238 Sample Questions
 

Given the following equation:

H+ + HCO3------> H2CO3 -----> H2O + CO2

1. The equation as written would occur in:

(A) the lungs, (B) the systemic tissues.

 

2. As a result of this reaction the blood pH would:

(A) increase slightly, (B) decrease slightly, (C) remain unchanged.

 

3, 4. The enzyme (3) which is present in (4) is necessary for this reaction to occur.

Choices for #3: (A) carboxyhemoglobin, (B) renin, (C) plasmin,

(D) carbonic anhydrase,

Choices for #4: (E) neutrophils, (F) erythrocytes, (G) macrophages, (H) thrombocytes.

5 through 9 Matching: Use each answer only once.

(A) carbaminohemoglobin, (B) bilirubin, (C) globulin, (D) albumin, (E) ferritin.

5. Protein secreted by lymphocyte plasma cells,

6. Specifically stores iron in liver, bone marrow, etc.

7. Transport for carbon dioxide.

8. Breakdown product of the heme group porphyrin ring.

9. The major cause of the plasma's osmolarity.

Questions 10 through 15 use the following choices:

(A) globin, (B) coumadin, (C) heparin, (D) anti-thrombin III, (E) Vitamin K, (F) Vitamin B12,  (G) prothrombin, (H) thrombin, (I) thromboxane, (J) tissue thromboplastin.

10, 11, 12. The substance (10) competes with (11) in the liver to reduce synthesis of the precursor clotting protein (12) .

13, 14, 15. The substance (13) removes small amounts of (14) from the blood to prevent abnormal clotting and its action is enhanced by (15) .

16. Severe damage to the stomach lining might lead to an insufficiency of which causes a deficiency of Vitamin B12.

(A) intrinsic factor, (B) transferrin, (C) apotransferrin, (D) plasmin.

17 through 19 Matching: Answers may be used more than once or not at all.

(1) lymphocyte, (2) monocyte, (3) neutrophil, (4) eosinophil, (5) basophil.

17. These become tissue macrophages: (A) 1,     (B) 2 ,    (C) 3 ,    (D) 4,    (E) 5.

18. These are agranulocytes: (A) 1 and 2, (B) 2 and 3, (C) 2 and 4, (D) 2 and 5, (E) 4 and 5.

19. The primary function of these cells is phagocytosis:

(A) 1 and 2, (B) 2 and 3, (C) 2 and 4, (D) 2 and 5, (E) 4 and 5.

20. The increased release of erythropoietin is triggered by:

(A) low blood oxygen.

(B) high blood carbon dioxide.

(C) low blood pH,

(D) any of the above,

(E) B and C only.

21. The receptor organ for the above stimulus (#20) is in the:

(A) red marrow, (B) hypothalamus, (C) kidney, (D) spleen.

 

22. The difference between serum and plasma is that serum does not contain:

(A) albumen, (B) globulins, (C) fibrinogens, (D) electrolytes.

 

23. The extrinsic clotting pathway is triggered by:

(A) thromboplastin, (B) keratin, (C) collagen, (D) thromboxane.

 

24. A protein produced by the liver important in blood clotting:

(A) globulin, (B) albumen, (C) prothrombin, (D) globin, (E) coumadin.

25. The protein responsible for storing iron in the liver is a type of:

(A) globulin, (B) albumen, (C) prothrombin, (D) globin, (E) coumadin.

26. Vitamin K stimulates the production of.

(A) globulin, (B) albumen, (C) prothrombin, (D) globin, (E) coumadin.


27. The is/are a stage of hemostasis not directly associated with formation of a clot:

(A) fibrin threads, (B) a platelet plug, (C) vascular spasm, (D) all of these.

28. Ruptured endothelial cells initiate clotting by exposure of the blood to:

(A) thrombin, (B) keratin, (C) collagen, (D) thromboxane.