Question 1

Meeting vitamin B12 needs from the diet is especially difficult for:

Accepted Answer

A) athletes undergoing rigorous training. 
B) infants. 
C) vegans. 
D) pregnant women. 
A) athletes undergoing rigorous training. 
B) infants. 
C) vegans. 
D) pregnant women.

Question 2

Low folate status increases the risk of:

Accepted Answer

A) type 1 diabetes. 
B) heart disease. 
C) renal dysfunction. 
D) All of the above 
A) type 1 diabetes. 
B) heart disease. 
C) renal dysfunction. 
D) All of the above

Question 3

Which statement is FALSE regarding pantothenic acid?

Accepted Answer

A) Deficiency has been associated with consumption of raw eggs. 
B) It is found only in a few select foods. 
C) Toxicity is a concern due to food enrichment in the U.S. 
D) All of the above are false. 
A) Deficiency has been associated with consumption of raw eggs. 
B) It is found only in a few select foods. 
C) Toxicity is a concern due to food enrichment in the U.S. 
D) All of the above are false.

Question 4

Riboflavin forms active coenzymes that do all the following except:

Accepted Answer

A) assist with energy production from carbohydrates,proteins and fats. 
B) function as electron carriers. 
C) participate in the citric acid cycle. 
D) relay signals between nerve cells. 
A) assist with energy production from carbohydrates,proteins and fats. 
B) function as electron carriers. 
C) participate in the citric acid cycle. 
D) relay signals between nerve cells.

Question 5

When the vitamins lost in grain processing are restored,which is a nutrient typically NOT added back?

Accepted Answer

A) Iron 
B) Thiamin 
C) Pantothenic acid 
D) Riboflavin 
A) Iron 
B) Thiamin 
C) Pantothenic acid 
D) Riboflavin

Question 6

Folate deficiency symptoms are less of a problem recently because:

Accepted Answer

A) grain products are now fortified with folate. 
B) green tea is more popular. 
C) more people are drinking low-fat milk. 
D) taking vitamin supplements is more common. 
A) grain products are now fortified with folate. 
B) green tea is more popular. 
C) more people are drinking low-fat milk. 
D) taking vitamin supplements is more common.

Question 7

The symptom(s)of thiamin deficiency best explained by its role in glucose metabolism are:

Accepted Answer

A) depression and weakness. 
B) paralysis. 
C) hunger. 
D) atherosclerosis. 
A) depression and weakness. 
B) paralysis. 
C) hunger. 
D) atherosclerosis.

Question 8

B6 deficiency does NOT cause:

Accepted Answer

A) neurological symptoms. 
B) numbness in the extremities. 
C) anemia with large,deeply colored red blood cells. 
D) decreased antibody formation. 
A) neurological symptoms. 
B) numbness in the extremities. 
C) anemia with large,deeply colored red blood cells. 
D) decreased antibody formation.

Question 9

Which group is LEAST at risk for developing vitamin C deficiency?

Accepted Answer

A) Adults who consume plenty of fruits and vegetables 
B) Infants fed cows' milk 
C) Alcoholics 
D) Elderly people consuming nutrient poor diets 
A) Adults who consume plenty of fruits and vegetables 
B) Infants fed cows' milk 
C) Alcoholics 
D) Elderly people consuming nutrient poor diets

Question 10

Which is true regarding niacin?

Accepted Answer

A) It can be synthesized in the body from the amino acid tryptophan. 
B) Eggs are a good source of preformed niacin. 
C) The niacin deficiency disease is beriberi. 
D) Corn has a protective effect against niacin deficiencies. 
A) It can be synthesized in the body from the amino acid tryptophan. 
B) Eggs are a good source of preformed niacin. 
C) The niacin deficiency disease is beriberi. 
D) Corn has a protective effect against niacin deficiencies.

Question 11

Pantothenic acid is abundant in:

Accepted Answer

A) raw spinach. 
B) sunflower seeds. 
C) apples. 
D) All of the above. 
A) raw spinach. 
B) sunflower seeds. 
C) apples. 
D) All of the above.

Question 12

Which of the following does NOT affect thiamin availability in food?

Accepted Answer

A) Presence of other vitamins 
B) Enzymes found in raw fish 
C) Compounds found in blueberries,tea and coffee 
D) Heat,as generated in cooking 
A) Presence of other vitamins 
B) Enzymes found in raw fish 
C) Compounds found in blueberries,tea and coffee 
D) Heat,as generated in cooking

Question 13

Consumption of orange juice enhances the absorption of which nutrient?

Accepted Answer

A) Glucose 
B) Iron 
C) Zinc 
D) Fluoride 
A) Glucose 
B) Iron 
C) Zinc 
D) Fluoride

Question 14

Vitamins may be lost when food is processed.When these vitamins are added back to the processed food at the same or higher level,the food is said to be:

Accepted Answer

A) enhanced. 
B) fortified. 
C) enriched. 
D) supplemented. 
A) enhanced. 
B) fortified. 
C) enriched. 
D) supplemented.

Question 15

For which group is taking vitamin B12 supplements the LEAST beneficial?

Accepted Answer

A) People eating diets high in animal products 
B) Older adults with significantly reduced stomach acid 
C) People who do not consume animal products 
D) Breast- fed infants whose mothers are vegans 
A) People eating diets high in animal products 
B) Older adults with significantly reduced stomach acid 
C) People who do not consume animal products 
D) Breast- fed infants whose mothers are vegans

Question 16

High folate intake may:

Accepted Answer

A) increase the incidence of colon cancer. 
B) cause other vitamin deficiencies because folate competes for absorption sites. 
C) mask a vitamin B12 deficiency,giving rise to permanent nerve damage. 
D) cause acne. 
A) increase the incidence of colon cancer. 
B) cause other vitamin deficiencies because folate competes for absorption sites. 
C) mask a vitamin B12 deficiency,giving rise to permanent nerve damage. 
D) cause acne.

Question 17

Which B vitamin decreases the risk of neural tube defects in developing babies?

Accepted Answer

A) Riboflavin 
B) Biotin 
C) B12 
D) Folic acid 
A) Riboflavin 
B) Biotin 
C) B12 
D) Folic acid

Question 18

Folic acid supplements are most frequently recommended for:

Accepted Answer

A) post-menopausal women. 
B) women who may become pregnant. 
C) toddlers. 
D) the elderly. 
A) post-menopausal women. 
B) women who may become pregnant. 
C) toddlers. 
D) the elderly.

Question 19

Symptoms of ariboflavinosis do NOT include:

Accepted Answer

A) inflammation of the eyes and mouth. 
B) scaly,greasy skin eruptions. 
C) confusion. 
D) megoblastic anemia. 
A) inflammation of the eyes and mouth. 
B) scaly,greasy skin eruptions. 
C) confusion. 
D) megoblastic anemia.

Question 20

Which is the best source of vitamin C?

Accepted Answer

A) Strawberries 
B) Corn 
C) Milk 
D) Beef 
A) Strawberries 
B) Corn 
C) Milk 
D) Beef

Exam 8: The Water-Soluble Vitamins

Meeting vitamin B12 needs from the diet is especially difficult for:

Low folate status increases the risk of:

Which statement is FALSE regarding pantothenic acid?

Riboflavin forms active coenzymes that do all the following except:

When the vitamins lost in grain processing are restored,which is a nutrient typically NOT added back?

Folate deficiency symptoms are less of a problem recently because:

The symptom(s)of thiamin deficiency best explained by its role in glucose metabolism are:

B6 deficiency does NOT cause:

Which group is LEAST at risk for developing vitamin C deficiency?

Which is true regarding niacin?

Pantothenic acid is abundant in:

Which of the following does NOT affect thiamin availability in food?

Consumption of orange juice enhances the absorption of which nutrient?

Vitamins may be lost when food is processed.When these vitamins are added back to the processed food at the same or higher level,the food is said to be:

For which group is taking vitamin B12 supplements the LEAST beneficial?

High folate intake may:

Which B vitamin decreases the risk of neural tube defects in developing babies?

Folic acid supplements are most frequently recommended for:

Symptoms of ariboflavinosis do NOT include:

Which is the best source of vitamin C?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, absorption, and Metabolism

Carbohydrates: Sugars, starches, and Fiber

Lipids: Triglycerides, phospholipids, and Cholesterol

Proteins and Amino Acids

Energy Balance and Weight Management

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Minerals

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: the Adult Years

Food Safety

World Hunger and Malnutrition

Focus On Alcohol

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Nonvitamin/Nonmineral Supplements

Focus on Biotechnology

Filters

Meeting vitamin B₁₂ needs from the diet is especially difficult for:

B₆ deficiency does NOT cause:

For which group is taking vitamin B₁₂ supplements the LEAST beneficial?