Question

1.Keshan disease is caused by ________ deficiency.

zinc

beta-carotene

selenium

vitamin E

2.Nutritional factors that may be protective against cancer include:

coffee.

food additives.

phytonutrients.

nitrates.

3.Which of the following fruits is likely to be the best source of vitamin A?

cantaloupe

cherries

grapes

strawberries

4.What is the function of aldosterone?

signals the kidneys to release sodium and chloride

signals the kidneys to retain sodium and chloride

stimulates the kidneys to filter out more water (increasing urine output)

stimulates the kidneys to reabsorb water (reducing urine output)

5.What is the function of ADH?

stimulates the kidneys to reabsorb water (reducing urine output)

signals the kidneys to release sodium and chloride

stimulates the kidneys to filter out more water (increasing urine output)

signals the kidneys to retain sodium and chloride

6.Which organ is primarily responsible for maintaining fluid balance?

small intestine

pancreas

liver

kidneys

7.What is the primary reason we sweat?

to excrete waste products

to maintain sodium balance

to regulate body temperature

to maintain blood volume

8.The ability of a muscle to contract and relax is dependent on the flow of ________ in and out of the muscle cell.

iron

calcium

chloride

phosphorus

9.Which vitamin can have toxic effects in large doses?

Vitamin E

zinc

Niacin

Thiamin

10.Why is hypertension often referred to as "the silent killer"?

The symptoms of this condition are not obvious (it is asymptomatic).

There are no effective treatments for this condition.

Many individuals are embarrassed and don't like to admit they have this condition.

Physicians are just beginning to realize the consequences of this condition.