homework

homework

1. Hemolytic anemia of the newborn is due to deficiency of _______ which leaves the red blood cell membranes sensitive to damage from oxidation.
A. vitamin A
B. vitamin D
C. vitamin E
D. vitamin K
E. folacin

2. The developing bones of a child fail to increase their content of calcium and phosphorus. The resulting leg bones will not support the weight of a child without bowing. What is this condition called?
A. osteoporosis
B. osteomalasia
C. rickets
D. tetany

3. Which of these vitamins is most likely to be toxic if taken in excessive amounts?
A. vitamin C
B. thiamin
C. vitamin A
D. beta-carotene

4. The net total effect of vitamin D's separate actions on its target tissues is to:
A. lower blood calcium
B. increase levels of electrolytes
C. increase blood calcium, which is then deposited in the bone
D. increase calcium absorption and excretion in the urine

5. As a hormone, vitamin D has three (3) target tissues. Which are they?
A. kidney, small intestine, bone
B. heart, blood, bone marrow
C. kidney, liver, brain
D. small intestine, liver, fat cells

6. Dietary antioxidants are:
A. vitamin E and iron
B. vitamin E, B-carotene and selenium
C. B-carotene and iodine
D. vitamin D, calcium and phosphorus

7. Some of our vitamin K requirement is met by:
A. synthesis of the vitamin by intestinal bacteria
B. synthesis of the vitamin from sunlight
C. synthesis of the vitamin from carotene
D. fortification of milk

8. The answers to the question(s) that follow may be used once, more than once, or not at all. Choose the vitamin from the list below that is best described by the phrase given in each question.
Helps regulate blood levels of calcium
A. vitamin A
B. vitamin E
C. vitamin D
D. vitamin K
E. vitamin B12

9. The answers to the question(s) that follow may be used once, more than once, or not at all. Choose the vitamin from the list below that is best described by the phrase given in each question.
Necessary for the...

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