Question 1

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 2

Which statement about fat soluble vitamins is FALSE?

Accepted Answer

A) They can function in the control of gene expression. 
B) Fat soluble vitamins are only found in plant-based foods. 
C) Intake can vary without risking deficiency as long as the average intake is adequate. 
D) After absorption,they are transported in the lymphatic system. 
A) They can function in the control of gene expression. 
B) Fat soluble vitamins are only found in plant-based foods. 
C) Intake can vary without risking deficiency as long as the average intake is adequate. 
D) After absorption,they are transported in the lymphatic system.

Question 3

______ is necessary for proper vitamin A transport and metabolism.

Accepted Answer

A) Calcium 
B) Iron 
C) Phosphorus 
D) Zinc 
A) Calcium 
B) Iron 
C) Phosphorus 
D) Zinc

Question 4

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 5

Children in developing nations are most likely to develop deficiency symptoms associated with which vitamin?

Accepted Answer

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

Question 6

Vitamin A is stable EXCEPT when exposed to:

Accepted Answer

A) heat. 
B) light and oxygen. 
C) cold temperatures such as in a refrigerator. 
D) fat. 
A) heat. 
B) light and oxygen. 
C) cold temperatures such as in a refrigerator. 
D) fat.

Question 7

Retin A and Acutane,derived from vitamin A,can do all of the following EXCEPT:

Accepted Answer

A) reduce skin wrinkles. 
B) treat acne. 
C) increase epithelial cell turnover. 
D) prevent one from getting the flu. 
A) reduce skin wrinkles. 
B) treat acne. 
C) increase epithelial cell turnover. 
D) prevent one from getting the flu.

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

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 10

___________ is a visual pigment that helps transform light energy into a nerve impulse sent to the brain.

Accepted Answer

A) Retinoic acid 
B) Opsin 
C) Retinal 
D) Rhodopsin 
A) Retinoic acid 
B) Opsin 
C) Retinal 
D) Rhodopsin

Question 11

The action of sunlight on 7-dehydrocholesterol forms:

Accepted Answer

A) cholecalciferol. 
B) retinol. 
C) parathyroid hormone. 
D) 25-hydroxy vitamin D. 
A) cholecalciferol. 
B) retinol. 
C) parathyroid hormone. 
D) 25-hydroxy vitamin D.

Question 12

The food that contains the most vitamin D is:

Accepted Answer

A) whole-wheat bread. 
B) cranberry juice. 
C) peanut oil. 
D) whole milk. 
A) whole-wheat bread. 
B) cranberry juice. 
C) peanut oil. 
D) whole milk.

Question 13

Which form of vitamin A is involved in vision?

Accepted Answer

A) Beta-carotene 
B) Lycopene 
C) Retinal 
D) Retinoic acid 
A) Beta-carotene 
B) Lycopene 
C) Retinal 
D) Retinoic acid

Question 14

____________ is an anticoagulant that interferes with the action of vitamin K.

Accepted Answer

A) Cyclosporin 
B) Aspirin 
C) Dicumarol 
D) Penicillin 
A) Cyclosporin 
B) Aspirin 
C) Dicumarol 
D) Penicillin

Question 15

Vitamin A toxicity occurs most frequently when large amounts of _________ is (are)ingested.

Accepted Answer

A) carrot juice 
B) egg yolks 
C) polar bear liver 
D) preformed vitamin A supplements 
A) carrot juice 
B) egg yolks 
C) polar bear liver 
D) preformed vitamin A supplements

Question 16

Which statement is true about the need for dietary supplements?

Accepted Answer

A) Women of child-bearing age need extra folate. 
B) Supplement use increases overall health in all populations. 
C) Vitamin A should be given in high doses to the elderly. 
D) Vegans usually need supplements of Vitamin A. 
A) Women of child-bearing age need extra folate. 
B) Supplement use increases overall health in all populations. 
C) Vitamin A should be given in high doses to the elderly. 
D) Vegans usually need supplements of Vitamin A.

Question 17

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 18

Fat soluble vitamins require _______ and _______ for absorption into intestinal cells.

Accepted Answer

A) bile and lymph 
B) lymph and dietary fat 
C) lymph and chylomicrons 
D) bile and dietary fat 
A) bile and lymph 
B) lymph and dietary fat 
C) lymph and chylomicrons 
D) bile and dietary fat

Question 19

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 20

Which vitamin has the best known role in cell differentiation?

Accepted Answer

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

Exam 9: The Fat-Soluble Vitamins

The primary function of vitamin E is:

Which statement about fat soluble vitamins is FALSE?

______ is necessary for proper vitamin A transport and metabolism.

Which fat soluble vitamin can be synthesized by intestinal bacteria?

Children in developing nations are most likely to develop deficiency symptoms associated with which vitamin?

Vitamin A is stable EXCEPT when exposed to:

Retin A and Acutane,derived from vitamin A,can do all of the following EXCEPT:

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

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

___________ is a visual pigment that helps transform light energy into a nerve impulse sent to the brain.

The action of sunlight on 7-dehydrocholesterol forms:

The food that contains the most vitamin D is:

Which form of vitamin A is involved in vision?

____________ is an anticoagulant that interferes with the action of vitamin K.

Vitamin A toxicity occurs most frequently when large amounts of _________ is (are)ingested.

Which statement is true about the need for dietary supplements?

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

Fat soluble vitamins require _______ and _______ for absorption into intestinal cells.

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

Which vitamin has the best known role in cell differentiation?

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

Filters

Fat soluble vitamins require _ and _ for absorption into intestinal cells.