Question 1

Taking megadose supplements of vitamin B-6 can lead to

Accepted Answer

A)   liver damage.
B)   kidney damage.
C)   nerve damage.
D)   ulcers.E) B) and D)
F) All of the above

Question 2

If a supplement label includes a structure/function claim, it also must include

Accepted Answer

A)   an illustration of the supplement's chemical structure.
B)   the FDA warning that these claims have not been evaluated by the agency.
C)   a reference to a scientific study that supports this claim.
D)   a description of the supplement's biological function.E) A) and B)
F) B) and C)

Question 3

A condition characterized by soft bones resulting from a vitamin D deficiency in adulthood is called

Accepted Answer

A)   rickets.
B)   osteoporosis.
C)   osteomalacia.
D)   osteopenia.E) All of the above
F) None of the above

Question 4

The main form of vitamin E in the body is

Accepted Answer

A)   alpha-tocopherol.
B)   gamma-tocopherol.
C)   beta-tocopherol.
D)   delta-tocopherol.E) A) and B)
F) A) and C)

Question 5

In order to adequately absorb vitamin B-12, we need

Accepted Answer

A)   intrinsic factor.
B)   an acidic environment in the stomach.
C)   a healthy ileum.
D)   all of these.E) A) and D)
F) B) and D)

Question 6

Which of the following is a role of choline in human health?

Accepted Answer

A)   Synthesis of neurotransmitters
B)   Transport of lipids
C)   Structure of cell membranes
D)   All of these are functions of choline.E) A) and D)
F) All of the above

Question 7

Older adults may require a supplemental source of vitamin B-12 because

Accepted Answer

A)   low intake of vitamin C impairs vitamin B-12 absorption.
B)   decreased production of intrinsic factor decreases vitamin B-12 absorption.
C)   increased hydrochloric acid production decreases vitamin B-12 absorption.
D)   high fiber intake binds vitamin B-12.E) None of the above
F) A) and B)

Question 8

Which of the following vitamins protects cell membranes and DNA from oxidative damage?

Accepted Answer

A)   Vitamin K
B)   Vitamin D
C)   Niacin
D)   Vitamin EE) None of the above
F) A) and B)

Question 9

Newborns are routinely given an injection of ________ shortly after birth to prevent life-threatening hemorrhage.

Accepted Answer

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

Question 10

Which of the following is true about our current knowledge about vitamins?

Accepted Answer

A)   We are sure there are more vitamins to be discovered for humans.
B)   We cannot effectively feed individuals intravenously for long periods of time because we do not know about all the vitamins that must be included.
C)   Most scientists believe we have discovered all vitamins relevant to humans.
D)   We know that there are more fat-soluble vitamins to discover.E) All of the above
F) C) and D)

Question 11

Fat malabsorption may contribute to poor bone health because of impaired absorption of

Accepted Answer

A)   vitamin D.
B)   vitamin A.
C)   phosphorus.
D)   magnesium.E) A) and D)
F) B) and C)

Question 12

Vitamin C intake over 2 grams per day may cause

Accepted Answer

A)   diarrhea.
B)   liver damage.
C)   beriberi.
D)   rebound scurvy.E) C) and D)
F) A) and B)

Question 13

Vitamin E is thought to be helpful in the prevention of heart disease because it

Accepted Answer

A)   enhances vitamin K activity.
B)   prevents oxidation of LDL cholesterol.
C)   relaxes blood vessels.
D)   prevents sodium retention.E) A) and B)
F) None of the above

Question 14

Research evidence shows that vitamin C supplements may

Accepted Answer

A)   reduce the duration of the common cold.
B)   suppress the immune response to the common cold.
C)   prevent the common cold.
D)   worsen the severity of symptoms of the common cold.E) A) and D)
F) C) and D)

Question 15

Which of the following is an antioxidant?

Accepted Answer

A)   Vitamin C
B)   Vitamin B-6
C)   Biotin
D)   NiacinE) B) and D)
F) All of the above

Question 16

The bioavailability of carotenoids is affected by

Accepted Answer

A)   cooking.
B)   consumption with meat products.
C)   soil mineral content.
D)   exposure to acid.E) None of the above
F) All of the above

Question 17

Typical North American dietary patterns ________ the RDA for vitamin E.

Accepted Answer

A)   do not meet
B)   meetC) A) and B)
D) undefined

Question 18

Match the following with the descriptions below.
-Zoochemical

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) B) and E)
H) A) and F)

Question 19

Match the following with the descriptions below.
-Functional foods

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) D) and E)
H) A) and B)

Question 20

A rich source of vitamin E is

Accepted Answer

A)   oranges.
B)   chicken breast.
C)   corn oil.
D)   prime rib.E) None of the above
F) A) and B)

Exam 8: Vitamins

Which of the following vitamins protects cell membranes and DNA from oxidative damage?

Correct AnswerverifiedShow Answer

Newborns are routinely given an injection of ________ shortly after birth to prevent life-threatening hemorrhage.

Correct AnswerverifiedShow Answer

Vitamin C intake over 2 grams per day may cause

Correct AnswerverifiedShow Answer

Vitamin E is thought to be helpful in the prevention of heart disease because it

Correct AnswerverifiedShow Answer

Match the following with the descriptions below. -Zoochemical

Correct AnswerverifiedShow Answer

Older adults may require a supplemental source of vitamin B-12 because

Correct AnswerverifiedShow Answer

Taking megadose supplements of vitamin B-6 can lead to

Correct AnswerverifiedShow Answer

Which of the following is true about our current knowledge about vitamins?

Correct AnswerverifiedShow Answer

If a supplement label includes a structure/function claim, it also must include

Correct AnswerverifiedShow Answer

Fat malabsorption may contribute to poor bone health because of impaired absorption of

Correct AnswerverifiedShow Answer

The bioavailability of carotenoids is affected by

Correct AnswerverifiedShow Answer

The main form of vitamin E in the body is

Correct AnswerverifiedShow Answer

Match the following with the descriptions below. -Functional foods

Correct AnswerverifiedShow Answer

A rich source of vitamin E is

Correct AnswerverifiedShow Answer

Which of the following is a role of choline in human health?

Correct AnswerverifiedShow Answer

Which of the following is an antioxidant?

Correct AnswerverifiedShow Answer

Research evidence shows that vitamin C supplements may

Correct AnswerverifiedShow Answer

Typical North American dietary patterns ________ the RDA for vitamin E.

Correct AnswerverifiedShow Answer

In order to adequately absorb vitamin B-12, we need

Correct AnswerverifiedShow Answer

A condition characterized by soft bones resulting from a vitamin D deficiency in adulthood is called

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