Question 1

Which of the following criteria qualifies a compound as a vitamin?

Accepted Answer

A)   The compound is necessary for health, but the body is unable to synthesize enough of the compound to maintain health.
B)   The body is unable to synthesize the compound.
C)   The compound is best absorbed if taken in supplement form.
D)   The compound prevents chronic disease.

Question 2

To protect bone health, vegans may require a supplemental source of vitamin

Accepted Answer

A)   A.
B)   C.
C)   D.
D)   K.

Question 3

Most vitamin A is stored in the

Accepted Answer

A)   kidneys.
B)   small intestine.
C)   liver.
D)   adipose tissue.

Question 4

Examples of foods that are rich sources of phytochemicals include

Accepted Answer

A)   gluten-free products, wild game, red wine, and green tea.
B)   plant and animal proteins.
C)   monounsaturated oils, whole grains, and poultry.
D)   fruits, vegetables, whole grains, herbs, nuts, and seeds.

Question 5

The synthetic form of vitamin K found in dietary supplements is

Accepted Answer

A)   menadione.
B)   menaquinone.
C)   phylloquinone.
D)   alpha-tocopherol.

Question 6

Megadoses of ________ may be used to lower cholesterol, but they can cause flushing of the skin.

Accepted Answer

A)   pyridoxine
B)   nicotinic acid
C)   riboflavin
D)   pantothenic acid

Question 7

A pantothenic acid deficiency

Accepted Answer

A)   is very unlikely because of its widespread availability.
B)   is very likely.
C)   occurs commonly in children.
D)   occurs commonly in the elderly.

Question 8

Individuals who ________ are at increased risk for vitamin B-12 deficiency.

Accepted Answer

A)   take medications to decrease stomach acidity
B)   exercise intensely
C)   smoke
D)   frequently eat red meat

Question 9

Carotenoid consumption may reduce the risk of

Accepted Answer

A)   acne.
B)   cataracts.
C)   cirrhosis.
D)   beriberi.

Question 10

Which of the following is converted to vitamin A in the body?

Accepted Answer

A)   Retinol
B)   Beta-carotene
C)   Cholesterol
D)   Phenylalanine

Question 11

The B vitamins generally function as

Accepted Answer

A)   antioxidants.
B)   coenzymes.
C)   emulsifiers.
D)   hormones.

Question 12

Which of the following forms of cancer is unrelated to excessive calorie intake?

Accepted Answer

A)   Lung
B)   Breast
C)   Colon
D)   Pancreatic

Question 13

Consumption of vitamin C ________ the absorption of iron.

Accepted Answer

A)   enhances
B)   limits
C)   does not affect

Question 14

Which of the following food combinations provides the most vitamin K?

Accepted Answer

A)   Spinach salad with strawberries, blueberries, and oil and vinegar dressing
B)   Ham and cheese on a whole wheat English muffin
C)   Low-fat yogurt with granola and fresh berries
D)   Sirloin steak, steamed green beans, and baked potato

Question 15

In general, excess amounts of water-soluble vitamins are excreted via the

Accepted Answer

A)   kidneys.
B)   intestine.
C)   lungs.
D)   liver.

Question 16

________ is a water-soluble vitamin that is important for the release of energy from carbohydrates as well as the synthesis of RNA, DNA, and some neurotransmitters.

Accepted Answer

A)   Thiamin
B)   Pyridoxine
C)   Niacin
D)   Riboflavin

Question 17

The Supplement Facts panel on dietary supplements resembles the ________ and is required on all dietary supplements.

Accepted Answer

A)   Nutrition Facts panel on foods
B)   Drug Facts panel on drugs
C)   Cosmetic Facts panel on cosmetics
D)   Prescription Facts panel on medications

Question 18

Match each term with its definition.
-Form of vitamin A found in foods of animal origin

Accepted Answer

A)  Retinoids
B)  Night blindness
C)  Bitot's spots
D)  Carotenoids
E)  Xerophthalmia

Question 19

Pellagra is characterized by

Accepted Answer

A)   diarrhea.
B)   dementia.
C)   dermatitis.
D)   All of the choices are correct.

Question 20

Which of the following is a good way to preserve the vitamin content of vegetables?

Accepted Answer

A)   Trimming and peeling vegetables soon after purchase.
B)   Storing vegetables in a cool place, such as the crisper drawer of the refrigerator
C)   Boiling vegetables until they are soft
D)   Storing vegetables at room temperature on the kitchen counter

Exam 8: Vitamins

Which of the following criteria qualifies a compound as a vitamin?

Correct AnswerverifiedShow Answer

Megadoses of ________ may be used to lower cholesterol, but they can cause flushing of the skin.

Correct AnswerverifiedShow Answer

Individuals who ________ are at increased risk for vitamin B-12 deficiency.

Correct AnswerverifiedShow Answer

In general, excess amounts of water-soluble vitamins are excreted via the

Correct AnswerverifiedShow Answer

Which of the following is a good way to preserve the vitamin content of vegetables?

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Which of the following is converted to vitamin A in the body?

Correct AnswerverifiedShow Answer

Most vitamin A is stored in the

Correct AnswerverifiedShow Answer

Consumption of vitamin C ________ the absorption of iron.

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The synthetic form of vitamin K found in dietary supplements is

Correct AnswerverifiedShow Answer

Pellagra is characterized by

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Which of the following food combinations provides the most vitamin K?

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Examples of foods that are rich sources of phytochemicals include

Correct AnswerverifiedShow Answer

Match each term with its definition. -Form of vitamin A found in foods of animal origin

Correct AnswerverifiedShow Answer

A pantothenic acid deficiency

Correct AnswerverifiedShow Answer

Carotenoid consumption may reduce the risk of

Correct AnswerverifiedShow Answer

The Supplement Facts panel on dietary supplements resembles the ________ and is required on all dietary supplements.

Correct AnswerverifiedShow Answer

________ is a water-soluble vitamin that is important for the release of energy from carbohydrates as well as the synthesis of RNA, DNA, and some neurotransmitters.

Correct AnswerverifiedShow Answer

Which of the following forms of cancer is unrelated to excessive calorie intake?

Correct AnswerverifiedShow Answer

To protect bone health, vegans may require a supplemental source of vitamin

Correct AnswerverifiedShow Answer

The B vitamins generally function as

Correct AnswerverifiedShow Answer

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