Question 1

Formation and maintenance of collagen requires

Accepted Answer

A)   thiamin.
B)   vitamin
C)   riboflavin.
D)   folate.

Question 2

Thiamin pyrophosphate (TPP) ,the coenzyme form of thiamin,is

Accepted Answer

A)   essential for the various oxidation-reduction reactions of the electron transport system.
B)   essential for the addition of two carbon fragments to fatty acids.
C)   essential for the oxidative decarboxylation of pyruvate.
D)   not really needed because our contemporary diets are low in carbohydrate.

Question 3

A painful,red,inflamed tongue is called

Accepted Answer

A)   glossitis.
B)   cheilosis.
C)   stomatitis.
D)   anemia.

Question 4

In the average U.S.diet,a quarter of the riboflavin comes from one food group,the

Accepted Answer

A)   fruit group.
B)   vegetable group.
C)   milk group.
D)   grains group.
E)   meat & beans group.

Question 5

Important contributors to niacin intake in the American diet are

Accepted Answer

A)   poultry, meat, and fish.
B)   citrus fruits, kiwi, and bananas.
C)   milk, cheese, and yogurt.
D)   spinach, kale, and broccoli .

Question 6

Large doses of vitamin C in supplement form are known to prevent,cure,or diminish the symptoms of the common cold.

Accepted Answer

A) True 
 B)False  False

Question 7

Nutritionally,the difference between brown rice and white rice is

Accepted Answer

A)   the presence of bran and germ layers in the brown rice, which have most of the nutrients.
B)   negligible. There is a little more thiamin in white rice than brown rice.
C)   fiber content. White rice has more fiber.
D)   there is more thiamin and fiber in white rice. A

Question 8

Rich sources of choline are

Accepted Answer

A)   enriched cereals and grains.
B)   fats and oils.
C)   meats, eggs, and dairy products.
D)   fruits and vegetables.

Question 9

Discuss the roles of thiamin,riboflavin,niacin,and pantothenic acid in energy metabolism.

Accepted Answer

Thiamin, riboflavin, niacin, and pantoth...

Question 10

An essential component of coenzyme A is

Accepted Answer

A)   biotin.
B)   pantothenic acid.
C)   thiamin.
D)   Vitamin C.

Question 11

Factors such as heat,iron,copper,and oxygen

Accepted Answer

A)   enhance the stability of vitamin C in foods.
B)   destroy vitamin C in foods.
C)   have no effect on vitamin
D)   convert vitamin C from its inactive to active form.

Question 12

Pantothenic acid is a part of _________,an important biochemical compound.

Accepted Answer

A)   pyruvate
B)   citric acid
C)   acetyl-CoA
D)   homocysteine

Question 13

Riboflavin coenzymes function in a variety of metabolic pathways,such as

Accepted Answer

A)   beta-oxidation of fatty acids.
B)   the citric acid cycle.
C)   the electron transport chain.
D)   All of these choices are accurate.

Question 14

A nutrient-dense source of thiamin is

Accepted Answer

A)   citrus fruits.
B)   milk and milk products.
C)   pork and pork products.
D)   leafy green vegetables.

Question 15

The cells most sensitive to a deficiency of dietary folate are cells that

Accepted Answer

A)   have a short life span and rapid turnover rate.
B)   have to last a lifetime.
C)   function in the immune system.
D)   are classified as phagocytes. A

Question 16

Scurvy is due to a deficiency of

Accepted Answer

A)   vitamin
B)   thiamin.
C)   folate.
D)   vitamin B-12.

Question 17

The protein in raw egg whites that can bind biotin is called

Accepted Answer

A)   avidin.
B)   salmonella.
C)   casein.
D)   keratin.

Question 18

It is very difficult to consume excess folic acid from nonprescription vitamin supplements because

Accepted Answer

A)   folic acid is never included in over-the-counter nutrient supplements.
B)   the FDA limits the amount of folic acid in supplements to 400 micrograms per capsule.
C)   folic acid in pill form imparts an unpleasant taste so that no one would ever attempt to take extra amounts.
D)   absorption of the vitamin is age-related. As we get older we automatically adjust the amount we absorb to more than the maximum level.

Question 19

One cause of fatigue and anemia in adolescent girls with low dairy product intake is deficiency of

Accepted Answer

A)   vitamin C
B)   calcium
C)   lactose
D)   riboflavin

Question 20

Which group of individuals has the highest requirement for folate?

Accepted Answer

A)   infants
B)   adolescent males
C)   pregnant women
D)   the elderly

Exam 13: Water-Soluble Vitamins

Formation and maintenance of collagen requires

Correct AnswerverifiedShow Answer

Thiamin pyrophosphate (TPP) ,the coenzyme form of thiamin,is

Correct AnswerverifiedShow Answer

A painful,red,inflamed tongue is called

Correct AnswerverifiedShow Answer

In the average U.S.diet,a quarter of the riboflavin comes from one food group,the

Correct AnswerverifiedShow Answer

Important contributors to niacin intake in the American diet are

Correct AnswerverifiedShow Answer

Large doses of vitamin C in supplement form are known to prevent,cure,or diminish the symptoms of the common cold.

Correct AnswerverifiedFalse

Nutritionally,the difference between brown rice and white rice is

Correct AnswerverifiedA

Rich sources of choline are

Correct AnswerverifiedShow Answer

Discuss the roles of thiamin,riboflavin,niacin,and pantothenic acid in energy metabolism.

Correct AnswerAnswered by ExamLex AIThiamin, riboflavin, niacin, and pantoth...View AnswerShow Answer

An essential component of coenzyme A is

Correct AnswerverifiedShow Answer

Factors such as heat,iron,copper,and oxygen

Correct AnswerverifiedShow Answer

Pantothenic acid is a part of _________,an important biochemical compound.

Correct AnswerverifiedShow Answer

Riboflavin coenzymes function in a variety of metabolic pathways,such as

Correct AnswerverifiedShow Answer

A nutrient-dense source of thiamin is

Correct AnswerverifiedShow Answer

The cells most sensitive to a deficiency of dietary folate are cells that

Correct AnswerverifiedA

Scurvy is due to a deficiency of

Correct AnswerverifiedShow Answer

The protein in raw egg whites that can bind biotin is called

Correct AnswerverifiedShow Answer

It is very difficult to consume excess folic acid from nonprescription vitamin supplements because

Correct AnswerverifiedShow Answer

One cause of fatigue and anemia in adolescent girls with low dairy product intake is deficiency of

Correct AnswerverifiedShow Answer

Which group of individuals has the highest requirement for folate?

Correct AnswerverifiedShow Answer

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False

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A

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Answered by ExamLex AI
Thiamin, riboflavin, niacin, and pantoth...
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A

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