Chapter 12 Blood

Chapter 12: Blood


MULTIPLE CHOICE

1. Plasma
a. consists of blood without the blood cells and clotting factors
b. carries almost all of the food to the cells
c. carries almost all of the oxygen to the cells
d. all of the above
ANS: B DIF: Memorization REF: p. 264
OBJ: 2 TOP: Blood plasma

2. Plasma contains
a. digested food
b. metabolic waste products
c. proteins
d. all of the above
ANS: D DIF: Memorization REF: p. 264
OBJ: 2 TOP: Blood plasma

3. Serum
a. is made from blood plasma
b. contains fibrinogen
c. has no antibodies
d. all of the above
ANS: A DIF: Memorization REF: p. 265
OBJ: 2 TOP: Blood plasma

4. The function of albumin is to
a. assist in the formation of a blood clot
b. thicken the blood
c. act as an enzyme for the breakdown of carbonic acid
d. assist in the fighting of infection
ANS: B DIF: Memorization REF: p. 265
OBJ: 2 TOP: Blood plasma

5. Globulins
a. assist in the formation of a blood clot
b. thicken the blood
c. assist in fighting infection
d. none of the above
ANS: C DIF: Memorization REF: p. 264
OBJ: 2 TOP: Blood plasma

6. The approximate number of red blood cells in a cubic millimeter of blood is
a. 50,000
b. 500,000

, c. 5,000,000
d. 50,000,000
ANS: C DIF: Memorization REF: p. 265
OBJ: 3 TOP: Formed elements

7. The approximate number of white blood cells in a cubic millimeter of blood is
a. 7500
b. 75,000
c. 750,000
d. 7,500,000
ANS: A DIF: Memorization REF: p. 265
OBJ: 3 TOP: Formed elements

8. The approximate number of platelets in a cubic millimeter of blood is
a. 30,000
b. 300,000
c. 3,000,000
d. 30,000,000
ANS: B DIF: Memorization REF: p. 265
OBJ: 3 TOP: Formed elements

9. Myeloid tissue is
a. also called lymphoid tissue
b. also called red bone marrow
c. important in the formation of blood cells
d. both b and c above
ANS: D DIF: Memorization REF: p. 265
OBJ: 3 TOP: Formed elements

10. Red bone marrow is found in greatest amounts in the
a. sternum and hipbone
b. clavicle and vertebrae
c. femur and tibia
d. humerus and ulna
ANS: A DIF: Memorization REF: p. 265
OBJ: 3 TOP: Formed elements

11. The blood cells with the longest circulating life span are the
a. red blood cells
b. granular white blood cells
c. nongranular white blood cells
d. both b and c have equal life spans
ANS: C DIF: Memorization REF: p. 265
OBJ: 3 TOP: Formed elements

12. The red blood cell
a. has no nucleus

, b. is spherical in shape to increase its surface area
c. is important in carrying metabolic waste to the kidney
d. all of the above

ANS: A DIF: Memorization REF: p. 266
OBJ: 4 TOP: Red blood cells

13. The red blood cell
a. assists in transporting carbon dioxide to the lungs
b. contains hemoglobin to carry oxygen
c. has a unique shape to increase its surface area
d. all of the above
ANS: D DIF: Memorization REF: p. 266
OBJ: 4 TOP: Red blood cells

14. Polycythemia can be caused by
a. too few red blood cells
b. too little hemoglobin in the blood cells
c. too many red blood cells being made
d. both a and b above
ANS: C DIF: Memorization REF: p. 268
OBJ: 4 TOP: Anemia

15. Anemia can be caused by
a. too few red blood cells
b. too little hemoglobin in the blood cells
c. too many red blood cells being made
d. both a and b above
ANS: D DIF: Memorization REF: p. 267
OBJ: 4 TOP: Anemia

16. Pernicious anemia is caused by
a. severe hemorrhage
b. lack of vitamin B12
c. an insufficient amount of iron in the diet
d. radiation or chemical damage to bone marrow
ANS: B DIF: Memorization REF: p. 268
OBJ: 4 TOP: Anemia

17. Which of the following describes the layering, in order from top to bottom, of a test tube of
blood that has been ―spun downǁ in a centrifuge?
a. Plasma, red blood cells, buffy coat
b. Buffy coat, plasma, red blood cells
c. Plasma, buffy coat, red blood cells
d. Red blood cells, buffy coat, plasma
ANS: C DIF: Memorization REF: p. 267
OBJ: 4 TOP: Hematocrit test