Question 1

A vitamin D-deficiency disease in adults which is characterized by weak or soft bones is called:

Accepted Answer

A) keratomalacia. 
B) osteomalacia. 
C) rickets. 
D) osteoporosis. 
A) keratomalacia. 
B) osteomalacia. 
C) rickets. 
D) osteoporosis. B

Question 2

When vitamin A is deficient,there is a delay in the regeneration of the visual pigment.Which statement is incorrect?

Accepted Answer

A) This condition is called night blindness. 
B) This causes difficulty adapting to dim light after exposure to bright light. 
C) This is one of the first signs of a vitamin A deficiency. 
D) This condition is irreversible. 
A) This condition is called night blindness. 
B) This causes difficulty adapting to dim light after exposure to bright light. 
C) This is one of the first signs of a vitamin A deficiency. 
D) This condition is irreversible. D

Question 3

Which statement about vitamin D toxicity is FALSE?

Accepted Answer

A) It is likely to be caused by too much sunlight. 
B) It may be caused by over-supplementation or over-fortification. 
C) It results in calcium deposition in soft tissues. 
D) It may cause cardiovascular damage. 
A) It is likely to be caused by too much sunlight. 
B) It may be caused by over-supplementation or over-fortification. 
C) It results in calcium deposition in soft tissues. 
D) It may cause cardiovascular damage. A

Question 4

Cystic fibrosis increases the risk of vitamin E deficiency because:

Accepted Answer

A) vitamin E use increases in the body. 
B) fat absorption is reduced. 
C) vitamin E excretion increases. 
D) vitamin E-containing foods taste bitter to affected individuals. 
A) vitamin E use increases in the body. 
B) fat absorption is reduced. 
C) vitamin E excretion increases. 
D) vitamin E-containing foods taste bitter to affected individuals.

Question 5

Vitamin A is essential for ____________.

Accepted Answer

A) reproduction 
B) growth 
C) immune function 
D) All of these 
A) reproduction 
B) growth 
C) immune function 
D) All of these

Question 6

Which is true regarding vitamin E in the diet?

Accepted Answer

A) Natural alpha-tocopherol is about twice as active as the synthetic type. 
B) Vitamin E in supplements is identical to the naturally occurring vitamin in foods. 
C) Most nutrition facts panels underestimate the amount of functional vitamin E. 
D) Several naturally occurring forms of vitamin E in foods can be converted with similar efficiencies to the active form of the vitamin. 
A) Natural alpha-tocopherol is about twice as active as the synthetic type. 
B) Vitamin E in supplements is identical to the naturally occurring vitamin in foods. 
C) Most nutrition facts panels underestimate the amount of functional vitamin E. 
D) Several naturally occurring forms of vitamin E in foods can be converted with similar efficiencies to the active form of the vitamin.

Question 7

Which statement about the stability of vitamin E is FALSE?

Accepted Answer

A) It can be destroyed when oil is repeatedly heated to high temperatures. 
B) It is destroyed by exposure to oxygen. 
C) It is sensitive to light. 
D) It is often completely destroyed in the normal cooking process. 
A) It can be destroyed when oil is repeatedly heated to high temperatures. 
B) It is destroyed by exposure to oxygen. 
C) It is sensitive to light. 
D) It is often completely destroyed in the normal cooking process.

Question 8

Deficiencies of vitamins _____ and _____ are most common in developing countries.

Accepted Answer

A) A & E 
B) D & K 
C) A & D 
D) E & K 
A) A & E 
B) D & K 
C) A & D 
D) E & K

Question 9

The recommended intake of vitamin E is expressed in:

Accepted Answer

A) REs. 
B) µgs. 
C) alpha-tocopherol equivalents. 
D) mgs of alpha-tocopherol. 
A) REs. 
B) µgs. 
C) alpha-tocopherol equivalents. 
D) mgs of alpha-tocopherol.

Question 10

Which food contains the highest amount of vitamin E?

Accepted Answer

A) Almonds 
B) Cheese 
C) Oatmeal 
D) Beef liver 
A) Almonds 
B) Cheese 
C) Oatmeal 
D) Beef liver

Question 11

Fat soluble vitamins are transported from the intestine within ______________.

Accepted Answer

A) chylomicrons 
B) VLDLs 
C) LDLs 
D) HDLs 
A) chylomicrons 
B) VLDLs 
C) LDLs 
D) HDLs

Question 12

Long term use of antibiotics may result in vitamin K deficiency because:

Accepted Answer

A) antibiotics may interfere with absorption of the vitamin. 
B) antibiotics require vitamin K as a co-factor to function properly. 
C) antibiotics may change the bacterial flora in the gut,decreasing vitamin K production. 
D) most antibiotics promote blood clotting,increasing vitamin K requirements. 
A) antibiotics may interfere with absorption of the vitamin. 
B) antibiotics require vitamin K as a co-factor to function properly. 
C) antibiotics may change the bacterial flora in the gut,decreasing vitamin K production. 
D) most antibiotics promote blood clotting,increasing vitamin K requirements.

Question 13

Which of the following is not a role of vitamin E?

Accepted Answer

A) Protects membranes 
B) Maintains the integrity of red blood cells 
C) Protects against some environmental pollutants 
D) Prevents blood clotting 
A) Protects membranes 
B) Maintains the integrity of red blood cells 
C) Protects against some environmental pollutants 
D) Prevents blood clotting

Question 14

Which group of people is most at risk for vitamin D deficiency?

Accepted Answer

A) Elderly 
B) Light skinned children 
C) Pregnant women 
D) Teenagers 
A) Elderly 
B) Light skinned children 
C) Pregnant women 
D) Teenagers

Question 15

Vitamin D acts primarily in the:

Accepted Answer

A) skin and liver. 
B) stomach and pancreas. 
C) intestine,kidney and bone. 
D) heart and lungs. 
A) skin and liver. 
B) stomach and pancreas. 
C) intestine,kidney and bone. 
D) heart and lungs.

Question 16

As the intake of polyunsaturated fats increases,the need for vitamin E:

Accepted Answer

A) increases. 
B) decreases. 
C) changes in complex ways determined according to intake of antioxidant nutrients. 
D) There is no known relationship. 
A) increases. 
B) decreases. 
C) changes in complex ways determined according to intake of antioxidant nutrients. 
D) There is no known relationship.

Question 17

Vitamin K is required to produce prothrombin,which is needed for:

Accepted Answer

A) antioxidant functions. 
B) blood clotting. 
C) bone calcification. 
D) night vision. 
A) antioxidant functions. 
B) blood clotting. 
C) bone calcification. 
D) night vision.

Question 18

Which form(s)of vitamin A has antioxidant properties?

Accepted Answer

A) Carotenoids 
B) Preformed vitamin A 
C) Retinal 
D) Retinoic acid 
A) Carotenoids 
B) Preformed vitamin A 
C) Retinal 
D) Retinoic acid

Question 19

Vitamin D regulates ________ and _________ balance in the body.

Accepted Answer

A) calcium; phosphorus 
B) energy; fat 
C) sodium; potassium 
D) estrogen; progesterone 
A) calcium; phosphorus 
B) energy; fat 
C) sodium; potassium 
D) estrogen; progesterone

Question 20

Adequate vitamin D intake has been associated with:

Accepted Answer

A) increasing cancer risk. 
B) stimulating insulin secretion and predisposing to development of type 2 diabetes. 
C) inhibiting the development of autoimmune disorders. 
D) increasing the risk of cardiovascular disease. 
A) increasing cancer risk. 
B) stimulating insulin secretion and predisposing to development of type 2 diabetes. 
C) inhibiting the development of autoimmune disorders. 
D) increasing the risk of cardiovascular disease.

Exam 9: The Fat-Soluble Vitamins

A vitamin D-deficiency disease in adults which is characterized by weak or soft bones is called:

When vitamin A is deficient,there is a delay in the regeneration of the visual pigment.Which statement is incorrect?

Which statement about vitamin D toxicity is FALSE?

Cystic fibrosis increases the risk of vitamin E deficiency because:

Vitamin A is essential for ____________.

Which is true regarding vitamin E in the diet?

Which statement about the stability of vitamin E is FALSE?

Deficiencies of vitamins _____ and _____ are most common in developing countries.

The recommended intake of vitamin E is expressed in:

Which food contains the highest amount of vitamin E?

Fat soluble vitamins are transported from the intestine within ______________.

Long term use of antibiotics may result in vitamin K deficiency because:

Which of the following is not a role of vitamin E?

Which group of people is most at risk for vitamin D deficiency?

Vitamin D acts primarily in the:

As the intake of polyunsaturated fats increases,the need for vitamin E:

Vitamin K is required to produce prothrombin,which is needed for:

Which form(s)of vitamin A has antioxidant properties?

Vitamin D regulates ________ and _________ balance in the body.

Adequate vitamin D intake has been associated with:

Nutrition: Food for Health

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

Lipids

Proteins and Amino Acids

Energy Balance and Weight Management

The Water-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Elements

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: the Adult Years

Food Safety

World Hunger and Malnutrition

Focus On Alcohol

Focus on Biotechnology

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Supplements

Filters

Deficiencies of vitamins _ and _ are most common in developing countries.

Vitamin D regulates and _ balance in the body.