Question 1

Describe the potential hazards of excessive vitamin C intake.

Accepted Answer

The availability of vitamin C supplement...

Question 2

Which of the following foods contains a protein that decreases bioavailability of biotin?

Accepted Answer

A)  Aged wine
B)  Aged cheese
C)  Raw egg whites
D)  Raw cauliflower
E)  Citrus fruitsF) A) and E)
G) None of the above

Question 3

Biotin can be synthesized by

Accepted Answer

A)  avidin.
B)  the skin.
C)  the liver.
D)  intestinal bacteria.
E)  bone marrow.F) A) and E)
G) B) and D)

Question 4

Which of the following overt side effect(s)  is likely to appear after a person ingests a high quantity of nicotinic acid?

Accepted Answer

A)  Constipation
B)  Mental confusion
C)  Painful, tingling, itching sensation
D)  Hair loss, bloating, and photophobia
E)  Sudden increase in blood pressureF) A) and C)
G) A) and B)

Question 5

How does the method of cooking affect thiamin stability?

Accepted Answer

A)  Microwaving the food conserves much of the thiamin.
B)  Prolonged heating of the food has little, if any, effect on the thiamin.
C)  Boiling the food tends to conserve thiamin by forming a stable, hydrated complex.
D)  Steaming the food can lead to substantial thiamin loss due to the high heat needed to form the steam.
E)  Blanching the food before cooking it will preserve thiamin content.F) B) and D)
G) A) and C)

Question 6

Which of the following functions has a requirement for thiamin?

Accepted Answer

A)  Blood coagulation
B)  Formation of red blood cells
C)  Energy release from energy-yielding nutrients
D)  Formation of epithelial cell mucopolysaccharides
E)  Production of histamineF) B) and E)
G) A) and C)

Question 7

Which of the following is a feature of pantothenic acid in nutrition?

Accepted Answer

A)  Absorption from foods is inhibited by aspirin.
B)  A deficiency or a toxicity shows similar symptoms.
C)  Deficiencies are seen primarily in children ages 4-10 years.
D)  It functions in the metabolism of amino acids, glucose, and fatty acids.
E)  It is possible to develop toxic levels on pantothenic acid if too much is ingested.F) C) and D)
G) A) and B)

Question 8

Which of the following is the coenzyme form of thiamin?

Accepted Answer

A)  Thiaminacide
B)  Thiamin pyrophosphate
C)  Thiamin adenine dinucleotide
D)  Thiamin mononucleotide
E)  Thiamin flavinF) B) and C)
G) None of the above

Question 9

Explain the modes of action of vitamin C.

Accepted Answer

As an antioxidant: Vitamin C loses elect...

Question 10

Which of the following diets is most likely to lead to beriberi?

Accepted Answer

A)  High intakes of white rice
B)  Low intakes of whole grains
C)  High intakes of unrefined rice
D)  Low intakes of enriched grains
E)  High intakes of cornF) A) and B)
G) B) and C)

Question 11

What organ stores the highest concentration of vitamin C?

Accepted Answer

A)  Liver
B)  Muscle
C)  Thyroid gland
D)  Adrenal glands
E)  HypothalamusF) A) and B)
G) None of the above

Question 12

What is meant by the bioavailability of a vitamin? How is it determined?

Accepted Answer

Some water-soluble vitamins are synthesi...

Question 13

Discuss through the use of examples the importance of folate in development of the neural tube during the early weeks of pregnancy.

Accepted Answer

The brain and spinal cord develop from t...

Question 14

What is meant by the bioavailability of a vitamin in food?

Accepted Answer

A)  The total amount available from plant and animal food
B)  The amount absorbed and subsequently used by the body
C)  The amount that escapes destruction from food processing
D)  The number of different chemical forms of the same vitamin
E)  The number of kcal that can be produced from the vitaminF) A) and B)
G) A) and E)

Question 15

List population groups that have a physiological need for vitamin/mineral supplements.

Accepted Answer

Correct Overt Deficiencies
In the United...

Question 16

MATCHING
-Excess intake of vitamin C may aggravate this disorder

Accepted Answer

A)  Pork
B)  Corn
C)  Dairy
D)  Folate
E)  BiotinF) NiacinG) CholineH) AnemiaI) CollagenJ) BeriberiK) BroccoliL) RiboflavinM) Vitamin B6N) Vitamin B₁₂O) TryptophanP) Iron overloadQ) Ascorbic acidR) Intrinsic factorS) Ultraviolet lightT) Pantothenic acidU) G) and P)
V) R) and T)

Question 17

A person with a disorder that limits absorption of bile is at increased risk for deficiency of

Accepted Answer

A)  folate.
B)  niacin.
C)  riboflavin.
D)  ascorbic acid.
E)  pantothenic acidF) C) and D)
G) A) and B)

Question 18

The synthesis of collagen requires both vitamin C and

Accepted Answer

A)  iron.
B)  zinc.
C)  cobalamin.
D)  beta-carotene.
E)  copper.F) A) and C)
G) B) and D)

Question 19

Which of the following provides the most thiamin per serving size?

Accepted Answer

A)  Ham
B)  Squash
C)  Whole milk
D)  Whole-grain breads
E)  Cheddar cheeseF) D) and E)
G) A) and B)

Question 20

The niacin-deficiency disease, ____________________, produces the symptoms of diarrhea, dermatitis, dementia, and eventually death

Accepted Answer

The answer of The niacin-deficiency disease, ____________________, produces the symptoms...

Exam 10: The Water-Soluble Vitamins: B Vitamins and Vitamin C

What is meant by the bioavailability of a vitamin? How is it determined?

Correct AnswerverifiedSome water-soluble vitamins are synthesi...View AnswerShow Answer

The synthesis of collagen requires both vitamin C and

Correct AnswerverifiedShow Answer

The niacin-deficiency disease, ____________________, produces the symptoms of diarrhea, dermatitis, dementia, and eventually death

Correct AnswerverifiedShow Answer

Explain the modes of action of vitamin C.

Correct AnswerverifiedAs an antioxidant: Vitamin C loses elect...View AnswerShow Answer

MATCHING -Excess intake of vitamin C may aggravate this disorder

Correct AnswerverifiedShow Answer

Which of the following overt side effect(s) is likely to appear after a person ingests a high quantity of nicotinic acid?

Correct AnswerverifiedShow Answer

Which of the following diets is most likely to lead to beriberi?

Correct AnswerverifiedShow Answer

Which of the following provides the most thiamin per serving size?

Correct AnswerverifiedShow Answer

A person with a disorder that limits absorption of bile is at increased risk for deficiency of

Correct AnswerverifiedShow Answer

Biotin can be synthesized by

Correct AnswerverifiedShow Answer

How does the method of cooking affect thiamin stability?

Correct AnswerverifiedShow Answer

Which of the following foods contains a protein that decreases bioavailability of biotin?

Correct AnswerverifiedShow Answer

What organ stores the highest concentration of vitamin C?

Correct AnswerverifiedShow Answer

Which of the following is a feature of pantothenic acid in nutrition?

Correct AnswerverifiedShow Answer

Which of the following functions has a requirement for thiamin?

Correct AnswerverifiedShow Answer

What is meant by the bioavailability of a vitamin in food?

Correct AnswerverifiedShow Answer

Which of the following is the coenzyme form of thiamin?

Correct AnswerverifiedShow Answer

Describe the potential hazards of excessive vitamin C intake.

Correct AnswerverifiedThe availability of vitamin C supplement...View AnswerShow Answer

Discuss through the use of examples the importance of folate in development of the neural tube during the early weeks of pregnancy.

Correct AnswerverifiedThe brain and spinal cord develop from t...View AnswerShow Answer

List population groups that have a physiological need for vitamin/mineral supplements.

Correct AnswerverifiedCorrect Overt DeficienciesIn the United...View AnswerShow Answer

Correct Answer
verified
Some water-soluble vitamins are synthesi...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
As an antioxidant: Vitamin C loses elect...
View 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
The availability of vitamin C supplement...
View Answer

Correct Answer
verified
The brain and spinal cord develop from t...
View Answer

Correct Answer
verified
Correct Overt Deficiencies
In the United...
View Answer