Question 1

How long can it take for the symptoms of vitamin B12 symptoms to develop,if a person,say,a new vegetarian,was to suddenly stop eating animal products?

Accepted Answer

A)   1 week 
B)   1 month 
C)   Several months 
D)   1 year 
E)   Several yearsF) B) and C)
G) B) and E)

Question 2

Niacin was involved in a groundbreaking nutrition discovery that showed that _____.

Accepted Answer

A)   diet inadequacies could cause disease 
B)   the B vitamins were involved in energy metabolism 
C)   tryptophan was a precursor of niacin 
D)   niacin was a water-soluble vitamin 
E)   dermatitis was a symptom of niacin deficiencyF) C) and E)
G) All of the above

Question 3

Which of the following is not a role of thiamin?

Accepted Answer

A)   DNA synthesis 
B)   Conversion of pyruvate to acetyl CoA 
C)   ATP production 
D)   Energy metabolism 
E)   Participation in the TCA cycleF) B) and C)
G) All of the above

Question 4

High intakes of folate can mask a deficiency of which nutrient?

Accepted Answer

A)   Iron 
B)   Vitamin A 
C)   Thiamin 
D)   Potassium 
E)   Vitamin B12F) A) and B)
G) A) and C)

Question 5

Which federal agency regulates dietary supplements?

Accepted Answer

A)   U.S. Department of Agriculture 
B)   U.S. Public Health Service 
C)   Centers for Disease Control 
D)   Food and Drug Administration 
E)   Federal Trade CommissionF) D) and E)
G) C) and D)

Question 6

MATCHING
-Substances that neutralize free radicals and may play role in disease prevention

Accepted Answer

A)  Pork
B)  Corn
C)  Milk and milk products
D)  Folate
E)  BiotinF) Nicotinic acid (Niacin) G) CholineH) AnemiaI) CollagenJ) ThiaminK) AntioxidantsL) CheilosisM) Vitamin B6N) Vitamin B12O) TryptophanP) Citrus fruitsQ) Vitamin CR) Intrinsic factorS) RiboflavinT) Pantothenic acidU) S) and T)
V) F) and Q)

Question 7

Which B vitamin is stored extensively in muscle tissue?

Accepted Answer

A)   Biotin 
B)   Folate 
C)   Thiamin 
D)   Pantothenic acid 
E)   Vitamin B6F) C) and D)
G) B) and D)

Question 8

Which of the following is true of vitamins in general?

Accepted Answer

A)   Some yield energy. 
B)   They help enzymes participate in release of energy from carbohydrates, proteins, and fats. 
C)   They are considered macronutrients. 
D)   Structurally, they are linked together. 
E)   They are not as readily available in food as carbohydrates, fats, and proteins.F) A) and D)
G) D) and E)

Question 9

Which of the following is true of niacin?

Accepted Answer

A)   Large doses of the nicotinic acid form can raise HDL cholesterol. 
B)   Large doses of the nicotinic acid form can raise LDL cholesterol. 
C)   Treatment for the deficiency disease, pellagra, often includes supplements of the amino acid leucine. 
D)   Toxicity is unknown. 
E)   High doses can treat liver diseases.F) B) and E)
G) A) and B)

Question 10

Which of the following is not true of vitamin B12

Accepted Answer

A)   It is found almost exclusively in animal-derived foods. 
B)   It converts folate to its active form. 
C)   It helps maintain nerve cells. 
D)   It depends on intrinsic factor for absorption. 
E)   It works closely with thiamin.F) B) and E)
G) None of the above

Question 11

Which of the following substances contributes to the destruction of vitamin B6 in the body?

Accepted Answer

A)   Pyridoxine 
B)   Vitamin A 
C)   Tryptophan 
D)   Alcohol 
E)   NicotineF) A) and B)
G) B) and E)

Question 12

Which of the following is true of pantothenic acid?

Accepted Answer

A)   It is the only B vitamin not involved in energy metabolism. 
B)   It is relatively stable under most food preparation methods. 
C)   It is known to be toxic in large doses. 
D)   It is involved in more than 100 steps in the synthesis of certain compounds. 
E)   It is found in a few select foods.F) A) and D)
G) D) and E)

Question 13

Of these foods,which is not a good source of folate?

Accepted Answer

A)   Milk 
B)   Legumes 
C)   Breakfast cereals 
D)   Green, leafy vegetables 
E)   FruitsF) C) and D)
G) None of the above

Question 14

B vitamins have a major role in _______.

Accepted Answer

A)   antioxidation 
B)   anticoagulation 
C)   antibody stabilization 
D)   collagen formation 
E)   energy metabolismF) All of the above
G) B) and E)

Question 15

Which of the following is a function of vitamin C?

Accepted Answer

A)   It helps form collagen. 
B)   It is involved in energy metabolism. 
C)   It helps rid the body of antioxidants. 
D)   It helps rid the body of excess iron. 
E)   It aids in the digestion of fat.F) A) and C)
G) A) and B)

Question 16

Explain what dietary folate equivalents are.

Accepted Answer

The bioavailability of folate differs de...

Question 17

What disease can result from prolonged thiamin deficiency?

Accepted Answer

A)   Scurvy 
B)   Pernicious anemia 
C)   Pellagra 
D)   Beriberi 
E)   CheilosisF) C) and E)
G) C) and D)

Question 18

Riboflavin is similar to thiamin in that _____.

Accepted Answer

A)   both are found in abundant amounts in pork. 
B)   both serve as coenzymes in energy metabolism. 
C)   both are easily destroyed by heat. 
D)   both are easily destroyed by ultraviolet light. 
E)   though rare, both can be toxic when consumed in high amounts.F) All of the above
G) A) and D)

Question 19

Of these foods,which is the best source of riboflavin?

Accepted Answer

A)   Carrots 
B)   Oranges 
C)   Tofu 
D)   Potatoes 
E)   LiverF) A) and D)
G) A) and C)

Question 20

Which of the following is not true of biotin?

Accepted Answer

A)   It is involved in gluconeogenesis. 
B)   Deficiencies are rare. 
C)   It acts as a co-enzyme in the TCA cycle. 
D)   Some is produced by GI bacteria. 
E)   A good source is egg whites.F) A) and C)
G) A) and B)

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

Which of the following is not a role of thiamin?

Correct AnswerverifiedShow Answer

B vitamins have a major role in _______.

Correct AnswerverifiedShow Answer

Of these foods,which is the best source of riboflavin?

Correct AnswerverifiedShow Answer

Niacin was involved in a groundbreaking nutrition discovery that showed that _____.

Correct AnswerverifiedShow Answer

Which of the following is not true of biotin?

Correct AnswerverifiedShow Answer

Which of the following is true of vitamins in general?

Correct AnswerverifiedShow Answer

MATCHING -Substances that neutralize free radicals and may play role in disease prevention

Correct AnswerverifiedShow Answer

What disease can result from prolonged thiamin deficiency?

Correct AnswerverifiedShow Answer

High intakes of folate can mask a deficiency of which nutrient?

Correct AnswerverifiedShow Answer

Which of the following is true of pantothenic acid?

Correct AnswerverifiedShow Answer

Which B vitamin is stored extensively in muscle tissue?

Correct AnswerverifiedShow Answer

Which federal agency regulates dietary supplements?

Correct AnswerverifiedShow Answer

Riboflavin is similar to thiamin in that _____.

Correct AnswerverifiedShow Answer

Which of the following is true of niacin?

Correct AnswerverifiedShow Answer

Of these foods,which is not a good source of folate?

Correct AnswerverifiedShow Answer

Explain what dietary folate equivalents are.

Correct AnswerverifiedThe bioavailability of folate differs de...View AnswerShow Answer

Which of the following is a function of vitamin C?

Correct AnswerverifiedShow Answer

How long can it take for the symptoms of vitamin B12 symptoms to develop,if a person,say,a new vegetarian,was to suddenly stop eating animal products?

Correct AnswerverifiedShow Answer

Which of the following is not true of vitamin B12

Correct AnswerverifiedShow Answer

Which of the following substances contributes to the destruction of vitamin B6 in the body?

Correct AnswerverifiedShow Answer

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The bioavailability of folate differs de...
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