysis
d- None of them





146- Mesophilic bacteria grow at:
a- 37°C
b- 14°C
c- 60°C
d- 120°C

137- Circulation of Bacteria and its toxins in blood
a- Pyaemia
b- Toxemia
c.- Bacteremia - without toxins
d- Septicemia

138- Disinfections that applied on living or injured tissues:
a- Sterilization
b- Antiseptic
c- Sanitation
d- Decontamination

139- Hot air oven is used for sterilization of
a- Glass
b- Rubber Gloves
c.- Plastic Syringes
d- Catheters

140- Disinfectant for superficial fungal infection
a- Phenol
b- Potassium permanganate
c- Chlorine
d- Hypochlorite compounds

141- Rifampin
a- inhibit cell wall synthesis
b- inhibit protein synthesis
c- inhibit folic acid pathway
d- inhibit mRNA synthesis

142- Transacetylase inactivate
a- aminoglycosides
b- chloramphenicol
c- penicillin
d- cephalosporins

143- The color of gram positive bacteria is
a- Yellow
b- Black.
c- Pink
d- Violet

144- Selective media for fungi
a- blood agar
b- Mac Conkey agar
c- Nutrient agar
d- Sabourand’s dextrose agar

145- Histoplasma is a :
a- Systemic mycosis
b- Sub – Cutaneous mycosis
c- Cutaneous mycosis
d- Superficial mycosis

146- All are asexual spores produced by mould except
a- Conidio – spores
b- Sporangio – spores
c- Endospores
d- Arthro – spores

147- They reproduce only by Asexual reproduction
a- Blastomycosis
b- Deutromycosis
c- Ascomycetes
d- Zygomycetes

148- The functions of cell wall is all of the following except:
a- Giving the shape to the bacteria
b- Carrying somatic antigen
c-Selective permeability& transport of solutes = plasma membrane
d- Protect the bacteria from plasmolysis

149- Atrichous Bacteria are:
a- Bacteria contain one flagellum
b- Bacteria contain 2 flagella
c- Bacteria without flagella
d- Bacteria with a tuft of flagella

150-__________ are essential for host cell attachment:
a- Flagella
b- Fimbria
c- Spores
d- Capsules

151- Irregular clusters of spherical cells:
a- Streptococcus
b- Staphylococcus
c- Lactobacillus
d- Escherichia

152- Clostridium Botulinum is:
a- Obligatory Aerobic Bacteria
b- Facultative Anaerobic Bacteria
c- Obligatory Anaerobic Bacteria
d- Micro- aerophilic Bacteria

153- Basophilic Bacteria grow well at:
a- pH 8.5 – 9.0
b- pH 7.2 – 7.4
c- pH 5.0 – 5.5
d- None of the above

154- Cells are divided at high & constant rate:
a- Decline Phase
b- Stationary Phase
c- Log Exponential Phase
d- Adaptation Phase

155- The dominant bacterial species in dental plaque are:
a- Coagulase Negative Staphylococci
b- Lactobacillus
c- Bacteroides
d- Streptococcus Sanguis

156- The spread of Pyogenic Bacteria in blood stream to different organs & produce multiple abscess is:
a- Septicemia
b- Bacteremia
c-Toxemia
d- Pyaemia
157- Inhibit the growth of micro organisms
a- Bacteriostatic
b- Bactericidal
c- Fungicidal
d- Germicidal

158- To sterilize fluid damaged by heat:
a- Gaseous Sterilization
b- Heat Sterilization
c- Filtration
d- Ionizing Radiation

159- For water disinfection we use:
a- Hydrogen peroxide
b- Formaldehyde
c- Chlorine
d- Hypochlorite compounds

160- Mechanism of action of penicillin:
a- Block peptidoglycan synthesis
b- Inhibit peptidyglycan cross – linking
c- inhibit folic acid pathway
d- inhibit protein synthesis

161- Sulfonamides:
a- inhibit cell wall synthesis
b- inhibit protein synthesis
c- inhibit DNA synthesis
d- inhibit folic acid pathway

162- Acetylase inactivates:
a- B – Lactam antibiotics
b- Aminoglycosides
c- Cloramphenicol
d- All of the above

163- Ringworm disease is caused by
a- Zygomycetes
b- Ascomycetes
c- Blastomycosis
d- None of the above

164- For wet – mount technique we add:
a- NaoH
b- K oH
c- H2 O2
d- All of the above

165- They are transmitted by arthropods
a- Chlamydia
b- Spirochetes
c- Mycoplasma
d- All of the above

166- In the past they were listed as large viruses
a- Richettsia
b- Mycoplasma
c- Chlamydia
d- None of the above

167- Bacteria multiply by:
a- Replication cycle
b- Simple binary fission
c- Sexual reproduction
d- All of the above

168- It protects bacteria from antibiotics
a- Capsule
b- Cell membrane
c- Flagella
d- Fimbria

169- Vibro cholera is:
a- Mono –trichous bacteria
b- Atrichous bacteria
c- Lopho-trichous bacteria
d- Peri-trichous bacteria

170- Short rods, motile by peritrichous flagella
a- Spirochaeta
b- Lactobacillus
c- Escherichia coli
d- Vibrio
171- To take up soluble DNA fragments derived from other, closely related species is:
a. Mutation
b. Transformation
c. Transduction
d. Conjugation

172- Tuberculosis are
a- micro-airophilic
b- Facultative anaerobic
c- Obligatory anaerobic
d- Obligatory aerobic

173- According to pH, Lactobacillus is
a- Neutrophlic bacteria
b- Acidophilic bacteria
c- Basophilic bacteria
d- None of the above

174- Bacteria without cell Wall
a- Chlamydia
b- Rickettsia
c- Mycoplasma
d.- Spirochetes

175- Brucella Melitensis is
a- Obligatory aerobic bacteria
b- Obligatory anaerobic bacteria
c- Facultative anaerobic bacteria
d- Micro-aerophilic bacteria

176- Pseudomonas aeroginosa is
a- Peri-trichous bacteria
b- Lopho-trichous bacteria
c- Amphi-trichous bacteria
d- Monotrichous bacteria

177- Genetic information of bacteria is carried on
a- Messenger RNA
b- Transfer RN|A
c- Tran****** RNA
d- Double – Stranded DNA
178- Thermophilic bacteria grow at
a- 60 – 80 °C
b- 0 - 20°C
c-. 37°C
d- 100 - 120°C

179- Acidophilic bacteria grow at
a- pH 7.2 – 7.4
b- pH 5.0 – 5.5
c- pH 8.5 – 9.0
d- None of the above

180- Mycoplasma is
a- Neutrophilic bacteria
b- Acidophilic bacteria
c- Basophilic bacteria
d- All of the above

181- It is the adaptation of bacteria to the fresh medium
a- Lag phase
b- Decline phase
c- Logarithmic Phase
d- Stationary phase

182- Bacteria which do not cause hemolysis is
a- Beta-Hemolytic
b- Alpha-Hemolytic
c- Gama Hemolytic
d- None of the above

183- Normal flora of Lower intestine are all of the following except:
a- Staphylococci
b- Diphtheroids
c- Shigella
d- Lactobacillus

184- Opportunistic pathogens are all of the following except:
a- Cause a disease when the host defense are suppressed.
b- Are normal flora of healthy body
c- Are greatly harmful
d- Do not invade the body or tissue.
185- For disinfection of mattresses :
a- Hot air oven
b- Autoclave
c- Ethylene Oxide
d- Hydrogen Peroxide

186- Pyschrophilic bacteria grow at:
a- 10٠°C
b- 6٠°C
c- 14°C
d- 37°C

187- Bacteria which contain chlorophyll
a- Heterotrophic bacteria
b- Autotrophic bacteria
c- Photosynthetic bacteria
d- All of the above

188- Tricophyton is one of
a- Yeast
b- Moulds
c- Dermatophyte
d- Dimorphic Fungi

189- Plastomyces is one of
a- Dermatophytes
b- Dimorphic Fungi
c- Yeast
d- Moulds

190- Color of gram negative bacteria is
a- Violet
b- Green
c- Red
d- Black



 |~   تـوقـيـع:  

الفيس بوك
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


تويتر

[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]




طرق جمع العينات الطبية ونقلها ومعالجتها

متوفر في جميع فروع مكتبات جرير والعبيكان

للاستفسار
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


  رد مع اقتباس
قديم 03-11-2010   رقم المشاركة : ( 6 )
مؤسس المنتدى


 
لوني المفضل : Cadetblue
رقم العضوية : 7
تاريخ التسجيل : Apr 2009
فترة الأقامة : 2007 يوم
أخر زيارة : منذ أسبوع واحد
المشاركات : 2,908 [ + ]
عدد النقاط : 69
 
 
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افتراضي



191- Acid Fast Bacteria
a- Salmonella
b- Shigella
c- M. Tuberculosis
d- E – Coli
192- Spherical or avoid cells occurring in chains
a- Staphylococci
b- Streptococci
c- Lactobacillus
d- Spiro chaeta

193- ……………… carries the genetic information
a- the envelope
b- the capsid
c- the nucleic acid
d- the prion

194- …………………… may be seen under light microscope
a- rota virus
b- influenza virus
c- herps virus
d- pox virus

195- viruses may be:
a- monomorphic
b- pleomorphic
c- dimorphic
d- all of the above

196- viral capside is formed of:
a- protein
b- glycogen
c- lipoprotein bilayer
d- glycoprotein

197- class III in Baltimor classification is:
a- double stranded DNA viruses
b- single stranded DNA viruses
c- double stranded RNA viruses
d- single stranded RNA viruses

198- Hierarchial virus classification system use the following characters except:
a- nature of nucleic acid
b- capside symmetry
c- diameter of viron & capside
d- virus molecular weight
199- in viral replication which is true:
a- penetration is the 1st step
b- assembly is the last step
c- relaease is the last step
d- all of the above

200- viron:
a- may be extracellular phase of virus
b- may be intracellular phase of virus
c- can grow and replicate
d- means “ virus – like “

201- pleomorphic viruses means :
a- virus which have constant shape
b- virus that may appear in 2 forms
c- virus that have not a constant morphology
d- virus that have spherical shape

202- vapor of gold is used in :
a- shadow casting technique
b- negative staining technique
c- positive staining technique
d- non of the above

203- direct diagnosis of virus :
a- ELISA Antibody
b- CFT
c- IFT
d- PCR virus

204- all of the following are required in cell culture except:
a- neutral PH
b- presence of buffer salts
c- presence of antibiotics
d- incubation at 20 C (( 30-37 C))

205- all of the following are diagnostic molecular biological technique except:
a- PCR
b- ELISA
c- nucleic acid hyperdization
d- DNA finger printing
206- PCR require all of the following except:
a- extracted DNA template
b- 2 specific primers
c- reation buffer
d- RNA polymerase

207- bacteriophage is :
a- virus that can be killed by antibiotic
b- virus that act like a bacteria
c- bacteria that act like a virus
d- virus that infect bacteria

208- all of the following viruses are transmitted by blood except:
a- HIV
b- HBV
c- HCV
d- herps virus

209-all of the following are RNA viruses except:
a- corona viridase
b- reoviridase
c- picorona viridase
d- pox viridase

210- penetration of naked virus is by :
a- fusion
b- endocytosis
c- translocation
d- all of the above

211- amniotic cavity inoculation is one type of virus culture in:
a- tissue wall
b- lab animals
c- embryonated egg
d- non of the above

212- …………….. is an invitro method amplification of a short sequence of target DNA
a- PCR
b- hyberdization
c- finger printing
d- all of the above

213- nucleic acid hyberdization means:
a- probe anneling or binding with it’s complementary
segment of NA
b- fragmentation of nucleic acid
c- amplification of nucleic acid
d- non of the above

214- DNA hyberdization is performed by:
a- primers
b- DNA labeled probe
c- restriction endonuclease
d- non of the above

215-PCR starts with :
a- annealing
b- denaturation of DNA
c-extension of primers
d- non of the above

216- ……………….. is a piece of DNA fragment of a particular gene that can bind specially with it’s complementary piece of DNA:
a- codon
b- probe
c- LCR
d- code

217- how many primers are used in PCR :
a- non
b- one
c- two
d- three

304-Lowenstein-Jensen media is used for the isolation for:
a- neisseria gonorrhea
b- mycobacterium tuberculosis
c- haemophilus influenza
d- staphylococcus aureus



305- Hekton-Enteric agar is the selective media for:
a- salmonella
b- streptococcus
c- staphylococcus
d- all of the above

306- the selective media for isolation of fungi is:
a- S-S agar
b- XLD agar
c- sabouraud glucose agar
d- Hekton-Enteric agar

307- gram positive rods with Chinese letter appearance:
a- mycobacterium tuberculosis
b- corynebacteria diphtheria
c- clostridium tetani
d- staphylococcus pneumonia

308- E lek test is done to diagnose :
a- streptococcus
b- staphylococcus aureus
c- clostridium tetani
d- corynebacteria diphtheria

309- all are lactose fermenter except:
a- E-COLI
b- proteus
c- klebsiella
d- enterobacter

310- produce pale colonies on MacConkey’s agar and have tendency to swarm on blood agar:
a- salmonella
b- shigella
c- klebsiella
d- proteus





311- lactose frementer gram negative bacilli with mucoid growth:
a- salmonella
b- shigella
c- klebsiella
d- proteus

312-non lactose fermenter gram negative bacilli produce H2S :
a- salmonella
b- shigella
c- klebsiella
d- proteus

313- Widal test is done for diagnosis of :
a- salmonella
b- shigella
c- E-coli
d- klebsiella

314- the causative agent of enteric fever:
a- salmonella
b- shigella
c- klebsiella
d- proteus

315- the most common cause of urinary tract infection :
a- E-coli
b- salmonella
c- shigella
d- streptococcus

316- an important cause of diarrhea in infant:
a- staphylococcus
b- E-coli
c- salmonella
d- shigella

317- the most common causative agent for peptic ulcer :
a- campylobacter
b- H-pylori
c- V-cholera
d- all of the above
318- TCBS is the selective media for isolation of:
a- H-pylori
b- V-cholera
c- E-coli
d- H influenza

319- gram negative bacilli strict aerobes grows on simple media producing a characteristic greenish pigment:
a- campylobacter
b- pseudomonas
c- pasterulla
d- bordetella

320- the bacteria which cause scarlet fever:
a- staphylococcus
b- streptococcus
c- salmonella
d- shigella

321- antistreptolysin O titer (ASO) is done for the diagnosis of:
a- group A streptococcus
b- group B streptococcus
c- staphylococcus aureus
d- staphylococcus albus

323- Loffler’s serum is used for isolation of:
a- anthrax
b- clostridium
c- diphtheria
d- T.B

324- gas gangrene is caused by:
a- clostridium tetani
b- clostridium botulinum
c- clostridium welchii
d- non of the above (( clostridium perfinges ))

325- Bacillary dysentery is caused by:
a- salmonella
b- shigella
c- cholera
d- all of the above

326- the cause of plague:
a- Y-enterocolitica
b- Y-pestis
c- Y pseudotuberculsois
d- non of the above

327- treponema palladium is the cause of :
a- T.B
b- gonorrhea
c- syphilis
d- AIDS

328- the venereal disease research laboratory test (VDRL) is done for diagnosis of:
a- T.B
b- gonorrhea
c- syphilis
d- AIDS

329- Trachoma is caused by:
a- mycoplasma
b- chlamydiae
c-richettsia
d- mycobacteria

391- M-tuberculsis bacilli stain with :
a- gram stain
b- Zheil Nelson stain
c- Gimesa stain
d- all of the above

392- AIDS is transmitted through :
a- food
b- blood
c- semen
d- (b) & (c)



 |~   تـوقـيـع:  

الفيس بوك
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


تويتر

[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]




طرق جمع العينات الطبية ونقلها ومعالجتها

متوفر في جميع فروع مكتبات جرير والعبيكان

للاستفسار
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


  رد مع اقتباس
قديم 03-11-2010   رقم المشاركة : ( 7 )
مؤسس المنتدى


 
لوني المفضل : Cadetblue
رقم العضوية : 7
تاريخ التسجيل : Apr 2009
فترة الأقامة : 2007 يوم
أخر زيارة : منذ أسبوع واحد
المشاركات : 2,908 [ + ]
عدد النقاط : 69
 
 
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افتراضي



393- bacteria which cause syphilis:
a- Neisseria gonorrhea
b- Viencent angina
c- Treponema palladium
d- Yersinia pestis

394- to diagnose syphilis:
a- RPR
b- VDRL
c- Wasserman
d- all of the above

395- streptococci secret:
a- streptolysin O
b- streptolysin S
c- streptokinase
d- all of the above

396- disease caused by streptococci:
a- scarlet fever
b- purperal sepsis
c- rheumatic fever
d- all of the above

397- staphylococci secrets:
a- coagulase enzyme
b- fibrinolysin
c- hyaluronidase
d- all of the above

398- gram positive bacilli:
a- Klebsilla
b- Salmonella
c- Proteus
d- C-diphtheria

399- meningeococcal meningitis is transmitted by :
a- food
b- droplet
c- touch
d- all of the above

400- dark field microscopy is used to diagnose :
a- T.B.
b- syphilis
c- gonorrhea
d- AIDS

401- it cause food poisining with flacid paralysis:
a- clostridium tetani
b- clostridium welchii
c- clostridium botulinium
d- all of the above

402- the infective stage of plasmodium vivax :
a-merozoites
b- sporozoites
c- schizont
d- trophozoite

403- Pirenella conica snail is the intermediate host of:
a- schistosoma haematobium
b- fasciola hiptica
c- heterphyes heterophyes
d- diphyllobothrium latum

404- Bulinus truncates snail is the intermediate host of :
a- fasciola hepatica
b- fasciola gigantica
c- schistosoma haematobium
d- schistosoma mansonii

405- to isolate meningiococci we have to culture the sample on:
a- Bordet Gengou
b- modified Thayer martin media
c- Lowenstein Jensen media
d- all of the above

406- to isolate fungi :
a- Brain-Heart infusion media
b- tissue culture
c- Lowenstein –Jensen media
d- chocolate agar

407- to isolate H- influenza:
a- blood agar
b- chocolate agar
c- mac Conkey media
d- all of the above

408- the bacteria which cause pseudomembrainous conjunctivitis :
a- N.gonorrhea
b- C. diphtheria
c- staphylococcus
d- Chlamydia

409- the best sample to diagnose meningitis :
a- blood
b- sputum
c- CSF
d- urine

410- used to stain Chlamydia
a- gram stain
b- giemsa stain
c- wright stain
d- all of the above
411-……….. is used as transport medium for sample in which cholera is suspected
a- Cary-Blair media
b- Stuart media
c- Alkaline peptone water
d- glycerol

412- the color of XLD medium:
a- green
b- red
c- yellow
d- blue

413- CIN medium is used to isolate:
a- E.coli
b- Vibrio cholera
c- yersinia
d- salmonella

414- to make wet mount preparation:
a- 10 % KOH
b- 10 % Na OH
c- 10 % Na CO3
d- 10% Na Cl

415- we do wet mount preparation for vaginal smear To diagnose:
a- T.vaginalis
b- N.gonorrhea
c- streptococci
d- staphylococci

416- to isolate viruses:
a- Loeffler media
b- tissue culture
c- Bordet –Gengou media
d- Brain- Heart infusion

417- to diagnose whooping cough :
a- Bordet –Gengou media
b- Lowenstein –Jensen media
c- modified Thayer martin media
d- New York city agar

418- to diagnose systemic infection we do :
a- urine culture
b- CSF culture
c- blood culture
d- sputum culture

419- we give no growth for blood culture after:
a- 1 week
b- 8 weeks
c- 6 weeks
d- 3 weeks





420- to dissolve mucous in sputum sample :
a- 10% NaOH
b- 30 % NaOH
c- 10 % KOH
d- 10% NaCl

421- mutualism means:
a- one partener benefits , other unaffected
b- both partner benefit
c- one partner benefit , other damaged
d- living together

422- Commensalisms means:
a- living together
b- one partner benefit , other damaged
c- both partner benefit
d- one partner benefits , other unaffected

423- Balantidium coli moves by:
a- flagella
b- cilia
d- pseudopod
d- all of the above

424- Mouth inhabitant:
a- Trichomonas hominis
b- Trichomonas tenax
c- Trichomonas vaginalis
d- giardia lamblia

425- Transmitted by sexual intercourse:
a- toxoplasma
b- giardia lamblia
c- Trichomonas vaginalis
d- all of the above

465- citrate utilization test is done to assist identification of:
a- gram +ve bacteria
b- gram –ve bacteria
c- entrobacteria
d- enterococcus

466- the Kovac's reagent used in the following biochemical tests:
a- catalase
b- coagulase
c- indole
d- methyl red

467- positive results for H2S production appear as …. Colour:
a- black
c- yellow
c- red
d- green

468-………. Give positive coagulase test:
a- streptococci
b- staphylococcus aureus
c- staphylococcus saprophyticus
d- Escherichia coli

469- methyl red test is performed with:
a- Erlich reagent
b- Kovac's reagent
c- Voges proskaur
d- non of the above

470- ………… give positive result with urease test:
a- salmonella
b- shigella
c- Y. enterocolitica
d- all of the above

471-…………. test is used to differentiate between bacteroides & brucella:
a- indole
b- methyl red
c- H2S production
d- nitrate reduction

472- DNAase test is positive with:
a- streptococcus pneumonia
b- E.coli
c- staphylococcus aureus
d- staphylococcus epidermis

473- ………… solution used in the gram stain technique acts as a mordant:
a- crystal violet
b- safranine
c- iodine
d- alcohol

474- the counter stain in Ziehl- Neelson stain is :
a- malachite green
b- methylene blue
c- iodine
d- (a) & (b)

475- bile solubility test is positive with :
a- streptococcus viridans
b- streptococcus pneumonia
c- streptococcus agalectiae
d- streptococcus pyrogenes



 |~   تـوقـيـع:  

الفيس بوك
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


تويتر

[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]




طرق جمع العينات الطبية ونقلها ومعالجتها

متوفر في جميع فروع مكتبات جرير والعبيكان

للاستفسار
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


  رد مع اقتباس
قديم 03-11-2010   رقم المشاركة : ( 8 )
مؤسس المنتدى


 
لوني المفضل : Cadetblue
رقم العضوية : 7
تاريخ التسجيل : Apr 2009
فترة الأقامة : 2007 يوم
أخر زيارة : منذ أسبوع واحد
المشاركات : 2,908 [ + ]
عدد النقاط : 69
 
 
 الأوسمة و جوائز
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 اخر مواضيع العضو

ظل العيون غير متواجد حالياً

افتراضي



CHEMISTRY

330- ………….. are substance produced by specialized cells of the body and carried by blood stream where it affect other specialized cells:
a- vitamins
b- enzymes
c- isoenzyme
d- hormones

331- …………… is a protein which catalyse one or more specific biochemical reaction and not consumed during the reaction:
a- enzymes
b- hormones
c- vitamins
d- proteins

332- ………… is required in the hepatic synthesis of prothrombin and the blood clotting factors and it’s deficiency is observed in newborn infants:
a- vitamin E
b- vitamin A
c- vitamin K
d- vitamin D

333- there are enzymes that catalyze the same reaction but differ in there physical properties:
a- vitamins
b- adjuvents
c- isoenzyme
d- hormones

334- it’s functionis to maintain adequate serum level of calcium:
a- vitamin E
b- vitamin A
c- vitamin K
d- vitamin D




335-the inhibitor and substrate bind at different sites on the enzyme this type of inhibition is called:
a- competitive inhibition
b- non competitive inhibition
c- surface recognition
d- product concentration

336- ……….. found in cartilage consist of a core protein to which the linear carbohydrates chain are covalently attached:
a- glycoprotein
b- proteoglycan
c- link protein
d- hyaluronic acid

337- …………… is synthesized only by micro-organism , it’s not present in plants but present in liver , it’s deficiency leads to pernicious anemia:
a- vit C
b- vit B12
c-vit B1
d- vit B2

338- the brown color of the stool is due to the presence of:
a- urobilinogen
b- urobilin
c- porphyrin
d- bilirubin

339- the degradation of heme takes place in the …………. particularly in the liver and spleen
a- reticulocytes
b- erythrocytes
c- reticuloendothelial cells
d- non of the above

340- increased Hb destruction , the liver is unable to cup the greater load of pigment and bilirubin level well rises this is called :
a- hepatogenous jaundice
b- hemolytic jaundice
c- obstructive jaundice
d- non of the above

341- ………… plays a role in visual cycle it’s deficiency leads to night blindness, β-carotene is the major precursor of this vitamin in human:
a- vitamin E
b- vitamin A
c- vitamin K
d- vitamin D

342- a large percentage of the ……….. requirement in humans is supplied by intestinal bacteria:
a- biotin
b- niacin
c- folic acid
d- thiamin

343- ………….. are organic compounds required by the body in trace amount , can’t be synthesized by humans , but supplied by diet:
a- enzymes
b- vitamins
c- hormones
d- proteins

344- it facilitate the absorption of iron by reducing it to ferrus state in the stomach and it’s deficiency result in scurvy:
a- vit C
b- vit B
c- vit D
d- vit A



 |~   تـوقـيـع:  

الفيس بوك
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


تويتر

[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]




طرق جمع العينات الطبية ونقلها ومعالجتها

متوفر في جميع فروع مكتبات جرير والعبيكان

للاستفسار
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


  رد مع اقتباس
قديم 03-11-2010   رقم المشاركة : ( 9 )
مؤسس المنتدى


 
لوني المفضل : Cadetblue
رقم العضوية : 7
تاريخ التسجيل : Apr 2009
فترة الأقامة : 2007 يوم
أخر زيارة : منذ أسبوع واحد
المشاركات : 2,908 [ + ]
عدد النقاط : 69
 
 
 الأوسمة و جوائز
 بينات الاتصال بالعضو
 اخر مواضيع العضو

ظل العيون غير متواجد حالياً

افتراضي



336- ……….. found in cartilage consist of a core protein to which the linear carbohydrates chain are covalently attached:
a- glycoprotein
b- proteoglycan
c- link protein
d- hyaluronic acid

337- …………… is synthesized only by micro-organism , it’s not present in plants but present in liver , it’s deficiency leads to pernicious anemia:
a- vit C
b- vit B12
c-vit B1
d- vit B2

338- the brown color of the stool is due to the presence of:
a- urobilinogen
b- urobilin
c- porphyrin
d- bilirubin

339- the degradation of heme takes place in the …………. particularly in the liver and spleen
a- reticulocytes
b- erythrocytes
c- reticuloendothelial cells
d- non of the above

340- increased Hb destruction , the liver is unable to cup the greater load of pigment and bilirubin level well rises this is called :
a- hepatogenous jaundice
b- hemolytic jaundice
c- obstructive jaundice
d- non of the above

341- ………… plays a role in visual cycle it’s deficiency leads to night blindness, β-carotene is the major precursor of this vitamin in human:
a- vitamin E
b- vitamin A
c- vitamin K
d- vitamin D

342- a large percentage of the ……….. requirement in humans is supplied by intestinal bacteria:
a- biotin
b- niacin
c- folic acid
d- thiamin

343- ………….. are organic compounds required by the body in trace amount , can’t be synthesized by humans , but supplied by diet:
a- enzymes
b- vitamins
c- hormones
d- proteins

344- it facilitate the absorption of iron by reducing it to ferrus state in the stomach and it’s deficiency result in scurvy:
a- vit C
b- vit B
c- vit D
d- vit A



 |~   تـوقـيـع:  

الفيس بوك
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


تويتر

[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]




طرق جمع العينات الطبية ونقلها ومعالجتها

متوفر في جميع فروع مكتبات جرير والعبيكان

للاستفسار
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


  رد مع اقتباس
قديم 03-11-2010   رقم المشاركة : ( 10 )
مؤسس المنتدى


 
لوني المفضل : Cadetblue
رقم العضوية : 7
تاريخ التسجيل : Apr 2009
فترة الأقامة : 2007 يوم
أخر زيارة : منذ أسبوع واحد
المشاركات : 2,908 [ + ]
عدد النقاط : 69
 
 
 الأوسمة و جوائز
 بينات الاتصال بالعضو
 اخر مواضيع العضو

ظل العيون غير متواجد حالياً

افتراضي



345- it’s function is to transport oxygen from the lung to the tissue:
a- haptoglobin
b- hemoglobin
c- bilirubin
d- myoglobin





346- ………….. act as an antioxidant and it’s deficiency cause liver degeneration:
a- vit E
b- vit A
c- vit K
d- vit D

347- it’s caused by liver parenchyma damage , the excretion of bile greatly decreased and the concentration of bilirubin in the blood rise :
a- hemolytic jaundice
b- hepatogenous jaundice
c- obstructive jaundice
d- non of the above

348- ……… play an essential role in body metabolism , a deficiency or excess may lead to serious dearrangement of body function:
a- enzymes
b- hormones
c- vitamins
d- isoenzymes

349- …………. will interfere with the chemical determination of bilirubin , giving high variable results:
a- hemolysis
b- hemoglobin
c- vitamins
d- hormones

350- in hemolytic jaundice there will be increase ……………. in serum:
a- direct bilirubin
b- indirect bilirubin
c- total bilirubin
d- all of the above




351- the inhibitor binds reversibly to the same site on the enzyme that the substrate normally occupy , this type of inhibition is called :
a- competitive inhibition
b- non competitive inhibition
c- surface recognition
d- product concentration

352- regulation of blood glucose level can be achieved by :
a- hormonal mechanism
b- hepatic and renal mechanism
c- (a) & (b)
d- non of the above

353- insulin is a hormone secretes by :
a- α cell of islet of langerhans in pancreas
b- β cell of islet of langerhans in pancreas
c- suprarenal cortex
d- non of the above

354- cholesterol is a component of all cell membrane and it’s the precursor of :
a- bile acid
b- steroid hormones
c- vit D
d- all of the above

355- anti diuretic hormone ( ADH) secretion is controlled by:
a- rennin angiotensin
b- plasma osmlality
c- (a) & (b)
d- non of the above

356- the electrophoresis is based on differential migration of :
a- charged particles
b- uncharged particles
c- molecular weight
d- (a) & (b)




357- acid base balance is regulated by :
a- oxygen concentration
b- hydrogen ion concentration
c- nitrogen ion concentration
d- (a) & (b)

358- it’s an increase in hydrogen ion concentration of the blood:
a- acidosis
b- alkalosis
c- acid base balance
d- (a) & (b



 |~   تـوقـيـع:  

الفيس بوك
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


تويتر

[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]




طرق جمع العينات الطبية ونقلها ومعالجتها

متوفر في جميع فروع مكتبات جرير والعبيكان

للاستفسار
[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]


  رد مع اقتباس
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