Question 1

Keratomalacia most severely effects the:

Accepted Answer

A) eyes. 
B) liver. 
C) skin. 
D) tongue. 
A) eyes. 
B) liver. 
C) skin. 
D) tongue.

Question 2

Vitamin E is essential for:

Accepted Answer

A) fertility. 
B) the prevention of rashes. 
C) the healing of scars. 
D) bone formation. 
A) fertility. 
B) the prevention of rashes. 
C) the healing of scars. 
D) bone formation.

Question 3

The carotenoid with the most vitamin A activity is ____________.

Accepted Answer

A) beta-carotene 
B) alpha-carotene 
C) beta-cryptoxanthin 
D) lycopene 
A) beta-carotene 
B) alpha-carotene 
C) beta-cryptoxanthin 
D) lycopene

Question 4

Vitamin E deficiency in the U.S.is most likely to be a problem in:

Accepted Answer

A) older adults. 
B) premature infants. 
C) teenagers. 
D) pregnant women. 
A) older adults. 
B) premature infants. 
C) teenagers. 
D) pregnant women.

Question 5

Which statement about cholecalciferol is FALSE?

Accepted Answer

A) It is the chemical name for vitamin D3. 
B) It is formed in the skin of humans by exposure to sunlight. 
C) It is derived from cholesterol. 
D) It is destroyed by UV light. 
A) It is the chemical name for vitamin D3. 
B) It is formed in the skin of humans by exposure to sunlight. 
C) It is derived from cholesterol. 
D) It is destroyed by UV light.

Question 6

Beta-carotene is LEAST plentiful in which food?

Accepted Answer

A) Mangos 
B) Mustard greens 
C) Kiwis 
D) Carrots 
A) Mangos 
B) Mustard greens 
C) Kiwis 
D) Carrots

Question 7

Which of the following carotenoids has vitamin A activity in the body?

Accepted Answer

A) Zeaxanthin 
B) Lycopene 
C) Lutein 
D) Alpha-carotene 
A) Zeaxanthin 
B) Lycopene 
C) Lutein 
D) Alpha-carotene

Question 8

Which statement about canned vegetables is FALSE?

Accepted Answer

A) Canning exposes vegetables to high temperatures,reducing their nutrient content. 
B) Canned vegetables are typically high in salt. 
C) Canned vegetables have a very long shelf life. 
D) Current dietary recommendations are to rarely,if ever,consume canned vegetables. 
A) Canning exposes vegetables to high temperatures,reducing their nutrient content. 
B) Canned vegetables are typically high in salt. 
C) Canned vegetables have a very long shelf life. 
D) Current dietary recommendations are to rarely,if ever,consume canned vegetables.

Question 9

When consumption of __________is insufficient,vitamin A absorption is decreased.

Accepted Answer

A) protein 
B) fat 
C) carbohydrate 
D) water 
A) protein 
B) fat 
C) carbohydrate 
D) water

Question 10

What is the purpose of retinol activity equivalents?

Accepted Answer

A) To provide a factor for converting a quantity of carotenoids to an equivalent amount of vitamin A. 
B) To determine the amount of vitamin A lost in processing. 
C) To quantify the decrease in vitamin A function due to exercise or activity. 
D) To estimate the bioavailability of vitamin A from different food sources. 
A) To provide a factor for converting a quantity of carotenoids to an equivalent amount of vitamin A. 
B) To determine the amount of vitamin A lost in processing. 
C) To quantify the decrease in vitamin A function due to exercise or activity. 
D) To estimate the bioavailability of vitamin A from different food sources.

Question 11

The primary function of vitamin D in the body is to:

Accepted Answer

A) prevent anemia. 
B) regulate calcium and phosphorus levels. 
C) modulate iron levels. 
D) support night vision. 
A) prevent anemia. 
B) regulate calcium and phosphorus levels. 
C) modulate iron levels. 
D) support night vision.

Question 12

The best way to increase antioxidant intake is to:

Accepted Answer

A) eat more fruits,vegetables,and whole grains. 
B) eat more meat. 
C) consume more dairy foods. 
D) take an antioxidant-containing supplement. 
A) eat more fruits,vegetables,and whole grains. 
B) eat more meat. 
C) consume more dairy foods. 
D) take an antioxidant-containing supplement.

Question 13

Which transports preformed vitamin A from liver stores to tissues?

Accepted Answer

A) Carotenoid circulating factor 
B) Chylomicrons 
C) Opsin 
D) Retinol binding protein 
A) Carotenoid circulating factor 
B) Chylomicrons 
C) Opsin 
D) Retinol binding protein

Question 14

Which is NOT considered a good dietary source of vitamin E?

Accepted Answer

A) Fortified breakfast cereals 
B) Soybean oil 
C) Peanuts 
D) Dark orange and yellow vegetables 
A) Fortified breakfast cereals 
B) Soybean oil 
C) Peanuts 
D) Dark orange and yellow vegetables

Question 15

African Americans are at increased risk of vitamin D deficiency for all of the following reasons EXCEPT:

Accepted Answer

A) their darkly pigmented skin filters out more light. 
B) they spend less time in the sun than people of other ethnic backgrounds. 
C) they consume less milk. 
D) they have a higher incidence of lactose intolerance. 
A) their darkly pigmented skin filters out more light. 
B) they spend less time in the sun than people of other ethnic backgrounds. 
C) they consume less milk. 
D) they have a higher incidence of lactose intolerance.

Question 16

The actions of vitamin D do NOT include:

Accepted Answer

A) regulating thyroid hormone synthesis. 
B) stimulating intestinal calcium absorption. 
C) breaking down of bone to release calcium into the blood. 
D) increasing calcium reabsorption by the kidneys. 
A) regulating thyroid hormone synthesis. 
B) stimulating intestinal calcium absorption. 
C) breaking down of bone to release calcium into the blood. 
D) increasing calcium reabsorption by the kidneys.

Question 17

A condition in which carotenoids accumulate in adipose tissue causing skin discoloration is:

Accepted Answer

A) related to acute toxicity. 
B) caused by eating egg yolks. 
C) called hypercarotenemia. 
D) related to jaundice,when the whites of the eyes turn yellow. 
A) related to acute toxicity. 
B) caused by eating egg yolks. 
C) called hypercarotenemia. 
D) related to jaundice,when the whites of the eyes turn yellow.

Question 18

Xerophthalmia occurs from:

Accepted Answer

A) high intake of preformed vitamin A. 
B) vitamin A deficiency. 
C) low intake of carrots. 
D) excess consumption of cow's milk. 
A) high intake of preformed vitamin A. 
B) vitamin A deficiency. 
C) low intake of carrots. 
D) excess consumption of cow's milk.

Question 19

Which statement about frozen foods is incorrect?

Accepted Answer

A) Freezing vegetables causes nutrient losses. 
B) Fresh produce in grocery stores always has higher nutrient content than frozen produce. 
C) Produce is often frozen in the fields where it is grown. 
D) Freezing slows the loss of nutrients caused by exposure to heat,light and air. 
A) Freezing vegetables causes nutrient losses. 
B) Fresh produce in grocery stores always has higher nutrient content than frozen produce. 
C) Produce is often frozen in the fields where it is grown. 
D) Freezing slows the loss of nutrients caused by exposure to heat,light and air.

Question 20

When vitamin A is deficient,all of the following occur EXCEPT:

Accepted Answer

A) new epithelial cells do not differentiate properly. 
B) epithelial cells produce a hard protein found in hair and fingernails. 
C) epithelial cells produce too much mucus. 
D) the likelihood of infection is increased. 
A) new epithelial cells do not differentiate properly. 
B) epithelial cells produce a hard protein found in hair and fingernails. 
C) epithelial cells produce too much mucus. 
D) the likelihood of infection is increased.

Exam 9: The Fat-Soluble Vitamins

Keratomalacia most severely effects the:

Vitamin E is essential for:

The carotenoid with the most vitamin A activity is ____________.

Vitamin E deficiency in the U.S.is most likely to be a problem in:

Which statement about cholecalciferol is FALSE?

Beta-carotene is LEAST plentiful in which food?

Which of the following carotenoids has vitamin A activity in the body?

Which statement about canned vegetables is FALSE?

When consumption of __________is insufficient,vitamin A absorption is decreased.

What is the purpose of retinol activity equivalents?

The primary function of vitamin D in the body is to:

The best way to increase antioxidant intake is to:

Which transports preformed vitamin A from liver stores to tissues?

Which is NOT considered a good dietary source of vitamin E?

African Americans are at increased risk of vitamin D deficiency for all of the following reasons EXCEPT:

The actions of vitamin D do NOT include:

A condition in which carotenoids accumulate in adipose tissue causing skin discoloration is:

Xerophthalmia occurs from:

Which statement about frozen foods is incorrect?

When vitamin A is deficient,all of the following occur EXCEPT:

Nutrition: Food for Health

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

Lipids

Proteins and Amino Acids

Energy Balance and Weight Management

The Water-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Elements

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 Biotechnology

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Supplements

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