Question 1

Water constitutes ________ percent of body weight.

Accepted Answer

A)   10 to 20
B)   25 to 45
C)   50 to 70
D)   75 to 95E) B) and C)
F) A) and D)

Question 2

Active transport of ________ from the lumen of the intestine into the cells lining the intestine facilitates absorption of water from the gastrointestinal tract.

Accepted Answer

A)   sodium
B)   glucose
C)   amino acids
D)   phosphorusE) B) and D)
F) C) and D)

Question 3

Selenium toxicity would most likely result from

Accepted Answer

A)   high intakes of seafood.
B)   high intakes of grain products grown on selenium-rich soil.
C)   daily intake of green, leafy vegetables.
D)   excessive use of dietary supplements.E) B) and C)
F) A) and D)

Question 4

Which of the following statements is not correct when describing the role of minerals in the body?

Accepted Answer

A)   They facilitate the transfer of nerve impulses.
B)   They are constituents of important body compounds.
C)   They provide 4 kilocalories per gram.
D)   They help maintain water balance.E) A) and B)
F) C) and D)

Question 5

For a healthy individual, a high-salt diet tends to ________ urinary excretion of sodium.

Accepted Answer

A)   increase
B)   decreaseC) A) and B)
D) undefined

Question 6

Which of the following foods is the most nutrient-dense source of potassium?

Accepted Answer

A)   Squash
B)   Skim milk
C)   White bread
D)   Canola oilE) B) and C)
F) A) and D)

Question 7

The most economical way to supply fluoride is

Accepted Answer

A)   fluoride tablets.
B)   topical fluoride gels.
C)   fluoridation of the municipal water supply.
D)   fortification of foods with fluoride.E) C) and D)
F) A) and B)

Question 8

The amount of iron in the body is mostly regulated by

Accepted Answer

A)   excretion in the urine.
B)   absorption in the small intestine.
C)   synthesis in the skin.
D)   metabolism in the liver.E) A) and B)
F) A) and C)

Question 9

Most bottled water has ________ fluoride content than municipal tap water.

Accepted Answer

A)   a lower
B)   a higher
C)   the sameD) A) and C)
E) A) and B)

Question 10

Which of the following is not true about the regulation of fluid in the body?

Accepted Answer

A)   Thirst is a reliable indicator of how much water should be consumed to replenish body fluids during illness.
B)   Antidiuretic hormone is released to force the kidney to conserve water.
C)   There is a limit to how concentrated the kidney can make the urine.
D)   Even though the kidney can effectively conserve water, insensible water losses must be replenished.E) None of the above
F) A) and D)

Question 11

Up to one or two alcoholic drinks per day

Accepted Answer

A)   is a reasonable alcohol intake for an adult with hypertension.
B)   may reduce the risk for ischemic stroke.
C)   is a reasonable alcohol intake for adults of legal drinking age.
D)   All of these choices are correct.E) A) and D)
F) All of the above

Question 12

Obesity

Accepted Answer

A)   reduces the risk for hypertension.
B)   is a minor contributor to the risk for hypertension.
C)   is the number one lifestyle risk factor for hypertension.
D)   is not related to hypertension.E) None of the above
F) B) and C)

Question 13

A severe iodine deficiency during early pregnancy may lead to ________ in the offspring.

Accepted Answer

A)   scurvy
B)   rickets
C)   congenital hypothyroidism
D)   xerophthalmiaE) A) and C)
F) A) and B)

Question 14

Chronic dehydration increases a man's risk of developing

Accepted Answer

A)   gallstones.
B)   calcium deposits.
C)   a fever.
D)   kidney stones.E) A) and B)
F) A) and C)

Question 15

________ is the iron-binding protein that transports oxygen through the blood.

Accepted Answer

A)   Hemosiderin
B)   Hematocrit
C)   Hemoglobin
D)   HemostatE) None of the above
F) A) and D)

Question 16

Selenium is a cofactor for an enzyme called glutathione peroxidase, which is important for

Accepted Answer

A)   synthesis of hydroxyapatite.
B)   stomach acid production.
C)   regulation of fluid status.
D)   antioxidant defense systems in the body.E) C) and D)
F) None of the above

Question 17

A useful strategy to reduce the risk of developing hypertension is to

Accepted Answer

A)   eat plenty of protein.
B)   limit the use of pepper at the table and during food preparation.
C)   eat lots of prepackaged and canned foods.
D)   eat a kilocalorie-controlled diet to maintain a desirable body weight.E) A) and D)
F) B) and C)

Question 18

Which would you expect to provide the largest amount of calcium?

Accepted Answer

A)   1 medium egg
B)   1 slice of bread
C)   1 ounce of cheese
D)   1 medium appleE) All of the above
F) B) and C)

Question 19

Inadequate hydration may increase the risk for

Accepted Answer

A)   hyponatremia.
B)   kidney stones.
C)   hypertension.
D)   hypokalemia.E) B) and C)
F) A) and D)

Question 20

Too much ________ can cause discoloration (mottling)  of the teeth.

Accepted Answer

A)   fluoride
B)   copper
C)   iron
D)   seleniumE) A) and B)
F) A) and D)

Exam 9: Water and Minerals

Inadequate hydration may increase the risk for

Correct AnswerverifiedShow Answer

The most economical way to supply fluoride is

Correct AnswerverifiedShow Answer

A useful strategy to reduce the risk of developing hypertension is to

Correct AnswerverifiedShow Answer

Chronic dehydration increases a man's risk of developing

Correct AnswerverifiedShow Answer

Active transport of ________ from the lumen of the intestine into the cells lining the intestine facilitates absorption of water from the gastrointestinal tract.

Correct AnswerverifiedShow Answer

For a healthy individual, a high-salt diet tends to ________ urinary excretion of sodium.

Correct AnswerverifiedShow Answer

Selenium is a cofactor for an enzyme called glutathione peroxidase, which is important for

Correct AnswerverifiedShow Answer

Which would you expect to provide the largest amount of calcium?

Correct AnswerverifiedShow Answer

A severe iodine deficiency during early pregnancy may lead to ________ in the offspring.

Correct AnswerverifiedShow Answer

Selenium toxicity would most likely result from

Correct AnswerverifiedShow Answer

Obesity

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Which of the following statements is not correct when describing the role of minerals in the body?

Correct AnswerverifiedShow Answer

Which of the following is not true about the regulation of fluid in the body?

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________ is the iron-binding protein that transports oxygen through the blood.

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The amount of iron in the body is mostly regulated by

Correct AnswerverifiedShow Answer

Up to one or two alcoholic drinks per day

Correct AnswerverifiedShow Answer

Water constitutes ________ percent of body weight.

Correct AnswerverifiedShow Answer

Too much ________ can cause discoloration (mottling) of the teeth.

Correct AnswerverifiedShow Answer

Most bottled water has ________ fluoride content than municipal tap water.

Correct AnswerverifiedShow Answer

Which of the following foods is the most nutrient-dense source of potassium?

Correct AnswerverifiedShow Answer

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