Question 1

Megadoses are defined as vitamin intakes ________ times the estimated human needs to prevent a deficiency.

Accepted Answer

A)  1 to 3 
B)  3 to 5 
C)  2 to 10 
D)  50 
A)  1 to 3 
B)  3 to 5 
C)  2 to 10 
D)  50

Question 2

Which of the following are the best thiamin sources?

Accepted Answer

A)  Pork, whole grains, enriched cereals, legumes 
B)  Root vegetables, cheddar-type cheese, deep yellow/orange fruits and vegetables 
C)  Ham, vegetables of the cabbage family, whole grains 
D)  Milk, beef, deep yellow/orange fruits and vegetables 
A)  Pork, whole grains, enriched cereals, legumes 
B)  Root vegetables, cheddar-type cheese, deep yellow/orange fruits and vegetables 
C)  Ham, vegetables of the cabbage family, whole grains 
D)  Milk, beef, deep yellow/orange fruits and vegetables

Question 3

Which fat-soluble vitamin is important for the health of epithelial cells because it promotes mucus production?

Accepted Answer

A)  vitamin A 
B)  vitamin E 
C)  vitamin C 
D)  vitamin D 
A)  vitamin A 
B)  vitamin E 
C)  vitamin C 
D)  vitamin D

Question 4

The vitamin content of foods is diminished by all of the following EXCEPT

Accepted Answer

A)  exposure to light. 
B)  cooking in water. 
C)  freezing. 
D)  alkalinity. 
A)  exposure to light. 
B)  cooking in water. 
C)  freezing. 
D)  alkalinity.

Question 5

Which of the following is true about the forms of vitamin A?

Accepted Answer

A)  Retinoids are found in plant foods. 
B)  Carotenoids are found in animal foods. 
C)  Carotenoids can be converted to retinoids. 
D)  Retinoids can be converted to carotenoids. 
A)  Retinoids are found in plant foods. 
B)  Carotenoids are found in animal foods. 
C)  Carotenoids can be converted to retinoids. 
D)  Retinoids can be converted to carotenoids.

Question 6

Vitamin C intake over 2 grams per day may cause

Accepted Answer

A)  diarrhea. 
B)  liver damage. 
C)  beriberi. 
D)  rebound scurvy. 
A)  diarrhea. 
B)  liver damage. 
C)  beriberi. 
D)  rebound scurvy.

Question 7

Pantothenic acid is required for the synthesis of

Accepted Answer

A)  coenzyme PA (CoP
A) . 
B)  coenzyme Q (CoQ). 
C)  coenzyme A (Co
A) . 
D)  coenzyme B (Co
B) . 
A)  coenzyme PA (CoP
A) . 
B)  coenzyme Q (CoQ). 
C)  coenzyme A (Co
A) . 
D)  coenzyme B (Co
B) .

Question 8

Which of the following is the best food source of riboflavin?

Accepted Answer

A)  Milk 
B)  Lean ham 
C)  Carrots 
D)  Canola oil 
A)  Milk 
B)  Lean ham 
C)  Carrots 
D)  Canola oil

Question 9

Overconsumption of vitamins A and E can do all the following except

Accepted Answer

A)  lead to accumulation in the liver. 
B)  result in toxicity. 
C)  cure colds and prevent cancer. 
D)  lead to debilitating side effects. 
A)  lead to accumulation in the liver. 
B)  result in toxicity. 
C)  cure colds and prevent cancer. 
D)  lead to debilitating side effects.

Question 10

Beriberi is caused by a _______________ deficiency.

Accepted Answer

A)  thiamin 
B)  vitamin B-6 
C)  niacin 
D)  choline 
A)  thiamin 
B)  vitamin B-6 
C)  niacin 
D)  choline

Question 11

Vitamin C appears to reduce the duration of symptoms of __________________by a day or so and to lessen the severity of the symptoms.

Accepted Answer

A)  colds 
B)  ear infections 
C)  urinary tract infections 
D)  the flu 
A)  colds 
B)  ear infections 
C)  urinary tract infections 
D)  the flu

Question 12

Some niacin is formed in the body from

Accepted Answer

A)  phenylalanine. 
B)  tyrosine. 
C)  tryptophan. 
D)  lysine. 
A)  phenylalanine. 
B)  tyrosine. 
C)  tryptophan. 
D)  lysine.

Question 13

In milling grains to make refined products, seeds are crushed and the germ, bran, and husk layers are discarded, leaving just the starch-containing _________________ in the refined grains.

Accepted Answer

A)  endosperm 
B)  cereal 
C)  cellulose 
D)  fiber 
A)  endosperm 
B)  cereal 
C)  cellulose 
D)  fiber

Question 14

In general, the richest sources of vitamin E are _______________.

Accepted Answer

A)  green leafy vegetables 
B)  plant oils 
C)  citrus fruits 
D)  yellow and orange vegetables 
A)  green leafy vegetables 
B)  plant oils 
C)  citrus fruits 
D)  yellow and orange vegetables

Question 15

Water-soluble and fat-soluble vitamins differ in which way?

Accepted Answer

A)  Water-soluble vitamins are best absorbed in the presence of dietary fat. 
B)  Fat-soluble vitamins have much less potential for toxicity. 
C)  Water-soluble vitamins are stored, whereas fat-soluble vitamins are excreted readily. 
D)  Water-soluble are less likely to be toxic. 
A)  Water-soluble vitamins are best absorbed in the presence of dietary fat. 
B)  Fat-soluble vitamins have much less potential for toxicity. 
C)  Water-soluble vitamins are stored, whereas fat-soluble vitamins are excreted readily. 
D)  Water-soluble are less likely to be toxic.

Question 16

Most water-soluble vitamins are rapidly excreted from the body when consumed in excess. However, ______ is an example of a water-soluble vitamin that can accumulate to toxic levels in the liver.

Accepted Answer

A)  riboflavin 
B)  vitamin C 
C)  thiamin 
D)  vitamin B-6 
A)  riboflavin 
B)  vitamin C 
C)  thiamin 
D)  vitamin B-6

Question 17

The vitamin that aids in activating fatty acids so they can yield energy is

Accepted Answer

A)  pantothenic acid. 
B)  biotin. 
C)  vitamin B-6. 
D)  thiamin. 
A)  pantothenic acid. 
B)  biotin. 
C)  vitamin B-6. 
D)  thiamin.

Question 18

Vitamin D is converted to its active form by the

Accepted Answer

A)  liver and kidneys. 
B)  bones. 
C)  pancreas. 
D)  skin. 
A)  liver and kidneys. 
B)  bones. 
C)  pancreas. 
D)  skin.

Question 19

Free radical damage has been implicated in increasing the risk of

Accepted Answer

A)  sinus infections. 
B)  HIV. 
C)  atherosclerosis. 
D)  sickle cell disease. 
A)  sinus infections. 
B)  HIV. 
C)  atherosclerosis. 
D)  sickle cell disease.

Question 20

The leading cause of blindness among older Americans is macular degeneration. Eating a diet rich in can decrease the risk of this condition.

Accepted Answer

A)  vitamin A 
B)  vitamin E 
C)  vitamin C 
D)  carotenoids 
A)  vitamin A 
B)  vitamin E 
C)  vitamin C 
D)  carotenoids

Megadoses are defined as vitamin intakes ________ times the estimated human needs to prevent a deficiency.

Which of the following are the best thiamin sources?

Which fat-soluble vitamin is important for the health of epithelial cells because it promotes mucus production?

The vitamin content of foods is diminished by all of the following EXCEPT

Which of the following is true about the forms of vitamin A?

Vitamin C intake over 2 grams per day may cause

Pantothenic acid is required for the synthesis of

Which of the following is the best food source of riboflavin?

Overconsumption of vitamins A and E can do all the following except

Beriberi is caused by a _______________ deficiency.

Vitamin C appears to reduce the duration of symptoms of __________________by a day or so and to lessen the severity of the symptoms.

Some niacin is formed in the body from

In milling grains to make refined products, seeds are crushed and the germ, bran, and husk layers are discarded, leaving just the starch-containing _________________ in the refined grains.

In general, the richest sources of vitamin E are _______________.

Water-soluble and fat-soluble vitamins differ in which way?

Most water-soluble vitamins are rapidly excreted from the body when consumed in excess. However, ______ is an example of a water-soluble vitamin that can accumulate to toxic levels in the liver.

The vitamin that aids in activating fatty acids so they can yield energy is

Vitamin D is converted to its active form by the

Free radical damage has been implicated in increasing the risk of

The leading cause of blindness among older Americans is macular degeneration. Eating a diet rich in can decrease the risk of this condition.

Nutrition, Food Choices, and Health

Guidelines for Designing a Healthy Diet

The Human Body: a Nutrition Perspective

Carbohydrates

Lipids

Proteins

Energy Balance and Weight Control

Water and Minerals

Nutrition: Fitness and Sports

Eating Disorders

Undernutrition Throughout the World

Safety of Our Food Supply

Nutrition During Pregnancy and Breastfeeding

Nutrition From Infancy Through Adolescence

Nutrition During Adulthood

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Exam 8: Vitamins

Megadoses are defined as vitamin intakes ________ times the estimated human needs to prevent a deficiency.

Which of the following are the best thiamin sources?

Which fat-soluble vitamin is important for the health of epithelial cells because it promotes mucus production?

The vitamin content of foods is diminished by all of the following EXCEPT

Which of the following is true about the forms of vitamin A?

Vitamin C intake over 2 grams per day may cause

Pantothenic acid is required for the synthesis of

Which of the following is the best food source of riboflavin?

Overconsumption of vitamins A and E can do all the following except

Beriberi is caused by a _______________ deficiency.

Vitamin C appears to reduce the duration of symptoms of __________________by a day or so and to lessen the severity of the symptoms.

Some niacin is formed in the body from

In milling grains to make refined products, seeds are crushed and the germ, bran, and husk layers are discarded, leaving just the starch-containing _________________ in the refined grains.

In general, the richest sources of vitamin E are _______________.

Water-soluble and fat-soluble vitamins differ in which way?

Most water-soluble vitamins are rapidly excreted from the body when consumed in excess. However, ______ is an example of a water-soluble vitamin that can accumulate to toxic levels in the liver.

The vitamin that aids in activating fatty acids so they can yield energy is

Vitamin D is converted to its active form by the

Free radical damage has been implicated in increasing the risk of

The leading cause of blindness among older Americans is macular degeneration. Eating a diet rich in can decrease the risk of this condition.

Nutrition, Food Choices, and Health

Guidelines for Designing a Healthy Diet

The Human Body: a Nutrition Perspective

Carbohydrates

Lipids

Proteins

Energy Balance and Weight Control

Water and Minerals

Nutrition: Fitness and Sports

Eating Disorders

Undernutrition Throughout the World

Safety of Our Food Supply

Nutrition During Pregnancy and Breastfeeding

Nutrition From Infancy Through Adolescence

Nutrition During Adulthood

Filters