Question 1

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

Accepted Answer

A) opsin 
B) keratin 
C) retinal 
D) carotene

Question 2

Which food substance can be converted into vitamin A in the body? ​

Accepted Answer

A) ​t ryptophan 
B) chlorophyll 
C) ​x anthophyll 
D) ​b eta-carotene

Question 3

Which vitamin is synthesized by intestinal bacteria? ​

Accepted Answer

A) ​A 
B) ​E 
C) ​K 
D) ​D

Question 4

What do retinal and unsaturated fatty acids have in common?

Accepted Answer

A) Neither is found in animal fats. 
B) Neither is transported by chylomicrons. 
C) They may exist in the cis or trans form. 
D) They are both needed to prevent erythrocyte hemolysis.

Question 5

What is a feature of vitamin D synthesis? ​

Accepted Answer

A) Tanning lamps and tanning booths do not stimulate vitamin D synthesis. 
B) Sunscreens with sunburn protection factors of 2 and above prevent synthesis of vitamin D. 
C) The ultraviolet rays of the sun are able to easily pierce heavy clouds and smog to promote vitamin D synthesis. 
D) Dark-skinned people require longer sunlight exposure than light-skinned people to synthesize equivalent amounts of vitamin D.

Question 6

What population group is at highest risk for osteomalacia? ​

Accepted Answer

A) infants 
B) elderly men 
C) adult women 
D) children ages 2-12 years

Question 7

Match between columns
                        Premises: stabilization of cell membranes

Accepted Answer

The Answer of vitamin K and vitamin D and vitamin is...

Question 8

Describe the process by which vitamin D from the diet is activated in order to function fully. How does this differ from vitamin D derived from a precursor to cholesterol, 7-dehydrocholesterol?

Accepted Answer

The answer of Describe the process by which vitamin D...

Question 9

Explain what symptoms you would expect from a person who consumes large amounts of beef liver and onions? What is the cause of these symptoms? ​

Accepted Answer

The answer of Explain what symptoms you would expect from...

Question 10

What is a feature of vitamin K? ​

Accepted Answer

A) A deficiency increases the risk for hemophilia. 
B) A deficiency leads to keratinization of the cornea. 
C) Bacteria in the intestines synthesize bioavailable vitamin K. 
D) There are multiple forms in the diet, of which menadione is the naturally occurring form.

Question 11

Match between columns
                        Premises: erythrocyte hemolysis

Accepted Answer

The Answer of vitamin K toxicity and vitamin A deficiency is...

Question 12

In what system would the effects of a vitamin D deficiency be most readily observed? ​

Accepted Answer

A) nervous 
B) skeletal 
C) muscular 
D) circulatory

Question 13

What is a characteristic of vitamin K nutrition? ​

Accepted Answer

A) Deficiency may lead to hemophilia. 
B) Toxicity may increase risk for hemophilia. 
C) Absorption is inhibited when bile production diminishes. 
D) Supplements are highly effective against osteoporosis.

Question 14

What can the body use to synthesize vitamin D? ​

Accepted Answer

A) bone 
B) carotene 
C) tryptophan 
D) exposure to sunlight

Question 15

How many different forms of vitamin A are active in the body?

Accepted Answer

A) 1 ​ 
B) 2 
C) 3 
D) 5

Question 16

Explain why newborns do not have significant amounts of vitamin K at birth. What are the benefits and concerns of this deficiency, and what is the standard of care given at birth to prevent vitamin K deficiency symptoms?

Accepted Answer

The answer of Explain why newborns do not have significant...

Question 17

What do beta-carotene and vitamin E have in common? ​

Accepted Answer

A) Both act as antioxidants. 
B) Both are found in animal fats. 
C) Neither is involved in free radical control. 
D) Neither is involved in synthesis of retinal.

Question 18

What is the best source of dietary vitamin K?

Accepted Answer

A) spinach 
B) raspberries 
C) whole wheat bread 
D) baked potato

Question 19

Match between columns
                        Premises: osteomalacia

Accepted Answer

The Answer of vitamin A toxicity and vitamin D deficiency is...

Question 20

The major function of vitamin E is to inhibit the destruction of ____. ​

Accepted Answer

A) lysosomes 
B) free radicals 
C) mucopolysaccharides 
D) polyunsaturated fatty acids

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

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

Which food substance can be converted into vitamin A in the body?

Which vitamin is synthesized by intestinal bacteria?

What do retinal and unsaturated fatty acids have in common?

What is a feature of vitamin D synthesis?

What population group is at highest risk for osteomalacia?

Match the vitamin with its primary function.

Describe the process by which vitamin D from the diet is activated in order to function fully. How does this differ from vitamin D derived from a precursor to cholesterol, 7-dehydrocholesterol?

Explain what symptoms you would expect from a person who consumes large amounts of beef liver and onions? What is the cause of these symptoms?

What is a feature of vitamin K?

Match the vitamin with the deficiency and toxicity symptoms. Terms may be used more than once or not at all.

In what system would the effects of a vitamin D deficiency be most readily observed?

What is a characteristic of vitamin K nutrition?

What can the body use to synthesize vitamin D?

How many different forms of vitamin A are active in the body?

Explain why newborns do not have significant amounts of vitamin K at birth. What are the benefits and concerns of this deficiency, and what is the standard of care given at birth to prevent vitamin K deficiency symptoms?

What do beta-carotene and vitamin E have in common?

What is the best source of dietary vitamin K?

Match the vitamin with the deficiency and toxicity symptoms. Terms may be used more than once or not at all.

The major function of vitamin E is to inhibit the destruction of ____.

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

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

Which food substance can be converted into vitamin A in the body? ​

Which vitamin is synthesized by intestinal bacteria? ​

What do retinal and unsaturated fatty acids have in common?

What is a feature of vitamin D synthesis? ​

What population group is at highest risk for osteomalacia? ​

Match the vitamin with its primary function.

Describe the process by which vitamin D from the diet is activated in order to function fully. How does this differ from vitamin D derived from a precursor to cholesterol, 7-dehydrocholesterol?

Explain what symptoms you would expect from a person who consumes large amounts of beef liver and onions? What is the cause of these symptoms? ​

What is a feature of vitamin K? ​

Match the vitamin with the deficiency and toxicity symptoms. Terms may be used more than once or not at all.

In what system would the effects of a vitamin D deficiency be most readily observed? ​

What is a characteristic of vitamin K nutrition? ​

What can the body use to synthesize vitamin D? ​

How many different forms of vitamin A are active in the body?

Explain why newborns do not have significant amounts of vitamin K at birth. What are the benefits and concerns of this deficiency, and what is the standard of care given at birth to prevent vitamin K deficiency symptoms?

What do beta-carotene and vitamin E have in common? ​

What is the best source of dietary vitamin K?

Match the vitamin with the deficiency and toxicity symptoms. Terms may be used more than once or not at all.

The major function of vitamin E is to inhibit the destruction of ____. ​

Which food substance can be converted into vitamin A in the body?

Which vitamin is synthesized by intestinal bacteria?

What is a feature of vitamin D synthesis?

What population group is at highest risk for osteomalacia?

Explain what symptoms you would expect from a person who consumes large amounts of beef liver and onions? What is the cause of these symptoms?

What is a feature of vitamin K?

In what system would the effects of a vitamin D deficiency be most readily observed?

What is a characteristic of vitamin K nutrition?

What can the body use to synthesize vitamin D?

What do beta-carotene and vitamin E have in common?

The major function of vitamin E is to inhibit the destruction of ____.