Question 1

Identify three ways vitamin D helps to maintain blood concentrations of calcium and phosphorus.

Accepted Answer

The answer of Identify three ways vitamin D helps to...

Question 2

The fat-soluble vitamins:

Accepted Answer

A) are less stable than the water-soluble vitamins. 
B) are first absorbed into the lymph. 
C) are usually constituents of coenzymes. 
D) are not essential. 
A) are less stable than the water-soluble vitamins. 
B) are first absorbed into the lymph. 
C) are usually constituents of coenzymes. 
D) are not essential.

Question 3

Vitamin B6:

Accepted Answer

A) does not play a role in the metabolism of energy-yielding nutrients. 
B) helps to regulate blood glucose. 
C) is absorbed like the fat-soluble vitamins. 
D) is only found in animal foods. 
A) does not play a role in the metabolism of energy-yielding nutrients. 
B) helps to regulate blood glucose. 
C) is absorbed like the fat-soluble vitamins. 
D) is only found in animal foods.

Question 4

Studies suggest that a diet rich in carotenoids is associated with a lower risk of:

Accepted Answer

A) diabetes. 
B) arthritis. 
C) heart disease. 
D) osteoporosis. 
A) diabetes. 
B) arthritis. 
C) heart disease. 
D) osteoporosis.

Question 5

Vitamin A is involved in all of the following except:

Accepted Answer

A) maintaining healthy epithelial tissues. 
B) maintaining healthy eye tissues. 
C) fighting infection. 
D) releasing energy from the energy-yielding nutrients. 
A) maintaining healthy epithelial tissues. 
B) maintaining healthy eye tissues. 
C) fighting infection. 
D) releasing energy from the energy-yielding nutrients.

Question 6

A dietary deficiency of vitamin A can produce:

Accepted Answer

A) rickets. 
B) night blindness. 
C) a prolonged blood-clotting time. 
D) sensitivity to light. 
A) rickets. 
B) night blindness. 
C) a prolonged blood-clotting time. 
D) sensitivity to light.

Question 7

Matching

Accepted Answer

1.l
2.g
3.e
4.m
5.j
6.f
7.i
8.

Question 8

Vitamin E deficiency causes:

Accepted Answer

A) xerophthalmia. 
B) rickets. 
C) erythrocyte hemolysis. 
D) osteomalacia. 
A) xerophthalmia. 
B) rickets. 
C) erythrocyte hemolysis. 
D) osteomalacia.

Question 9

An excess of vitamin _____ can cause excess calcium withdrawal from the bones.

Accepted Answer

A) A 
B) B6 
C) B12 
D) C 
E) D 
A) A 
B) B6 
C) B12 
D) C 
E) D

Question 10

Which of the following statements about fat-soluble vitamins is false?

Accepted Answer

A) They are readily excreted from the body when consumed in excess. 
B) They must be bound to proteins to travel in the blood. 
C) They may be consumed less frequently than the water-soluble vitamins. 
D) They may accumulate to toxic levels in the body. 
A) They are readily excreted from the body when consumed in excess. 
B) They must be bound to proteins to travel in the blood. 
C) They may be consumed less frequently than the water-soluble vitamins. 
D) They may accumulate to toxic levels in the body.

Question 11

Absorption of _____ requires the presence of intrinsic factor.

Accepted Answer

A) vitamin B6 
B) vitamin D 
C) vitamin B12 
D) vitamin A 
A) vitamin B6 
B) vitamin D 
C) vitamin B12 
D) vitamin A

Question 12

What can be concluded from the results of research on vitamin E supplementation?

Accepted Answer

A) There is not enough evidence to recommend taking supplements to prevent heart disease. 
B) Sufficient evidence exists to recommend that everyone over 40 should take a supplement. 
C) Large doses are more beneficial than low doses. 
D) All people who have had a heart attack should take a supplement. 
A) There is not enough evidence to recommend taking supplements to prevent heart disease. 
B) Sufficient evidence exists to recommend that everyone over 40 should take a supplement. 
C) Large doses are more beneficial than low doses. 
D) All people who have had a heart attack should take a supplement.

Question 13

After 30 minutes of sun exposure, which of the following people would have synthesized more vitamin D?

Accepted Answer

A) a light-skinned person 
B) a dark-skinned person 
C) neither, because skin pigmentation is not related to vitamin D synthesis 
D) they would both synthesize the same amount 
A) a light-skinned person 
B) a dark-skinned person 
C) neither, because skin pigmentation is not related to vitamin D synthesis 
D) they would both synthesize the same amount

Question 14

Which form of vitamin A is involved in gene expression?

Accepted Answer

A) retinoic acid 
B) retinol 
C) retinal 
D) retinol-binding protein 
A) retinoic acid 
B) retinol 
C) retinal 
D) retinol-binding protein

Question 15

Ascorbic acid is another name for:

Accepted Answer

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

Question 16

How are vitamins similar to carbohydrates, fats, and proteins?

Accepted Answer

A) typical roles in the body 
B) organic nature 
C) chemical structure 
D) amounts required in the diet 
A) typical roles in the body 
B) organic nature 
C) chemical structure 
D) amounts required in the diet

Question 17

The first signs of vitamin C deficiency appear in the:

Accepted Answer

A) blood vessels. 
B) bones. 
C) hair. 
D) fingernails. 
A) blood vessels. 
B) bones. 
C) hair. 
D) fingernails.

Question 18

Many of the symptoms of vitamin A deficiency, such as blindness and an increase in respiratory infections, are related to the role of vitamin A in:

Accepted Answer

A) blood clotting. 
B) synthesis of visual pigments. 
C) maintaining the epithelial cells. 
D) synthesis of hormones. 
A) blood clotting. 
B) synthesis of visual pigments. 
C) maintaining the epithelial cells. 
D) synthesis of hormones.

Question 19

The major role of vitamin E in the body seems to be to:

Accepted Answer

A) aid in normal blood clotting. 
B) act as an antioxidant. 
C) aid in formation of normal epithelial tissue. 
D) aid in protein metabolism. 
E) prevent skin cancer. 
A) aid in normal blood clotting. 
B) act as an antioxidant. 
C) aid in formation of normal epithelial tissue. 
D) aid in protein metabolism. 
E) prevent skin cancer.

Question 20

Overconsumption of the water-soluble vitamins will likely result in:

Accepted Answer

A) a reserve supply, which will aid in the prevention of colds and infections. 
B) no apparent change, because they are stored in the adipose tissues. 
C) no apparent change, because they are excreted. 
D) toxic accumulation in the liver. 
A) a reserve supply, which will aid in the prevention of colds and infections. 
B) no apparent change, because they are stored in the adipose tissues. 
C) no apparent change, because they are excreted. 
D) toxic accumulation in the liver.

Exam 8: The Vitamins

Identify three ways vitamin D helps to maintain blood concentrations of calcium and phosphorus.

The fat-soluble vitamins:

Vitamin B6:

Studies suggest that a diet rich in carotenoids is associated with a lower risk of:

Vitamin A is involved in all of the following except:

A dietary deficiency of vitamin A can produce:

Matching

Vitamin E deficiency causes:

An excess of vitamin _____ can cause excess calcium withdrawal from the bones.

Which of the following statements about fat-soluble vitamins is false?

Absorption of _____ requires the presence of intrinsic factor.

What can be concluded from the results of research on vitamin E supplementation?

After 30 minutes of sun exposure, which of the following people would have synthesized more vitamin D?

Which form of vitamin A is involved in gene expression?

Ascorbic acid is another name for:

How are vitamins similar to carbohydrates, fats, and proteins?

The first signs of vitamin C deficiency appear in the:

Many of the symptoms of vitamin A deficiency, such as blindness and an increase in respiratory infections, are related to the role of vitamin A in:

The major role of vitamin E in the body seems to be to:

Overconsumption of the water-soluble vitamins will likely result in:

Overview of Nutrition and Health

Digestion and Absorption

Carbohydrates

Lipids

Protein

Energy Balance and Body Composition

Weight Management

Water and the Minerals

Nutrition Through the Life Span: Pregnancy and Infancy

Nutrition Through the Life Span: Childhood and Adolescence

Nutrition Through the Life Span: Later Adulthood

Nutrition Care and Assessment

Nutrition Intervention and Diet-Drug Interactions

Enteral and Parenteral Nutrition Support

Nutrition in Metabolic and Respiratory Stress

Nutrition and Upper Gastrointestinal Disorders

Nutrition and Lower Gastrointestinal Disorders

Nutrition and Liver Diseases

Nutrition and Diabetes Mellitus

Nutrition and Disorders of the Heart and Blood Vessels

Nutrition and Renal Diseases

Nutrition, Cancer, and Hiv Infection

Filters

Vitamin B₆: