MULTIPLE CHOICE

1.Which of the following is a key nutrient in blood?

a.water

b.sugar

c.fibre

d.protein

2.Which of the following percentages makes up plasma in the blood?

a.40

b.45

c.50

d.55

3.Approximately how long does it take to circulate blood from the heart through the body                                           and back to the heart?

a.1/2 a minute

b.1 minute

c.1 1/2 minutes

d.2 minutes

4.About how much iron is absorbed from a vegetarian diet compared with an omnivorous diet?

a.the same

b.one-half as much

c.twice as much

d.three times as much

5.Which of the following percentages makes up leukocytes in the blood?

a.1 percent

b.2 percent

c.3 percent

d.4 percent

6.What is prothrombin?

a.a storage protein for vitamin K

b.a transport protein for vitamin E

c.a protein needed for bone formation

d.a protein needed for blood clot formation

7.Which of the following is known to require vitamin K for its synthesis?

a.albumin

b.GI mucosa

c.prothrombin

d.mucopolysaccharides

8.In what chief capacity does vitamin K function?

a.blood clotting

b.energy metabolism

c.calcium utilization

d.epithelial tissue renewal

9.Other than blood clotting, which of the following is a major function of vitamin K?

a.It participates in synthesis of bone proteins.

b.It participates in blood circulation.

c.It participates in oxygen transportation.

d.It participates in thyroid regulation.

10.Which of the following conditions occurs with a deficiency of vitamin K?

a.GI distress

b.Fatigue

c.Hemorrhaging

d.Liver damage