Question 1

Which of the following proteins is responsible for transporting vitamin A from the liver to other tissues?

Accepted Answer

A)   albumin
B)   rhodopsin
C)   retinol-binding protein
D)   transcarotenoid protein
E)   RBCF) A) and B)
G) All of the above

Question 2

Which of the following is a good source of vitamin K?

Accepted Answer

A)   pumpkin seeds
B)   bananas
C)   corn
D)   brussel sprouts
E)   egg yolksF) All of the above
G) C) and D)

Question 3

What happens to an animal raised on retinoic acid as its only source of vitamin A?

Accepted Answer

A)   It becomes blind.
B)   It cannot reproduce.
C)   Its growth is stunted.
D)   It grows to an abnormally large size.
E)   It produces more offspring.F) A) and B)
G) C) and E)

Question 4

Which of the following nutrients did researchers recognize first?

Accepted Answer

A)   vitamin D
B)   vitamin K
C)   calcitriol
D)   vitamin A
E)   vitamin EF) C) and D)
G) B) and E)

Question 5

Risk for toxicity is greater for ______ vitamins because they are not easily _________

Accepted Answer

A)   water-soluble, absorbed
B)   fat-soluble, excreted
C)   B, destroyed
D)   cooked, metabolized
E)   uncooked, digestedF) D) and E)
G) A) and E)

Question 6

Retinol-binding protein picks up vitamin A from the ________ and carries it to the blood.

Accepted Answer

A)   intestines
B)   kidneys
C)   liver
D)   pancreas
E)   gallbladderF) A) and D)
G) A) and C)

Question 7

Peak bone mass is developed by age ________.

Accepted Answer

A)   5
B)   10
C)   15
D)   30
E)   60F) D) and E)
G) A) and B)

Question 8

What effect does vitamin A have on acne?

Accepted Answer

Adolescents need to know that massive do...

Question 9

The active vitamin E compound is ____________________.

Accepted Answer

The answer of The active vitamin E compound is ____________________....

Question 10

If a normal, healthy adult stopped eating vitamin A-containing foods, deficiency symptoms would begin to appear in about ________.

Accepted Answer

A)   6 weeks
B)   2 to 3 months
C)   3 to 6 months
D)   6 months to 1 year
E)   1 to 2 yearsF) A) and B)
G) D) and E)

Question 11

Vitamin D's specific role in bone health is to assist in ________.

Accepted Answer

A)   the secretion of calciol
B)   the synthesis of 7-dehydrocholesterol
C)   the synthesis of carotenoids
D)   calcium and phosphorus absorption and calcium mobilization from bone
E)   converting magnesium and fluoride to more readily absorbable compoundsF) C) and D)
G) A) and E)

Question 12

At birth, a single dose of vitamin ________ is given by intramuscular injection.

Accepted Answer

A)   A
B)   D  2 
C)   D  3 
D)   E
E)   KF) All of the above
G) A) and B)

Question 13

Which of the following accurately describes vitamin D from the sun?

Accepted Answer

A)   Sunscreens with an SPF of 8 or higher increase vitamin D synthesis.
B)   Only about one-half of the world's population relies on sunlight to maintain adequate vitamin D nutrition.
C)   Prolonged exposure to sunlight degrades the vitamin D precursor in skin, thus preventing vitamin D toxicity.
D)   For someone living in Chicago, vitamin D stores from the summer months are usually sufficient to meet the needs during the winter.
E)   Pigments in dark skins increase vitamin D synthesis.F) A) and B)
G) B) and D)

Question 14

Which of the following statements about vitamin D's role in the body is FALSE?

Accepted Answer

A)   Adequate intake slows the progression of Parkinson's disease.
B)   Evidence shows supplementation has health benefits beyond correcting deficiencies.
C)   It signals cells of the immune system to defend against infectious diseases.
D)   Gene activity that regulates cell growth is enhanced or suppressed.
E)   It may protect against hypertension, inflammation, and type 2 diabetes.F) B) and C)
G) C) and D)

Question 15

Pigments found in plants responsible for the color changes in autumn leaves are ________.

Accepted Answer

xanthopylls

Question 16

What is the alcohol form of vitamin A?

Accepted Answer

A)   retinal
B)   beta-carotene
C)   retinol
D)   retinoic
E)   alpha-caroteneF) A) and C)
G) A) and B)

Question 17

Which of the following is a light-sensitive pigment found within the retina?

Accepted Answer

A)   rhodopsin
B)   opsin
C)   melanin
D)   chlorophyll
E)   xanthophyllsF) C) and E)
G) A) and D) A

Question 18

Which is the least toxic of the fat-soluble vitamins?

Accepted Answer

A)   A
B)   E
C)   K
D)   D  2 
E)   D  3 F) A) and B)
G) C) and E)

Question 19

Explain the potential difficulties in obtaining the recommended amounts of vitamin D from the sun.

Accepted Answer

Most of the world's population relies on...

Question 20

Pigments founds in plants and animals, some of which have vitamin A activity are ________.

Accepted Answer

carotenoids

Exam 11: The Fat-Soluble Vitamins: A, D, E, and K

Which of the following proteins is responsible for transporting vitamin A from the liver to other tissues?

Correct AnswerverifiedShow Answer

Which of the following is a good source of vitamin K?

Correct AnswerverifiedShow Answer

What happens to an animal raised on retinoic acid as its only source of vitamin A?

Correct AnswerverifiedShow Answer

Which of the following nutrients did researchers recognize first?

Correct AnswerverifiedShow Answer

Risk for toxicity is greater for ______ vitamins because they are not easily _________

Correct AnswerverifiedShow Answer

Retinol-binding protein picks up vitamin A from the ________ and carries it to the blood.

Correct AnswerverifiedShow Answer

Peak bone mass is developed by age ________.

Correct AnswerverifiedShow Answer

What effect does vitamin A have on acne?

Correct AnswerverifiedAdolescents need to know that massive do...View AnswerShow Answer

The active vitamin E compound is ____________________.

Correct AnswerverifiedShow Answer

If a normal, healthy adult stopped eating vitamin A-containing foods, deficiency symptoms would begin to appear in about ________.

Correct AnswerverifiedShow Answer

Vitamin D's specific role in bone health is to assist in ________.

Correct AnswerverifiedShow Answer

At birth, a single dose of vitamin ________ is given by intramuscular injection.

Correct AnswerverifiedShow Answer

Which of the following accurately describes vitamin D from the sun?

Correct AnswerverifiedShow Answer

Which of the following statements about vitamin D's role in the body is FALSE?

Correct AnswerverifiedShow Answer

Pigments found in plants responsible for the color changes in autumn leaves are ________.

Correct Answerverifiedxanthopylls

What is the alcohol form of vitamin A?

Correct AnswerverifiedShow Answer

Which of the following is a light-sensitive pigment found within the retina?

Correct AnswerverifiedA

Which is the least toxic of the fat-soluble vitamins?

Correct AnswerverifiedShow Answer

Explain the potential difficulties in obtaining the recommended amounts of vitamin D from the sun.

Correct AnswerverifiedMost of the world's population relies on...View AnswerShow Answer

Pigments founds in plants and animals, some of which have vitamin A activity are ________.

Correct Answerverifiedcarotenoids

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Risk for toxicity is greater for vitamins because they are not easily ___

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Adolescents need to know that massive do...
View Answer

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xanthopylls

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A

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Most of the world's population relies on...
View Answer

Correct Answer
verified
carotenoids