Please answer all questions.

1		In the body, iron is found:
			A)	in the liver.
			B)	in the blood.
			C)	in muscle tissue.
			D)	in every living cell.
2		The most common deficiency disease in the world is:
			A)	pernicious anemia.
			B)	iron deficiency anemia.
			C)	osteoporosis.
			D)	goiter.
3		The primary factor determining iron absorption is:
			A)	age.
			B)	gender.
			C)	amount of heme iron in the diet.
			D)	the body's need for iron.
4		Dietary deficiency of _______ is associated with retarded growth and inadequate sexual development in humans.
			A)	iron
			B)	copper
			C)	selenium
			D)	zinc
5		A deficiency of dietary iodide can cause a:
			A)	disease of the heart muscle.
			B)	goiter.
			C)	dental caries.
			D)	decreased tolerance to insulin.
6		Iron is rapidly depleted from the body during:
			A)	vigorous exercise.
			B)	high calcium intake.
			C)	weight loss.
			D)	blood loss.
7		Which of the following foods provides non-heme iron?
			A)	eggs
			B)	milk
			C)	vegetables
			D)	all the above
8		If an adult male is anemic, a cause physicians initially suspect is:
			A)	a bleeding ulcer.
			B)	cirrhosis of the liver.
			C)	a poor diet.
			D)	kidney disease.
9		The most reliable food source of zinc is:
			A)	meats and seafood.
			B)	orange juice.
			C)	dark green vegetables.
			D)	iodized salt.
10		Taste sensitivity has been shown to be altered in a(n) _______ deficiency.
			A)	iron
			B)	iodide
			C)	selenium
			D)	zinc
11		Which of the following is not associated with antioxidant systems?
			A)	thiamin
			B)	vitamin C
			C)	vitamin E
			D)	selenium
12		The fluoridation of public drinking water is:
			A)	responsible for a 40% to 60% reduction in dental caries in children.
			B)	more expensive than fluoride mouthwash.
			C)	not as effective as fluoridated toothpaste.
			D)	the typical cause of tooth mottling.
13		In humans, impaired glucose tolerance, elevated blood cholesterol and elevated blood triglycerides are associated with a dietary deficiency in:
			A)	iron.
			B)	manganese.
			C)	molybdenum.
			D)	chromium.
14		Water functions to:
			A)	regulate temperature.
			B)	participate in chemical reactions.
			C)	lubricate joints.
			D)	all of the above.
15		Most water is lost daily via:
			A)	the skin.
			B)	the lungs.
			C)	urine.
			D)	feces.
16		There are times when the thirst mechanism is not reliable. Which of the following is not one of those?
			A)	vigorous exercise
			B)	excessive sodium intake
			C)	illness (especially in children)
			D)	older adult years
17		The sodium content of the diet of most North Americans is _______ of the amount needed in the body.
			A)	slightly in excess
			B)	only a small percentage
			C)	equal
			D)	much in excess
18		Which hormone is most important in maintaining sodium balance in the body?
			A)	insulin
			B)	glucagon
			C)	aldosterone
			D)	calcitonin
19		Significant food sources of potassium do not include:
			A)	orange juice.
			B)	dried fruits.
			C)	bananas.
			D)	cheese.
20		Chloride:
			A)	is the body's principal intracellular positive electrolyte.
			B)	is necessary to bind calcium ions.
			C)	protects bone structures against decalcification.
			D)	helps maintain gastric acidity.
21		Calcium is used in the body for:
			A)	enzyme regulation in cells.
			B)	excitability of nerves and muscles.
			C)	blood coagulation.
			D)	all of the above.
22		Which of the following factors below does not explain the high incidence of osteoporosis in postmenopausal women?
			A)	Women have higher intakes of calcium than men.
			B)	Women are living longer today.
			C)	Weight reduction diets are common among women.
			D)	Reduction of estrogen production after menopause leads to bone
23		Most of the dietary phosphorus for North Americans comes from:
			A)	fruits and vegetables.
			B)	dairy products and meat.
			C)	whole grains.
			D)	sugar and fat.
24		Magnesium functions:
			A)	in prevention of edema.
			B)	as a catalyst in energy metabolism.
			C)	as part of the parathyroid hormone.
			D)	in the transport of oxygen.
25		Whole grains, broccoli, squash, bran, nuts, and seeds are excellent sources of:
			A)	chloride.
			B)	phosphorus.
			C)	calcium.
			D)	magnesium.