Vitamins are essential because they:
a. help facilitate significant body processes.
b. are produced in the body.
c. provide kcalories.
d. provide energy.
a
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The doctor has recently told Julie that she is anemic and has prescribed an iron supplement. The doctor has advised Julie to increase her body's absorption of the iron by taking the supplement with
A) a glass of water. B) a glass of milk. C) a glass of orange juice. D) a tablespoon of castor oil.
Which of the following foods is the best source for Vitamin B12?
A. Spinach B. Lentils C. pork D. Brown rice
Which of the following is a function of protein?
A. Medium for chemical reactions in the cell B. Synthesis of enzymes and hormones C. The body's preferred source of energy D. Absorption of vitamins A, D, E, and K
The primary intracellular cation that has a significant role in maintaining fluid and electrolyte balance is:
a. calcium. b. magnesium. c. potassium. d. sodium.