Question 1

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

Accepted Answer

Thiamin, riboflavin, niacin, and pantoth...

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

Supplemental vitamin B-6,vitamin B-12,and folic acid can reduce blood levels of homocysteine but have not been proven to reduce the risk of cardiovascular disease.

Accepted Answer

A) True 
 B)False

Question 4

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 5

Niacin can be obtained from foods as the vitamin itself (preformed niacin) or be synthesized

Accepted Answer

A)  from the B vitamin riboflavin.
B)  from the essential amino acid tryptophan.
C)  by bacteria in the large intestine.
D)  All of the choices are correct.

Question 6

Describe why good folate status is especially important for young women.

Accepted Answer

Good folate status is especially importa...

Question 7

A major role of folate in cellular metabolism is the

Accepted Answer

A)  synthesis of steroid hormones.
B)  conversion of polyunsaturated fatty acids to saturated fatty acids.
C)  formation of glucose from galactose and fructose.
D)  synthesis of purine and pyrimidine bases in RNA and DNA.

Question 8

Supplements of the water-soluble vitamins ______ and _______ are most likely to cause toxicity symptoms.

Accepted Answer

A)  thiamin; riboflavin
B)  vitamin B-12; pantothenic acid
C)  vitamin B-6; vitamin C
D)  biotin; vitamin B-12

Question 9

The coenzyme form of riboflavin is

Accepted Answer

A)  TPP.
B)  ATP.
C)  FAD.
D)  NAD.

Question 10

Vitamin B-12 is supplied mostly in

Accepted Answer

A)  fruits and vegetables.
B)  cereal grains.
C)  foods of animal origin.
D)  None of these answers are correct.

Question 11

Research shows that supplemental vitamin B-6 is most likely to aid those experiencing

Accepted Answer

A)  nausea associated with pregnancy.
B)  pellagra.
C)  premenstrual syndrome.
D)  depression.

Question 12

Match between columns
                        Premises: Thiamin
Pantothenic acid
Biotin
Folate
Riboflavin
Vitamin C

Accepted Answer

The Answer of Is a part of the molecule acetyl is...

Question 13

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 14

A diet that provides 75 g protein per day can contribute __________ mg niacin from tryptophan.

Accepted Answer

A)  25
B)  7.5
C)  12.5
D)  <5

Question 15

A high intake of raw egg whites (>12 per day) can inhibit absorption of

Accepted Answer

A)  folate.
B)  vitamin B-12.
C)  pantothenic acid.
D)  biotin.

Question 16

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 17

Bright yellow urine usually is indicative that someone is supplementing with

Accepted Answer

A)  niacin.
B)  vitamin A.
C)  vitamin K.
D)  riboflavin.

Question 18

Thiamin should be given to an alcoholic patient who has

Accepted Answer

A)  pellagra.
B)  Wernicke-Korsakoff syndrome.
C)  pernicious anemia.
D)  scurvy.

Question 19

Which of the following foods represents the most nutrient-dense source of riboflavin?

Accepted Answer

A)  low-fat milk
B)  applesauce
C)  whole wheat bread
D)  green leafy vegetables

Question 20

Irreversible nerve damage may be caused by excessive intake of _______ supplements.

Accepted Answer

A)  vitamin B-12
B)  vitamin B-6
C)  tryptophan
D)  vitamin C

Exam 13: The Water-Soluble Vitamins

A major role of folate in cellular metabolism is the

Correct Answer
verified

A high intake of raw egg whites (>12 per day) can inhibit absorption of

Correct Answer
verified

Research shows that supplemental vitamin B-6 is most likely to aid those experiencing

Correct Answer
verified

Bright yellow urine usually is indicative that someone is supplementing with

Correct Answer
verified

Which of the following foods represents the most nutrient-dense source of riboflavin?

Correct Answer
verified

A diet that provides 75 g protein per day can contribute __________ mg niacin from tryptophan.

Correct Answer
verified

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

Correct Answer
verified

Niacin can be obtained from foods as the vitamin itself (preformed niacin) or be synthesized

Correct Answer
verified

A nutrient-dense source of thiamin is

Correct Answer
verified

Describe why good folate status is especially important for young women.

Correct Answer
Answered by ExamLex AI
Good folate status is especially importa...
View Answer

Supplements of the water-soluble vitamins and _ are most likely to cause toxicity symptoms.

Correct Answer
verified

Vitamin B-12 is supplied mostly in

Correct Answer
verified

Thiamin should be given to an alcoholic patient who has

Correct Answer
verified

The coenzyme form of riboflavin is

Correct Answer
verified

Irreversible nerve damage may be caused by excessive intake of _______ supplements.

Correct Answer
verified

Important contributors to niacin intake in the American diet are

Correct Answer
verified

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

Correct Answer
verified

Match the water-soluble vitamin with its function in cellular metabolism.

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

Correct Answer
Answered by ExamLex AI
Thiamin, riboflavin, niacin, and pantoth...
View Answer

Supplemental vitamin B-6,vitamin B-12,and folic acid can reduce blood levels of homocysteine but have not been proven to reduce the risk of cardiovascular disease.

Correct Answer
verified

Exam 13: The Water-Soluble Vitamins

A major role of folate in cellular metabolism is the

Correct AnswerverifiedShow Answer

A high intake of raw egg whites (>12 per day) can inhibit absorption of

Correct AnswerverifiedShow Answer

Research shows that supplemental vitamin B-6 is most likely to aid those experiencing

Correct AnswerverifiedShow Answer

Bright yellow urine usually is indicative that someone is supplementing with

Correct AnswerverifiedShow Answer

Which of the following foods represents the most nutrient-dense source of riboflavin?

Correct AnswerverifiedShow Answer

A diet that provides 75 g protein per day can contribute __________ mg niacin from tryptophan.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Niacin can be obtained from foods as the vitamin itself (preformed niacin) or be synthesized

Correct AnswerverifiedShow Answer

A nutrient-dense source of thiamin is

Correct AnswerverifiedShow Answer

Describe why good folate status is especially important for young women.

Correct AnswerAnswered by ExamLex AIGood folate status is especially importa...View AnswerShow Answer

Supplements of the water-soluble vitamins ______ and _______ are most likely to cause toxicity symptoms.

Correct AnswerverifiedShow Answer

Vitamin B-12 is supplied mostly in

Correct AnswerverifiedShow Answer

Thiamin should be given to an alcoholic patient who has

Correct AnswerverifiedShow Answer

The coenzyme form of riboflavin is

Correct AnswerverifiedShow Answer

Irreversible nerve damage may be caused by excessive intake of _______ supplements.

Correct AnswerverifiedShow Answer

Important contributors to niacin intake in the American diet are

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Match the water-soluble vitamin with its function in cellular metabolism.

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

Supplemental vitamin B-6,vitamin B-12,and folic acid can reduce blood levels of homocysteine but have not been proven to reduce the risk of cardiovascular disease.

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
Answered by ExamLex AI
Good folate status is especially importa...
View Answer

Supplements of the water-soluble vitamins and _ are most likely to cause toxicity symptoms.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Thiamin, riboflavin, niacin, and pantoth...
View Answer

Correct Answer
verified