Question 1

A vitamin D-deficiency disease in adults which is characterized by weak or soft bones is called:

Accepted Answer

A) keratomalacia. 
B) osteomalacia. 
C) rickets. 
D) osteoporosis. 
A) keratomalacia. 
B) osteomalacia. 
C) rickets. 
D) osteoporosis.

Question 2

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 3

Reduced consumption of fruits and vegetables,tends to decrease intake of all of the following fat-soluble vitamins EXCEPT vitamin _____.

Accepted Answer

A) A 
B) D 
C) E 
D) K 
A) A 
B) D 
C) E 
D) K

Question 4

In the liver,vitamin E is incorporated into _______ and from there delivered to cells.

Accepted Answer

A) LDLs 
B) VLDLs 
C) chylomicrons 
D) HDLs 
A) LDLs 
B) VLDLs 
C) chylomicrons 
D) HDLs

Question 5

Which statement about the stability of vitamin E is FALSE?

Accepted Answer

A) It can be destroyed when oil is repeatedly heated to high temperatures. 
B) It is destroyed by exposure to oxygen. 
C) It is sensitive to light. 
D) It is often completely destroyed in the normal cooking process. 
A) It can be destroyed when oil is repeatedly heated to high temperatures. 
B) It is destroyed by exposure to oxygen. 
C) It is sensitive to light. 
D) It is often completely destroyed in the normal cooking process.

Question 6

The primary function of vitamin E is:

Accepted Answer

A) to act as an antioxidant. 
B) to increase absorption of calcium in the small intestine. 
C) to regulate acid-base balance. 
D) to regulate glucose levels. 
A) to act as an antioxidant. 
B) to increase absorption of calcium in the small intestine. 
C) to regulate acid-base balance. 
D) to regulate glucose levels.

Question 7

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 8

Since vitamin A and carotenoids are bound to proteins in foods,___________ is necessary to release them for absorption.

Accepted Answer

A) pepsin 
B) bile 
C) amylase 
D) lactase 
A) pepsin 
B) bile 
C) amylase 
D) lactase

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

Vitamin D regulates ________ and _________ balance in the body.

Accepted Answer

A) calcium; phosphorus 
B) energy; fat 
C) sodium; potassium 
D) estrogen; progesterone 
A) calcium; phosphorus 
B) energy; fat 
C) sodium; potassium 
D) estrogen; progesterone

Question 11

Which is true regarding vitamin E in the diet?

Accepted Answer

A) Natural alpha-tocopherol is about twice as active as the synthetic type. 
B) Vitamin E in supplements is identical to the naturally occurring vitamin in foods. 
C) Most nutrition facts panels underestimate the amount of functional vitamin E. 
D) Several naturally occurring forms of vitamin E in foods can be converted with similar efficiencies to the active form of the vitamin. 
A) Natural alpha-tocopherol is about twice as active as the synthetic type. 
B) Vitamin E in supplements is identical to the naturally occurring vitamin in foods. 
C) Most nutrition facts panels underestimate the amount of functional vitamin E. 
D) Several naturally occurring forms of vitamin E in foods can be converted with similar efficiencies to the active form of the vitamin.

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 of the following is not a role of vitamin E?

Accepted Answer

A) Protects membranes 
B) Maintains the integrity of red blood cells 
C) Protects against some environmental pollutants 
D) Prevents blood clotting 
A) Protects membranes 
B) Maintains the integrity of red blood cells 
C) Protects against some environmental pollutants 
D) Prevents blood clotting

Question 14

Excessive intake of vitamin A from supplements could cause all of the following EXCEPT:

Accepted Answer

A) liver damage. 
B) birth defects. 
C) increased incidence of bone fracture. 
D) acne. 
A) liver damage. 
B) birth defects. 
C) increased incidence of bone fracture. 
D) acne.

Question 15

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 16

Which vitamin is referred to as the "sunshine vitamin"?

Accepted Answer

A) A 
B) D 
C) E 
D) K 
A) A 
B) D 
C) E 
D) K

Question 17

Which fat soluble vitamin can be synthesized by intestinal bacteria?

Accepted Answer

A) Vitamin A 
B) Vitamin D 
C) Vitamin E 
D) Vitamin K 
A) Vitamin A 
B) Vitamin D 
C) Vitamin E 
D) Vitamin K

Question 18

A vitamin D-deficiency syndrome characterized by bone deformities in children is called:

Accepted Answer

A) rickets. 
B) xerophthalmia. 
C) scurvy. 
D) osteomalacia. 
A) rickets. 
B) xerophthalmia. 
C) scurvy. 
D) osteomalacia.

Question 19

Fat soluble vitamins are transported from the intestine within ______________.

Accepted Answer

A) chylomicrons 
B) VLDLs 
C) LDLs 
D) HDLs 
A) chylomicrons 
B) VLDLs 
C) LDLs 
D) HDLs

Question 20

As the intake of polyunsaturated fats increases,the need for vitamin E:

Accepted Answer

A) increases. 
B) decreases. 
C) changes in complex ways determined according to intake of antioxidant nutrients. 
D) There is no known relationship. 
A) increases. 
B) decreases. 
C) changes in complex ways determined according to intake of antioxidant nutrients. 
D) There is no known relationship.

Exam 9: The Fat-Soluble Vitamins

A vitamin D-deficiency disease in adults which is characterized by weak or soft bones is called:

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

Reduced consumption of fruits and vegetables,tends to decrease intake of all of the following fat-soluble vitamins EXCEPT vitamin _____.

In the liver,vitamin E is incorporated into _______ and from there delivered to cells.

Which statement about the stability of vitamin E is FALSE?

The primary function of vitamin E is:

The carotenoid with the most vitamin A activity is ____________.

Since vitamin A and carotenoids are bound to proteins in foods,___________ is necessary to release them for absorption.

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

Vitamin D regulates ________ and _________ balance in the body.

Which is true regarding vitamin E in the diet?

The best way to increase antioxidant intake is to:

Which of the following is not a role of vitamin E?

Excessive intake of vitamin A from supplements could cause all of the following EXCEPT:

Xerophthalmia occurs from:

Which vitamin is referred to as the "sunshine vitamin"?

Which fat soluble vitamin can be synthesized by intestinal bacteria?

A vitamin D-deficiency syndrome characterized by bone deformities in children is called:

Fat soluble vitamins are transported from the intestine within ______________.

As the intake of polyunsaturated fats increases,the need for vitamin E:

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 Water-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

Vitamin D regulates and _ balance in the body.