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L1, introduction to blood, physiology

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 L1, introduction to blood, physiology




MCQ

1.The blood volume measures: 

A-About 22% of the body weight. 

B - 80 ml/Kg of the body weight. 

C-2.2 litre/ of body surface area. D-Non of the above. 

E - All of the above.

2.The plasma constitutes: 

A-55-60% of the total blood volume. 

B-40-45% of the total blood volume. 

C-65-70% of the total blood volume. 

D-Non of the above. 

E-All of the above.

3. The plasma albumin constitutes: A-3.5-5.0 gm% of plasma proteins

B-2.3-3.5 gm% of plasma proteins. 

C-6-8 gm % cf plasma proteins. 

D-Non of the above. 

E-All of the above.

4. All plasma proteins are synthesized in the liver except:

A-Fibrinogen. 

B-Albumin. 

C-y globulin. 

D-Non of the above. 

E-All of the above.

5. Albumin/Globulin ratio (A/G):

A-Increases in congenital agammaglobulinemia.

B-Decreases in liver cirrhosis.

C-1.2-1.6.

D-All of the above.

E -Non of the above.   

6. The osmotic function of plasma proteins: 

A-Caused mainly by fibrinogen. 

B-Caused mainly by prothrombin. 

C-Caused mainly by albumin. 

D-Non of the above. 

E-All of the above.

7.Plasma proteins are responsible for: 

A-75% of the buffering power of the blood. 

B-15% of the buffering power of the blood. 

C-5% of the buffering power of the blood. 

D-Non of the above. 

E-All of the above.

8. Defensive function of plasma proteins

A-Caused mainly by fibrinogen. 

B-Caused mainly by prothrombin. 

C-Caused mainly by Gamma globulins. 

D-Non of the above.

E-All of the above.

9. Clotting function of the blood: 

A-Caused by fibrinogen. 

B-Caused by prothrombin. 

C-Caused by calcium. 

D-All of the above. 

E-Non of the above.

10. Blood viscosity: 

A-Caused by fibrinogen. 

B - Caused mainly by RBC’s

C – A&B

D-Non of the above


Answer

1-B,    2-A,     3-A ,     4-C ,      5-D 

6-C.     7-B.     8-C.      9-D.       10-D

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