Question 1

Generally, fat-soluble vitamins will be found in foods such as _____.

Accepted Answer

A)   ​oranges and strawberries
B)   ​whole milk and eggs
C)   ​potatoes and carrots
D)   ​lettuce and spinach
E)   ​root vegetables and riceF) A) and C)
G) B) and D)

Question 2

The fat-soluble vitamins _____.

Accepted Answer

A)   ​are less stable than the water-soluble vitamins
B)   ​are absorbed like fats
C)   ​are usually constituents of coenzymes
D)   ​are not essential
E)   ​are only found in animal products like meat and eggsF) B) and E)
G) A) and C)

Question 3

The main function of vitamin D in bone growth is to _____.

Accepted Answer

A)   ​synthesize 7-dehydrocholesterol
B)   ​assist in the absorption of calcium and phosphorus
C)   ​mobilize calcium from the bone
D)   ​secrete calcitonin
E)   ​assist in the absorption of vitamin AF) D) and E)
G) C) and D)

Question 4

The active form of vitamin A that functions in vision is _____.

Accepted Answer

A)   ​opsin
B)   ​retinol
C)   ​retinal
D)   ​retinoic acid
E)   ​tryptophanF) A) and B)
G) A) and C)

Question 5

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

Accepted Answer

A)   ​a light-skinned person
B)   ​a dark-skinned person
C)   ​a young child
D)   ​an older person
E)   ​a pregnant womanF) B) and C)
G) B) and D)

Question 6

The first signs of vitamin C deficiency appear in the _____.

Accepted Answer

A)   ​blood vessels
B)   ​bones
C)   ​hair
D)   ​fingernails
E)   ​irisesF) B) and E)
G) A) and C)

Question 7

Which statement describes niacin?

Accepted Answer

A)   ​It can be synthesized in the body from the amino acid tryptophan.
B)   ​It can be used successfully to cure schizophrenia.
C)   ​It is water soluble and therefore safe to administer in large doses.
D)   ​It is an antioxidant.
E)   ​It is a fat-soluble vitamin.F) C) and D)
G) A) and B)

Question 8

Which food group is the best source of beta-carotene?

Accepted Answer

A)   ​meat group
B)   ​milk group
C)   ​vegetable group
D)   ​grain group
E)   ​fish groupF) A) and B)
G) None of the above

Question 9

Potatoes provide about half of the vitamin C consumed by Americans.

Accepted Answer

A) True 
 B)False

Question 10

It is not absolutely necessary to consume the fat-soluble vitamins every day because they _____.

Accepted Answer

A)   ​would just be excreted from the body
B)   ​are only absorbed in limited amounts
C)   ​can be stored in the body for future use
D)   ​would reach toxic amounts in the body
E)   ​are not as important as water-soluble vitaminsF) A) and E)
G) A) and D)

Question 11

Regarding vitamin E supplementation, scientists have concluded that _____.

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
E)   ​Vitamin E, in conjunction with fish oils, will prevent most cancersF) C) and D)
G) All of the above

Question 12

Matching
-pellagra

Accepted Answer

A)  a compound that protects other compounds from oxygen by itself reacting with oxygen
B)  a bone disease characterized by softening of the bones
C)  a metabolic disease in which crystals of uric acid precipitate in the joints
D)  highly reactive chemical forms that can cause destructive changes in nearby compounds, sometimes setting up a chain reaction
E)  rupture of the red blood cells, caused by vitamin E deficiencyF) the vitamin K-deficiency disease in which blood fails to clotG) the thiamin-deficiency diseaseH) the niacin-deficiency diseaseI) malformations of the brain, spinal cord, or both during embryonic developmentJ) the amount of niacin present in food, including the niacin that can theoretically be made from tryptophan, its precursor, present in the foodK) E) and I)
L) F) and H)

Question 13

Which vitamin is synthesized by intestinal bacteria?

Accepted Answer

A)   ​vitamin A
B)   ​vitamin C
C)   ​vitamin K
D)   ​vitamin E
E)   ​vitamin B₁₂F) A) and B)
G) C) and E)

Question 14

Name the antioxidant vitamins and describe how they function in the body.

Accepted Answer

antioxidant vitamins include vitamin C, ...

Question 15

Abuse of alcohol may lead to a severe form of thiamin deficiency called _____.

Accepted Answer

A)   ​beriberi
B)   ​Wernicke-Korsakoff syndrome
C)   ​pellagra
D)   ​rickets
E)   ​fortificationF) B) and D)
G) D) and E)

Question 16

Because of their inorganic nature, vitamins can be destroyed during storage and in cooking and must be handled with care.

Accepted Answer

A) True 
 B)False

Question 17

Vitamin E deficiency causes _____.

Accepted Answer

A)   ​xerophthalmia
B)   ​rickets
C)   ​erythrocyte hemolysis
D)   ​osteomalacia
E)   ​night blindnessF) A) and B)
G) A) and C)

Question 18

Children are most vulnerable to vitamin A toxicity because they need less of it and are more sensitive to overdoses.

Accepted Answer

A) True 
 B)False

Question 19

The major role of vitamin E in the body is to _____.

Accepted Answer

A)   ​aid in normal blood clotting
B)   ​act as an antioxidant
C)   ​aid in formation of normal epithelial tissue
D)   ​act as a coenzyme in protein metabolism
E)   ​aid in formation of new boneF) None of the above
G) A) and E)

Question 20

Identify groups of people who are at risk for vitamin E deficiency, in addition to those with diseases.

Accepted Answer

When blood concentrations of vitamin E f...

Exam 8: The Vitamins

The first signs of vitamin C deficiency appear in the _____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which food group is the best source of beta-carotene?

Correct AnswerverifiedShow Answer

Because of their inorganic nature, vitamins can be destroyed during storage and in cooking and must be handled with care.

Correct AnswerverifiedShow Answer

The active form of vitamin A that functions in vision is _____.

Correct AnswerverifiedShow Answer

Which statement describes niacin?

Correct AnswerverifiedShow Answer

The major role of vitamin E in the body is to _____.

Correct AnswerverifiedShow Answer

Regarding vitamin E supplementation, scientists have concluded that _____.

Correct AnswerverifiedShow Answer

Children are most vulnerable to vitamin A toxicity because they need less of it and are more sensitive to overdoses.

Correct AnswerverifiedShow Answer

Potatoes provide about half of the vitamin C consumed by Americans.

Correct AnswerverifiedShow Answer

It is not absolutely necessary to consume the fat-soluble vitamins every day because they _____.

Correct AnswerverifiedShow Answer

Which vitamin is synthesized by intestinal bacteria?

Correct AnswerverifiedShow Answer

The main function of vitamin D in bone growth is to _____.

Correct AnswerverifiedShow Answer

Vitamin E deficiency causes _____.

Correct AnswerverifiedShow Answer

Abuse of alcohol may lead to a severe form of thiamin deficiency called _____.

Correct AnswerverifiedShow Answer

Name the antioxidant vitamins and describe how they function in the body.

Correct Answerverifiedantioxidant vitamins include vitamin C, ...View AnswerShow Answer

Matching -pellagra

Correct AnswerverifiedShow Answer

Generally, fat-soluble vitamins will be found in foods such as _____.

Correct AnswerverifiedShow Answer

The fat-soluble vitamins _____.

Correct AnswerverifiedShow Answer

Identify groups of people who are at risk for vitamin E deficiency, in addition to those with diseases.

Correct AnswerverifiedWhen blood concentrations of vitamin E f...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
antioxidant vitamins include vitamin C, ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
When blood concentrations of vitamin E f...
View Answer