Question 1

Excessive consumption of vitamin A supplements can be highly toxic.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following are excellent sources of folate?

Accepted Answer

A)   chicken and turkey
B)   cooked broccoli
C)   cheeses
D)   ready-to-eat cereals and breads

Question 3

Explain how oxidation reactions can result in the formation of free radicals,and how antioxidants oppose their formation.

Accepted Answer

Oxidation reactions can result in the fo...

Question 4

Good sources of riboflavin include

Accepted Answer

A)   milk, meats, and green vegetables.
B)   refined grains and pork.
C)   citrus fruits and berries.
D)   potatoes, carrots, and bananas.

Question 5

Toxicity symptoms of vitamin A include birth defects,spontaneous abortion,blurred vision,and liver damage.

Accepted Answer

A) True 
 B)False  True

Question 6

Milk is a good source of riboflavin.

Accepted Answer

A) True 
 B)False

Question 7

A deficiency of which of the following can result in erythrocyte hemolysis,leading to anemia?

Accepted Answer

A)   beta-carotene
B)   vitamin E
C)   vitamin C
D)   selenium

Question 8

The most potent form of vitamin E is

Accepted Answer

A)   alpha-tocopherol.
B)   beta-tocopherol.
C)   delta-tocopherol.
D)   gamma-tocopherol.

Question 9

How is vitamin B₆ important in the metabolism of amino acids?

Accepted Answer

A)   It breaks down amino acids to nitrogen.
B)   It creates high levels of the amino acid homocysteine.
C)   It plays a critical role in transamination.
D)   Deamination cannot occur without it.

Question 10

A deficiency of which micronutrient may result in small red blood cells with inadequate hemoglobin?

Accepted Answer

A)   choline
B)   biotin
C)   vitamin B₆
D)   pantothenic acid

Question 11

Diseases that cause malabsorption of fat commonly result in vitamin C deficiency.

Accepted Answer

A) True 
 B)False

Question 12

Iodine is essential for the synthesis of which kind of hormones?

Accepted Answer

A)   pituitary hormones
B)   growth hormones
C)   thyroid hormones
D)   androgens

Question 13

All antioxidants are water soluble.

Accepted Answer

A) True 
 B)False

Question 14

Thiamin,consumed in excess,is toxic.

Accepted Answer

A) True 
 B)False

Question 15

Inadequate intake of folate during pregnancy increases the risk for a serious birth defect.

Accepted Answer

A) True 
 B)False  True

Question 16

A person suffering from fatigue,muscle wasting,reduced cognitive function,and paralysis is most likely to have which of the following conditions?

Accepted Answer

A)   niacin toxicity
B)   beriberi
C)   pellagra
D)   ariboflavinosis

Question 17

About 90 percent of vitamin E is stored in

Accepted Answer

A)   adipose tissue.
B)   the liver.
C)   cell membranes.
D)   the skin.

Question 18

A compound called TPP activates an enzyme critical in carbohydrate metabolism.TPP is

Accepted Answer

A)   a coenzyme.
B)   a B-vitamin called thiamin.
C)   a derivative of adenosine triphosphate (ATP) .
D)   a branched-chain amino acid. A

Question 19

What is the primary role of the B-vitamins?

Accepted Answer

A)   provide the body directly with energy
B)   act as coenzymes
C)   maintain and repair body tissues
D)   maintain acid-base balance

Question 20

A goiter can result from

Accepted Answer

A)   too much or too little iodine in the diet.
B)   choline supplementation.
C)   vitamin A toxicity.
D)   chromium deficiency.

Exam 8: Nutrients Essential to Key Body Functions

Excessive consumption of vitamin A supplements can be highly toxic.

Correct AnswerverifiedShow Answer

Which of the following are excellent sources of folate?

Correct AnswerverifiedShow Answer

Explain how oxidation reactions can result in the formation of free radicals,and how antioxidants oppose their formation.

Correct AnswerAnswered by ExamLex AIOxidation reactions can result in the fo...View AnswerShow Answer

Good sources of riboflavin include

Correct AnswerverifiedShow Answer

Toxicity symptoms of vitamin A include birth defects,spontaneous abortion,blurred vision,and liver damage.

Correct AnswerverifiedTrue

Milk is a good source of riboflavin.

Correct AnswerverifiedShow Answer

A deficiency of which of the following can result in erythrocyte hemolysis,leading to anemia?

Correct AnswerverifiedShow Answer

The most potent form of vitamin E is

Correct AnswerverifiedShow Answer

How is vitamin B₆ important in the metabolism of amino acids?

Correct AnswerverifiedShow Answer

A deficiency of which micronutrient may result in small red blood cells with inadequate hemoglobin?

Correct AnswerverifiedShow Answer

Diseases that cause malabsorption of fat commonly result in vitamin C deficiency.

Correct AnswerverifiedShow Answer

Iodine is essential for the synthesis of which kind of hormones?

Correct AnswerverifiedShow Answer

All antioxidants are water soluble.

Correct AnswerverifiedShow Answer

Thiamin,consumed in excess,is toxic.

Correct AnswerverifiedShow Answer

Inadequate intake of folate during pregnancy increases the risk for a serious birth defect.

Correct AnswerverifiedTrue

A person suffering from fatigue,muscle wasting,reduced cognitive function,and paralysis is most likely to have which of the following conditions?

Correct AnswerverifiedShow Answer

About 90 percent of vitamin E is stored in

Correct AnswerverifiedShow Answer

A compound called TPP activates an enzyme critical in carbohydrate metabolism.TPP is

Correct AnswerverifiedA

What is the primary role of the B-vitamins?

Correct AnswerverifiedShow Answer

A goiter can result from

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Oxidation reactions can result in the fo...
View Answer

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified