The potassium-to-sodium ratio of foods is affected by:

The potassium-to-sodium ratio of foods is affected by:
 a. prolonged storage.
  b. processing.
  c. cooking.
  d. washing.

Q. 2

Two natural compounds found in food that inhibit mineral absorption from the gastrointestinal tract are:
 a. amino acids and phytic acid.
  b. oxalic acid and polysaccharides.
  c. table salt and vitamin D.
  d. phytic acid and oxalic acid.
  e. pectin and vitamin C.

Q. 3

The absorption of iron is impaired by:
 a. heme.
  b. tannins.
  c. sodium.
  d. vitamin C.

Q. 4

All of the following are ways to reduce your risk of high blood pressure except:
 a. adopting a diet similar to the DASH diet.
  b. maintaining a normal weight.
  c. eating no more than 3,500 milligrams of sodium a day.
  d. exercising 60 minutes daily.
  e. drinking alcohol in moderation.

Q. 5

Almost all (99) of the calcium in the body is used to:
 a. provide energy for cells.
  b. provide rigidity for the bones and teeth.
  c. regulate the transmission of nerve impulses.
  d. maintain the blood level of calcium within very narrow limits.

Q. 6

Osteoporosis is more prevalent in women for all the following reasons except:
 a. Women typically exercise more than men.
  b. Women typically have lower calcium intakes than men.
  c. Pregnancy and lactation can decrease the calcium reserves in women.
  d. Women have accelerated bone loss at menopause.

Q. 7

Which food provides iron in the most absorbable form?
 a. Spinach
  b. Hamburger
  c. Rice
  d. Peas
  e. Iron-fortified baby cereal

Q. 8

Hypertension is:
 a. stress.
  b. plaque build-up in the arteries.
  c. high blood pressure.
  d. excessive muscular contraction.

Q. 9

Which statement does not describe a role of major minerals in the body?
 a. They give teeth and bone their rigidity and strength.
  b. They regulate body processes.
  c. They provide energy.
  d. They help maintain acid-base balance.