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.
e. maintain muscle health and function.
Q. 2Which of the following is a feature of potassium supplements?
a. Can cause toxicity
b. Should always be taken with diuretics
c. Necessary in treatment of low blood pressure
d. Absorption of the mineral decreases markedly as intake increases
e. Are important to take during pregnancy
Q. 3Which of the following people are at known risk for potassium depletion?
a. Athletes who are body-builders
b. Construction workers in cold climates
c. Those who ingest low amounts of fresh fruits/vegetables
d. Those who consume insufficient amounts of salted foods
e. Women with heavy menstrual periods
Q. 4Which of the following is a symptom of potassium deficiency?
a. Extreme thirst
b. Muscle weakness
c. Profound sweating
d. Lowered blood pressure
e. Hypoglycemia
Q. 5What adverse response is known to occur in people who drink copious amounts of water while participating in intense physical activity?
a. Dehydration
b. Hyponatremia
c. Metabolic alkalosis
d. Elevated blood sodium
e. Ketoacidosis
Q. 6Which of the following is a feature of potassium?
a. Its levels are unrelated to blood pressure.
b. Liberal intakes may correct hypertension.
c. Major dietary sources are processed foods.
d. Deficiencies are usually the result of deficient intakes.
e. It is present at high levels in cheddar cheese.
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