Question 1

Which of the following populations is most susceptible to vitamin K deficiency?

Accepted Answer

A)   Vegans
B)   Preschool children who are picky eaters
C)   Children with cystic fibrosis
D)   Older adultsE) A) and B)
F) A) and C)

Question 2

Soybeans, egg yolks, meats, and lecithin are sources of ________.

Accepted Answer

A)   riboflavin
B)   choline
C)   chromium
D)   iodideE) A) and C)
F) A) and B)

Question 3

In North America, the major dietary source of vitamin ________ is fortified dairy products.

Accepted Answer

A)   B-6
B)   C
C)   D
D)   KE) A) and D)
F) A) and C)

Question 4

Which of the following is a situation in which a person should consider vitamin D supplementation?

Accepted Answer

A)   Strict vegan diet
B)   Allergy to milk protein
C)   Kidney disease
D)   All of these choices are correct.E) All of the above
F) B) and D)

Question 5

Acquiring sufficient vitamin B-12 from the diet may be a problem for vegans because

Accepted Answer

A)   phytic acid in vegetable proteins may inhibit its absorption.
B)   they lack the R-protein in the stomach.
C)   it is only found in animal products.
D)   protein deficiency limits synthesis of intrinsic factor.E) All of the above
F) A) and B)

Question 6

In green vegetables, such as broccoli, the orange pigments of provitamin A carotenoids are masked by

Accepted Answer

A)   lycopene.
B)   chlorophyll.
C)   lutein.
D)   anthocyanin.E) B) and C)
F) A) and D)

Question 7

The abnormal red blood cells seen in pernicious anemia are due to

Accepted Answer

A)   inadequate folate intake.
B)   inadequate folate absorption.
C)   inadequate B-12 intake.
D)   inadequate B-12 absorption.E) B) and D)
F) None of the above

Question 8

Match the following with the descriptions below.
-Free radical

Accepted Answer

A)  Substance that has the ability to prevent or repair the damage caused by oxidation
B)  Pigment materials in fruits and vegetables that can be turned into vitamin A in the bod
C)  Animal chemical that has health protective actions
D)  Plant chemical that has health protective actions
E)  Unstable atom with an unpaired electron in its outermost shellF) Foods that have health benefits beyond basic nutritionG) C) and D)
H) C) and F)

Question 9

Which of the following is a good source of provitamin A?

Accepted Answer

A)   Orange
B)   Apricot
C)   Cauliflower
D)   PotatoesE) A) and D)
F) None of the above

Question 10

When buying a vitamin or mineral supplement, look for ________ on the label, which signifies that an independent group of scientists has reviewed the product for purity, strength, and quality.

Accepted Answer

A)   UPS
B)   SPU
C)   PSU
D)   USPE) A) and D)
F) All of the above

Question 11

What disease is caused by a thiamin deficiency?

Accepted Answer

A)   Pellagra
B)   Scurvy
C)   Kwashiorkor
D)   BeriberiE) A) and D)
F) A) and C)

Question 12

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

Accepted Answer

A)  Retinoids
B)  Night blindness
C)  Bitot's spots
D)  Carotenoids
E)  XerophthalmiaF) B) and D)
G) C) and D)

Question 13

Which of the following is true about vitamin A toxicity?

Accepted Answer

A)   Fetal malformations can occur.
B)   One is unlikely to get toxic doses from eating food sources of vitamin A.
C)   Most adverse effects disappear after ceasing to take excessive doses.
D)   All of these are true.E) A) and B)
F) B) and C)

Question 14

Vitamin K is required for optimal bone health due to its role in activating

Accepted Answer

A)   proteins that bind calcium.
B)   clotting factors in the blood.
C)   vitamin D in the kidneys.
D)   vitamin D in the liver.E) A) and D)
F) B) and D)

Question 15

Vitamin B-6, folate, and vitamin B-12 are required for the metabolism of

Accepted Answer

A)   niacin.
B)   homocysteine.
C)   iron.
D)   fatty acids.E) All of the above
F) A) and C)

Question 16

The childhood disease rickets is due to a deficiency of

Accepted Answer

A)   vitamin A.
B)   vitamin C.
C)   vitamin D.
D)   vitamin K.E) A) and B)
F) A) and C)

Question 17

In general, the richest sources of vitamin E are

Accepted Answer

A)   refined grain products.
B)   plant oils.
C)   citrus fruits.
D)   yellow and orange vegetables.E) None of the above
F) B) and C)

Question 18

Deficiency symptoms of pinpoint hemorrhages under the skin, bleeding gums, and joint pain are related to the role of vitamin C in

Accepted Answer

A)   carnitine synthesis.
B)   collagen synthesis.
C)   antioxidant reactions.
D)   neurotransmitter synthesis.E) A) and C)
F) C) and D)

Question 19

Vitamin D is unique among the vitamins because

Accepted Answer

A)   it is absorbed and transported via the lymphatic system.
B)   its absorption requires bile and fat.
C)   it can be formed in the body by skin exposure to the sun.
D)   it can be stored.E) A) and D)
F) B) and C)

Question 20

When a cell membrane is damaged by free radicals, which specific component of the cell membrane is damaged?

Accepted Answer

A)   Cholesterol
B)   Phospholipid
C)   Polysaccharide
D)   Saturated fatE) A) and B)
F) A) and C)

Exam 8: Vitamins

Which of the following populations is most susceptible to vitamin K deficiency?

Correct AnswerverifiedShow Answer

When buying a vitamin or mineral supplement, look for ________ on the label, which signifies that an independent group of scientists has reviewed the product for purity, strength, and quality.

Correct AnswerverifiedShow Answer

Vitamin D is unique among the vitamins because

Correct AnswerverifiedShow Answer

In green vegetables, such as broccoli, the orange pigments of provitamin A carotenoids are masked by

Correct AnswerverifiedShow Answer

What disease is caused by a thiamin deficiency?

Correct AnswerverifiedShow Answer

Vitamin B-6, folate, and vitamin B-12 are required for the metabolism of

Correct AnswerverifiedShow Answer

Deficiency symptoms of pinpoint hemorrhages under the skin, bleeding gums, and joint pain are related to the role of vitamin C in

Correct AnswerverifiedShow Answer

Which of the following is true about vitamin A toxicity?

Correct AnswerverifiedShow Answer

The childhood disease rickets is due to a deficiency of

Correct AnswerverifiedShow Answer

Soybeans, egg yolks, meats, and lecithin are sources of ________.

Correct AnswerverifiedShow Answer

In North America, the major dietary source of vitamin ________ is fortified dairy products.

Correct AnswerverifiedShow Answer

When a cell membrane is damaged by free radicals, which specific component of the cell membrane is damaged?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Match the following with the descriptions below. -Free radical

Correct AnswerverifiedShow Answer

Which of the following is a situation in which a person should consider vitamin D supplementation?

Correct AnswerverifiedShow Answer

The abnormal red blood cells seen in pernicious anemia are due to

Correct AnswerverifiedShow Answer

Acquiring sufficient vitamin B-12 from the diet may be a problem for vegans because

Correct AnswerverifiedShow Answer

Which of the following is a good source of provitamin A?

Correct AnswerverifiedShow Answer

Vitamin K is required for optimal bone health due to its role in activating

Correct AnswerverifiedShow Answer

In general, the richest sources of vitamin E are

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified