Blood

1. Which of the following is NOT a major function of the blood?

Production of oxygen

2. Which of the following is NOT a true statement regarding blood?

Hemocytoblasts are a common component of circulating blood.

4. What percentage of blood plasma is water?

91.5%

3. The hematocrit is a measure of the percentage of whole blood occupied by

RBCs

5. Which of the following plasma proteins plays a role in disease resistance?

Globulins

6. Which of the following plasma proteins plays a role in blood clotting?

Fibrinogen

7. The process by which the formed elements of the blood develop is called

hemopoiesis

8. A megakaryoblast will develop into

a platelet

9. During hemopoiesis, some of the myeloid stem cells will eventually develop into

proerythroblasts

10. Which of the following hormones stimulates proliferation of red blood cells in red bone marrow?

erythropoietin (EPO)

11. Approximately, how many hemoglobin molecules are found in each RBC?

280 million

12. Ferritin is a protein used to

store iron in the liver

13. The major function of red blood cells is

gas transport

14. Towards the end of erythropoiesis in the bone marrow, a red blood cell loses its nucleus and becomes a

reticulocyte

15. Which of the following blood cells is a phagocyte?

Neutrophil

16. Which of the following blood cells is involved in reducing blood loss from a damaged blood vessel?

Platelet

17. Which of the following blood cells release granules that intensify the inflammatory response and promote hypersensitivity (allergic) reactions?

Basophil

18. Which of the following blood cells phagocytizes antigen-antibody complexes and are effective against parasitic worms?

Eosinophil

19. Which of the following blood cells are the main soldiers in the immune system defense of the body against microbial invaders?

Lymphocyte

20. Which of the following cells is NOT an agranular leukocyte?

Basophil

21. The process of a white blood cell squeezing between endothelial cells to exit a blood vessel is called

emigration

22. Which of the following chemical substances are NOT commonly released by mast cells?

Nitric oxide

23. Which of the following hormones stimulates the development of megakaryoblasts?

Thrombopoietin

24. Which of following correctly lists the sequence of steps that occur during hemostasis in response to a damaged blood vessel?

vascular spasm, platelet plug formatin, clotting

25. The intrinsic and extrinsic pathways of blood clotting are identical after formation of

prothrombinase

26. Which of the following situations could result in maternal antibodies attacking fetal blood cells during a second pregnancy?

Mom is Rh negative and fetus is Rh positive

27. Which of the following substances is an anticoagulant produced by mast cells and basophils?

Heparin

28. Which of the following antibodies would you find in the plasma of a person with type O blood?

thromboxane A2

29. What blood type is a person if their plasma contains only anti-A agglutinin?

B

31. Which of the following precursor cells eventually give rise to neutrophils?

Myeloblast

32. Which of the following precursor cells eventually give rise to the platelets?

Megakaryoblast

33. Which of the following formed elements found in the blood are derived from reticulocytes?

Erythrocytes

34. Which of the following precursor cells give rise to agranular leukocytes?

Lymphoblast

35. Which of the following precursor cells give rise to granular leukocytes?

Myeloblast

36. Serum is

plasma without the clotting factors

37. Reduced vitamin B12 absorption from the small intestine due to reduced intrinsic factor production in the stomach results in condition called

pernicious anemia

38. Destruction of red bone marrow due to radiation results in

aplastic anemia

39. A condition in which inadequate intake of vitamin B12 or folic acid causes production of large abnormal red blood cells is called

megaloblastic anemia

40. Anemia is defined as

a condition in which the oxygen-carrying capacity of blood is reduced

41. The average life span of an erythrocyte in the circulation is

120 days

42. Which of the following are characteristics of BOTH erythrocytes and thromobocytes?

no nucleus

43. Which of the following formed elements in blood are removed by fixed macrophages in the spleen and liver after only 5 to 9 days in the circulation?

thrombocytes

44. If type A blood is infused into a patient with type O blood, which of the following adverse reactions would you expect to observe in the patient?

More than one of the answer selection is correct.

45. Which of the following blood types is a person whose blood cells were agglutinated by
both anti-A serum and anti-B serum, but not by anti-Rh serum?

AB negative