Question 1

Which foods provide the richest source of folate?

Accepted Answer

A) eggs and dairy 
B) fish and shellfish 
C) fortified cereals 
D) spinach and broccoli 
E) citrus fruits and bell peppers 
A) eggs and dairy 
B) fish and shellfish 
C) fortified cereals 
D) spinach and broccoli 
E) citrus fruits and bell peppers

Question 2

A patient with a poor diet showing symptoms of diarrhea,confusion,and discoloration of the skin suggests a possible

Accepted Answer

A) thiamin deficiency. 
B) niacin deficiency. 
C) vitamin B₆ deficiency. 
D) vitamin B₁₂ deficiency. 
E) vitamin C deficiency. 
A) thiamin deficiency. 
B) niacin deficiency. 
C) vitamin B₆ deficiency. 
D) vitamin B₁₂ deficiency. 
E) vitamin C deficiency.

Question 3

High levels of homocysteine are associated with an increased risk of

Accepted Answer

A) type 2 diabetes. 
B) heart disease. 
C) liver damage. 
D) kidney disease. 
E) bone loss. 
A) type 2 diabetes. 
B) heart disease. 
C) liver damage. 
D) kidney disease. 
E) bone loss.

Question 4

Which action does not preserve water-soluble vitamins in foods?

Accepted Answer

A) freezing 
B) refrigerating 
C) storing in air-tight containers 
D) removing the peel from fruits and vegetables 
E) preventing contact with water 
A) freezing 
B) refrigerating 
C) storing in air-tight containers 
D) removing the peel from fruits and vegetables 
E) preventing contact with water

Question 5

Which foods provide the richest source of folic acid?

Accepted Answer

A) eggs and dairy 
B) fish and shellfish 
C) fortified cereals 
D) spinach and broccoli 
E) citrus fruits and bell peppers 
A) eggs and dairy 
B) fish and shellfish 
C) fortified cereals 
D) spinach and broccoli 
E) citrus fruits and bell peppers

Question 6

Which water-soluble vitamin can be stored in the body?

Accepted Answer

A) vitamin C 
B) niacin 
C) folate 
D) vitamin B₁₂ 
E) vitamin B₆ 
A) vitamin C 
B) niacin 
C) folate 
D) vitamin B₁₂ 
E) vitamin B₆

Question 7

High-dose folic acid can mask a _____________ deficiency.

Accepted Answer

A) biotin 
B) choline 
C) pantothenic acid 
D) vitamin B₆ 
E) vitamin B₁₂ 
A) biotin 
B) choline 
C) pantothenic acid 
D) vitamin B₆ 
E) vitamin B₁₂

Question 8

Which vitamin rarely results in a deficiency because of its presence in a wide variety of plant and animal sources?

Accepted Answer

A) biotin 
B) pantothenic acid 
C) vitamin C 
D) vitamin B₁₂ 
E) vitamin B₆ 
A) biotin 
B) pantothenic acid 
C) vitamin C 
D) vitamin B₁₂ 
E) vitamin B₆

Question 9

A patient's blood sample shows large immature red blood cells.This may suggest a deficiency in

Accepted Answer

A) thiamin and niacin. 
B) niacin and vitamin B₆. 
C) vitamin B₆ and B₁₂. 
D) vitamin B₆ and folate. 
E) vitamin B₁₂ and folatE. 
A) thiamin and niacin. 
B) niacin and vitamin B₆. 
C) vitamin B₆ and B₁₂. 
D) vitamin B₆ and folate. 
E) vitamin B₁₂ and folatE.

Question 10

Which vitamins are required for the production of methionine from homocysteine?

Accepted Answer

A) biotin and choline 
B) vitamin B₁₂ and folate 
C) vitamin B₆ and riboflavin 
D) thiamin and riboflavin 
E) thiamin and biotin 
A) biotin and choline 
B) vitamin B₁₂ and folate 
C) vitamin B₆ and riboflavin 
D) thiamin and riboflavin 
E) thiamin and biotin

Question 11

Which list contains only vitamins that play a role in red blood cell health?

Accepted Answer

A) thiamin,riboflavin,vitamin B₁₂ 
B) niacin,vitamin B₆,vitamin C 
C) vitamin B₆,vitamin B₁₂,folate 
D) niacin,vitamin B₆,choline 
E) vitamin B₆,vitamin B₁₂,biotin 
A) thiamin,riboflavin,vitamin B₁₂ 
B) niacin,vitamin B₆,vitamin C 
C) vitamin B₆,vitamin B₁₂,folate 
D) niacin,vitamin B₆,choline 
E) vitamin B₆,vitamin B₁₂,biotin

Question 12

Explain the effects of high-dose vitamin C supplementation on the common cold.

Accepted Answer

Based on clinical trials,once an individ

Question 13

Pernicious anemia is the result of

Accepted Answer

A) thiamin deficiency due to alcoholism. 
B) niacin deficiency due to low protein intake. 
C) vitamin B₁₂ deficiency due to failure to produce intrinsic factor. 
D) choline deficiency due to failure to activate folate. 
E) vitamin C deficiency due to low fruit and vegetable consumption. 
A) thiamin deficiency due to alcoholism. 
B) niacin deficiency due to low protein intake. 
C) vitamin B₁₂ deficiency due to failure to produce intrinsic factor. 
D) choline deficiency due to failure to activate folate. 
E) vitamin C deficiency due to low fruit and vegetable consumption.

Question 14

Which water-soluble vitamin has antioxidant properties?

Accepted Answer

A) thiamin 
B) riboflavin 
C) niacin 
D) vitamin B₆ 
E) vitamin C 
A) thiamin 
B) riboflavin 
C) niacin 
D) vitamin B₆ 
E) vitamin C

Question 15

The amino acid tryptophan can be converted to

Accepted Answer

A) thiamin. 
B) riboflavin. 
C) niacin. 
D) vitamin B₆. 
E) vitamin C. 
A) thiamin. 
B) riboflavin. 
C) niacin. 
D) vitamin B₆. 
E) vitamin C.

Question 16

Provide recommendations for proper preparation and storage of food to prevent excessive water-soluble vitamin losses.

Accepted Answer

To prevent excessive water-soluble vitam

Question 17

Consumption of 300 mg tryptophan can result in the synthesis of

Accepted Answer

A) 1 mg of niacin. 
B) 2 mg of niacin. 
C) 3 mg of niacin. 
D) 4 mg of niacin. 
E) 5 mg of niacin. 
A) 1 mg of niacin. 
B) 2 mg of niacin. 
C) 3 mg of niacin. 
D) 4 mg of niacin. 
E) 5 mg of niacin.

Question 18

Wernicke-Korsakoff syndrome results from

Accepted Answer

A) thiamin deficiency due to alcoholism. 
B) niacin deficiency due to low protein intake. 
C) vitamin B₆ due to low consumption of organ meats. 
D) riboflavin deficiency due to low dairy intake. 
E) vitamin C due to low fruit and vegetable consumption. 
A) thiamin deficiency due to alcoholism. 
B) niacin deficiency due to low protein intake. 
C) vitamin B₆ due to low consumption of organ meats. 
D) riboflavin deficiency due to low dairy intake. 
E) vitamin C due to low fruit and vegetable consumption.

Question 19

Explain why folate recommendations are often provided as dietary folate equivalents
(DFEs)?

Accepted Answer

To account for differences in

Question 20

Physicians will sometimes prescribe niacin in high doses to

Accepted Answer

A) help smokers quit smoking. 
B) lower LDL cholesterol. 
C) prevent numbness and nerve damage. 
D) improve immune function. 
E) prevent damage to cells due to free radicals. 
A) help smokers quit smoking. 
B) lower LDL cholesterol. 
C) prevent numbness and nerve damage. 
D) improve immune function. 
E) prevent damage to cells due to free radicals.

Exam 11: Water-Soluble Vitamins

Which foods provide the richest source of folate?

A patient with a poor diet showing symptoms of diarrhea,confusion,and discoloration of the skin suggests a possible

High levels of homocysteine are associated with an increased risk of

Which action does not preserve water-soluble vitamins in foods?

Which foods provide the richest source of folic acid?

Which water-soluble vitamin can be stored in the body?

High-dose folic acid can mask a _____________ deficiency.

Which vitamin rarely results in a deficiency because of its presence in a wide variety of plant and animal sources?

A patient's blood sample shows large immature red blood cells.This may suggest a deficiency in

Which vitamins are required for the production of methionine from homocysteine?

Which list contains only vitamins that play a role in red blood cell health?

Explain the effects of high-dose vitamin C supplementation on the common cold.

Pernicious anemia is the result of

Which water-soluble vitamin has antioxidant properties?

The amino acid tryptophan can be converted to

Provide recommendations for proper preparation and storage of food to prevent excessive water-soluble vitamin losses.

Consumption of 300 mg tryptophan can result in the synthesis of

Wernicke-Korsakoff syndrome results from

Explain why folate recommendations are often provided as dietary folate equivalents (DFEs)?

Physicians will sometimes prescribe niacin in high doses to

The Science and Scope of Nutrition

Healthy Diets

Digestive System and Digestive Disorders

Carbohydrates

Nutrition and Diabetes

Lipids

Lipids in Health and Disease

Protein

Plant-Based Diets

Fat-Soluble Vitamins

Dietary Supplements

Major Minerals and Water

Trace Minerals

Energy Balance and Obesity

Fitness and Sports Nutrition

Nutrition for Pregnancy, breastfeeding, and Infancy

Childhood Nutrition

The College Years

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