Question 1

Knowing the role of vitamin K in the body,in what organ would you expect to find it in large quantities?

Accepted Answer

A)  Liver
B)  Pancreas
C)  Gallbladder
D)  Small intestineE) All of the above
F) B) and C)

Question 2

Which of the following is NOT a known risk factor for development of rickets in the United States?

Accepted Answer

A)  Obese
B)  Female
C)  African-Americans
D)  Lacto-ovo vegetarianE) All of the above
F) A) and D)

Question 3

Why are primary vitamin E deficiencies rarely observed in human beings?

Accepted Answer

A)  The vitamin is not essential
B)  The vitamin is widespread in foods
C)  Most people take vitamin E supplements
D)  The vitamin can be synthesized by the bodyE) B) and C)
F) A) and D)

Question 4

Which of the following is the most reliable source of vitamin D in the diet?

Accepted Answer

A)  Meat
B)  Fortified milk
C)  Fruits and vegetables
D)  Enriched breads and cerealsE) All of the above
F) A) and B)

Question 5

On average,one retinol activity equivalent is equal to about how many international units?

Accepted Answer

A)  3
B)  5
C)  8
D)  10E) All of the above
F) A) and B)

Question 6

A child with bowed legs is likely deficient in vitamin

Accepted Answer

A)  A.
B)  K.
C)  E.
D)  D.E) C) and D)
F) None of the above

Question 7

Which of the following organs is NOT required for the complete synthesis of activated vitamin D?

Accepted Answer

A)  Skin
B)  Liver
C)  Kidney
D)  Small intestineE) C) and D)
F) B) and D)

Question 8

Which of the following vitamins has been noted as preventing the oxidation of low-density lipoproteins?

Accepted Answer

A)  A
B)  E
C)  K
D)  DE) All of the above
F) B) and C)

Question 9

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

Accepted Answer

A)  Albumin
B)  Rhodopsin
C)  Retinol-binding protein
D)  Transcarotenoid proteinE) All of the above
F) A) and D)

Question 10

Jennifer has just had a baby.When she brings Thomas home,she regales you with the details of her hospital stay.She mentions that shortly after the birth,Thomas received an intramuscular injection of vitamin K,and she wondered why this was done,as it made him cry.You explained that it

Accepted Answer

A)  was needed to prevent eye disease.
B)  prevented possible bleeding events.
C)  protected the baby from lipid oxidation.
D)  was needed to promote good bone growth.E) None of the above
F) B) and D)

Question 11

In what chief capacity does vitamin K function?

Accepted Answer

A)  Blood clotting
B)  Energy metabolism
C)  Calcium utilization
D)  Epithelial tissue renewalE) None of the above
F) C) and D)

Question 12

Which of the following is a feature of Accutane?

Accepted Answer

A)  It is effective in treating rickets
B)  It is less toxic than pure vitamin A
C)  It is known to be effective in treating mild but not severe acne
D)  It is known to cause birth defects when used by pregnant womenE) A) and D)
F) All of the above

Question 13

Which of the following symptoms would indicate a vitamin D deficiency?

Accepted Answer

A)  Bowed legs
B)  Rupture of red blood cells
C)  Frequent respiratory infections
D)  Abnormally high blood calcium levelE) All of the above
F) B) and C)

Question 14

Vitamin A supplements are helpful in treating which of the following conditions?

Accepted Answer

A)  Acne
B)  Rickets
C)  Osteomalacia
D)  Night blindnessE) A) and B)
F) All of the above

Question 15

Which of the following is the name of the vitamin A compound that is active in the visual response?

Accepted Answer

A)  Opsin
B)  Keratin
C)  Retinal
D)  CaroteneE) B) and C)
F) All of the above

Question 16

Which of the following is an especially rich source of vitamin E?

Accepted Answer

A)  Butter
B)  Carrots
C)  Milk fat
D)  Wheat germ oilE) B) and C)
F) A) and D)

Question 17

Which of the following features are shared by Retin-A and Accutane?

Accepted Answer

A)  They are teratogenic
B)  They are highly toxic
C)  They are usually taken orally
D)  They have chemical structures similar to vitamin AE) B) and C)
F) C) and D)

Question 18

Which of the following is a feature of vitamin A in foods?

Accepted Answer

A)  Anthocyanin in beets masks the presence of beta-carotene
B)  Margarine made from corn oil is a poor source of vitamin A
C)  Most carotenoids can be converted in the body to active vitamin A
D)  Chlorophyll in dark green leafy vegetables masks the presence of beta-caroteneE) A) and C)
F) B) and C)

Question 19

Which of the following is NOT a feature of vitamin D nutrition?

Accepted Answer

A)  A dietary source is oily fish
B)  The DRI fails to account for skin synthesis of vitamin D
C)  Excessive exposure to the sun increases risk for vitamin D toxicity
D)  People who are not outdoors are advised to drink at least 2 cups of vitamin D-fortified milk dailyE) B) and D)
F) B) and C)

Question 20

Which of the following is a property of the tocopherols?

Accepted Answer

A)  Easily destroyed by air and oxygen
B)  Act as precursors for the menaquinones
C)  May dissolve from foods into cooking water
D)  Absorbed from the intestines into the portal circulationE) A) and B)
F) None of the above

Exam 11: The Fat-Soluble Vitamins: A, d, e, and K

Which of the following is NOT a feature of vitamin D nutrition?

Correct AnswerverifiedShow Answer

Which of the following is the most reliable source of vitamin D in the diet?

Correct AnswerverifiedShow Answer

Which of the following is NOT a known risk factor for development of rickets in the United States?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following vitamins has been noted as preventing the oxidation of low-density lipoproteins?

Correct AnswerverifiedShow Answer

On average,one retinol activity equivalent is equal to about how many international units?

Correct AnswerverifiedShow Answer

Which of the following features are shared by Retin-A and Accutane?

Correct AnswerverifiedShow Answer

Vitamin A supplements are helpful in treating which of the following conditions?

Correct AnswerverifiedShow Answer

Which of the following is an especially rich source of vitamin E?

Correct AnswerverifiedShow Answer

Which of the following is the name of the vitamin A compound that is active in the visual response?

Correct AnswerverifiedShow Answer

A child with bowed legs is likely deficient in vitamin

Correct AnswerverifiedShow Answer

Which of the following symptoms would indicate a vitamin D deficiency?

Correct AnswerverifiedShow Answer

Why are primary vitamin E deficiencies rarely observed in human beings?

Correct AnswerverifiedShow Answer

In what chief capacity does vitamin K function?

Correct AnswerverifiedShow Answer

Which of the following is a feature of Accutane?

Correct AnswerverifiedShow Answer

Which of the following is a feature of vitamin A in foods?

Correct AnswerverifiedShow Answer

Which of the following organs is NOT required for the complete synthesis of activated vitamin D?

Correct AnswerverifiedShow Answer

Which of the following is a property of the tocopherols?

Correct AnswerverifiedShow Answer

Jennifer has just had a baby.When she brings Thomas home,she regales you with the details of her hospital stay.She mentions that shortly after the birth,Thomas received an intramuscular injection of vitamin K,and she wondered why this was done,as it made him cry.You explained that it

Correct AnswerverifiedShow Answer

Knowing the role of vitamin K in the body,in what organ would you expect to find it in large quantities?

Correct AnswerverifiedShow Answer

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