Question 1

Carotenoid supplementation has been effective in decreasing the risk of lung cancer in smokers.

Accepted Answer

A) True 
 B)False

Question 2

Vitamin E functions to

Accepted Answer

A) protect cell membranes from destruction by various reducing agents. 
B) protect phospholipids in cell membranes from damage by free radicals. 
C) accept electrons,thus neutralizing the action of free radicals. 
D) All of these choices are accurate. 
A) protect cell membranes from destruction by various reducing agents. 
B) protect phospholipids in cell membranes from damage by free radicals. 
C) accept electrons,thus neutralizing the action of free radicals. 
D) All of these choices are accurate.

Question 3

Retinoids play a role in embryonic development and cell differentiation.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is NOT involved in antioxidant defense?

Accepted Answer

A) glutathione peroxidase 
B) superoxide dismutase 
C) catalase 
D) hydrogen peroxide 
A) glutathione peroxidase 
B) superoxide dismutase 
C) catalase 
D) hydrogen peroxide

Question 5

Of the following population groups,those at highest risk for vitamin E deficiency are

Accepted Answer

A) premature infants. 
B) the elderly. 
C) athletes. 
D) smokers. 
A) premature infants. 
B) the elderly. 
C) athletes. 
D) smokers.

Question 6

Excess amounts of most water-soluble vitamins are

Accepted Answer

A) stored in the adipose tissue. 
B) readily excreted. 
C) stored in the liver. 
D) often toxic. 
A) stored in the adipose tissue. 
B) readily excreted. 
C) stored in the liver. 
D) often toxic.

Question 7

Functions of vitamin D include

Accepted Answer

A) prevention of scurvy. 
B) antioxidant activity. 
C) glucose regulation. 
D) absorption of calcium. 
A) prevention of scurvy. 
B) antioxidant activity. 
C) glucose regulation. 
D) absorption of calcium.

Question 8

Vitamin K deficiency is most likely to result from

Accepted Answer

A) insufficient sunlight. 
B) kidney disease. 
C) insufficient intake of dairy products. 
D) antibiotic therapy. 
A) insufficient sunlight. 
B) kidney disease. 
C) insufficient intake of dairy products. 
D) antibiotic therapy.

Question 9

Of the following,the best source of provitamin A is

Accepted Answer

A) fried liver. 
B) baked sweet potato. 
C) fresh bananas. 
D) soybeans. 
A) fried liver. 
B) baked sweet potato. 
C) fresh bananas. 
D) soybeans.

Question 10

As calcitriol,vitamin D functions in calcium and bone metabolism by

Accepted Answer

A) reducing calcium excretion by the kidney. 
B) regulating calcium and phosphorus absorption through the intestinal wall. 
C) regulating the levels of calcium and phosphorus in bones. 
D) All of these choices are accurate. 
A) reducing calcium excretion by the kidney. 
B) regulating calcium and phosphorus absorption through the intestinal wall. 
C) regulating the levels of calcium and phosphorus in bones. 
D) All of these choices are accurate.

Question 11

Some scientists believe that the vitamin D recommendation should be much higher than currently set.

Accepted Answer

A) True 
 B)False

Question 12

People who smoke likely need more vitamin E than nonsmokers.

Accepted Answer

A) True 
 B)False

Question 13

Dietary supplements are tightly regulated by the Dietary Supplement Health and Education Act (DSHEA).

Accepted Answer

A) True 
 B)False

Question 14

A high intake of vitamin E can

Accepted Answer

A) interfere with vitamin K's blood-clotting activity. 
B) result in lead poisoning. 
C) inhibit copper absorption. 
D) cause atherosclerosis. 
A) interfere with vitamin K's blood-clotting activity. 
B) result in lead poisoning. 
C) inhibit copper absorption. 
D) cause atherosclerosis.

Question 15

A deficiency of vitamin A often results in

Accepted Answer

A) scurvy. 
B) night blindness. 
C) insufficient blood clotting. 
D) microcytic anemia. 
A) scurvy. 
B) night blindness. 
C) insufficient blood clotting. 
D) microcytic anemia.

Question 16

Individuals with lactose intolerance or milk allergies may need calcium and vitamin D supplements.

Accepted Answer

A) True 
 B)False

Question 17

When consumed in recommended amounts,approximately ________ of fat-soluble vitamins are absorbed.

Accepted Answer

A) 1-5% 
B) 5-20% 
C) 10-35% 
D) 40-90% 
A) 1-5% 
B) 5-20% 
C) 10-35% 
D) 40-90%

Question 18

A reliable food source of vitamin D is

Accepted Answer

A) yellow-orange colored fruits. 
B) dark green leafy vegetables. 
C) whole grain breads. 
D) fortified milk. 
A) yellow-orange colored fruits. 
B) dark green leafy vegetables. 
C) whole grain breads. 
D) fortified milk.

Question 19

Which statement correctly describes vitamin A?

Accepted Answer

A) Vitamin A is carried from the liver by retinol-binding protein and transthyretin in the blood. 
B) Nearly all cells have vitamin-A binding retinoid receptors. 
C) Within a cell,vitamin A is involved in gene expression and cell differentiation. 
D) All of the choices are correct. 
A) Vitamin A is carried from the liver by retinol-binding protein and transthyretin in the blood. 
B) Nearly all cells have vitamin-A binding retinoid receptors. 
C) Within a cell,vitamin A is involved in gene expression and cell differentiation. 
D) All of the choices are correct.

Question 20

The most likely cause of a vitamin A toxicity would be

Accepted Answer

A) consuming large amounts of dark green and yellow vegetables. 
B) eating sautéed liver and onions twice a week. 
C) consuming high levels of vitamin A supplements. 
D) drinking carrot juice twice a day. 
A) consuming large amounts of dark green and yellow vegetables. 
B) eating sautéed liver and onions twice a week. 
C) consuming high levels of vitamin A supplements. 
D) drinking carrot juice twice a day.

Carotenoid supplementation has been effective in decreasing the risk of lung cancer in smokers.

Vitamin E functions to

Retinoids play a role in embryonic development and cell differentiation.

Which of the following is NOT involved in antioxidant defense?

Of the following population groups,those at highest risk for vitamin E deficiency are

Excess amounts of most water-soluble vitamins are

Functions of vitamin D include

Vitamin K deficiency is most likely to result from

Of the following,the best source of provitamin A is

As calcitriol,vitamin D functions in calcium and bone metabolism by

Some scientists believe that the vitamin D recommendation should be much higher than currently set.

People who smoke likely need more vitamin E than nonsmokers.

Dietary supplements are tightly regulated by the Dietary Supplement Health and Education Act (DSHEA).

A high intake of vitamin E can

A deficiency of vitamin A often results in

Individuals with lactose intolerance or milk allergies may need calcium and vitamin D supplements.

When consumed in recommended amounts,approximately ________ of fat-soluble vitamins are absorbed.

A reliable food source of vitamin D is

Which statement correctly describes vitamin A?

The most likely cause of a vitamin A toxicity would be

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Human Digestion and Absorption

Carbohydrates

Lipids

Proteins

Alcohol

Energy Metabolism

Energy Balance, weight Control, and Eating Disorders

Nutrition, exercise and Sports

The Water-Soluble Vitamins

Water and Major Minerals

Trace Minerals

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition During the Adult Years

Filters

Exam 12: The Fat-Soluble Vitamins

Carotenoid supplementation has been effective in decreasing the risk of lung cancer in smokers.

Vitamin E functions to

Retinoids play a role in embryonic development and cell differentiation.

Which of the following is NOT involved in antioxidant defense?

Of the following population groups,those at highest risk for vitamin E deficiency are

Excess amounts of most water-soluble vitamins are

Functions of vitamin D include

Vitamin K deficiency is most likely to result from

Of the following,the best source of provitamin A is

As calcitriol,vitamin D functions in calcium and bone metabolism by

Some scientists believe that the vitamin D recommendation should be much higher than currently set.

People who smoke likely need more vitamin E than nonsmokers.

Dietary supplements are tightly regulated by the Dietary Supplement Health and Education Act (DSHEA).

A high intake of vitamin E can

A deficiency of vitamin A often results in

Individuals with lactose intolerance or milk allergies may need calcium and vitamin D supplements.

When consumed in recommended amounts,approximately ________ of fat-soluble vitamins are absorbed.

A reliable food source of vitamin D is

Which statement correctly describes vitamin A?

The most likely cause of a vitamin A toxicity would be

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Human Digestion and Absorption

Carbohydrates

Lipids

Proteins

Alcohol

Energy Metabolism

Energy Balance, weight Control, and Eating Disorders

Nutrition, exercise and Sports

The Water-Soluble Vitamins

Water and Major Minerals

Trace Minerals

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition During the Adult Years

Filters