Question 1

The first major report of vitamin B6 toxicity appeared in the ___________.

Accepted Answer

A)  early 1800s 
B)  early 1970s 
C)  early 1980s 
D)  early 1990s 
E)  early 2000s

Question 2

Discuss the solubility of vitamins.

Accepted Answer

The answer of Discuss the solubility of vitamins....

Question 3

Vitamin B  6  deficiency is characterized by ____.

Accepted Answer

A)  depression and confusion in the early stages 
B)  numbness and muscle damage 
C)  macrocytic anemia 
D)  convulsions in the early stages 
E)  purplish tongue

Question 4

Which of the following is NOT known to increase vitamin C needs?

Accepted Answer

A)  chronic use of oral contraceptives 
B)  infections 
C)  burns 
D)  physical activity 
E)  cigarette smoking

Question 5

What organ in the body contains more vitamin C than any other organ?

Accepted Answer

A)  lungs 
B)  spleen 
C)  adrenal glands 
D)  pituitary gland 
E)  kidneys

Question 6

What is the name of the coenzyme form of thiamin?

Accepted Answer

A)  thiaminacide 
B)  thiamin pyrophosphate 
C)  thiamin adenine dinucleotide 
D)  thiamin mononucleotide 
E)  thiamin flavin

Question 7

Discuss the overall role of the B vitamins.

Accepted Answer

The answer of Discuss the overall role of the B...

Question 8

Of these foods, which is the best source of vitamin B  6  ?

Accepted Answer

A)  milk 
B)  carrots 
C)  tofu 
D)  cheddar cheese 
E)  banana

Question 9

B vitamins have a major role in _______.

Accepted Answer

A)  antioxidation 
B)  anticoagulation 
C)  antibody stabilization 
D)  collagen formation 
E)  energy metabolism

Question 10

Of these foods, which is the best source of riboflavin?

Accepted Answer

A)  carrots 
B)  oranges 
C)  tofu 
D)  potatoes 
E)  liver

Question 11

A deficiency of which vitamin causes cheilosis, a condition in which the corners of the mouth become cracked and red?

Accepted Answer

A)  vitamin C 
B)  riboflavin 
C)  niacin 
D)  vitamin B  12  
E)  vitamin B  6

Question 12

Atrophic gastritis is a chronic condition in which _____.

Accepted Answer

A)  the stomach muscles shrink 
B)  the stomach becomes inflamed 
C)  the small intestine becomes inflamed 
D)  various stretches of the GI tract become inflamed 
E)  the gallbladder excretes too much bile into the small intestine

Question 13

Which of the following is true of riboflavin?

Accepted Answer

A)  It is also known as vitamin B  1  . 
B)  It is easily destroyed by heat. 
C)  People who follow a strict vegetarian diet can't get adequate amounts from food alone. 
D)  Significant sources are citrus products. 
E)  It remains stable when exposed to heat.

Question 14

Which B vitamin is stored extensively in muscle tissue?

Accepted Answer

A)  biotin 
B)  folate 
C)  thiamin 
D)  pantothenic acid 
E)  vitamin B6

Question 15

The RDA for thiamin is _____ .

Accepted Answer

A)  higher for women than for men 
B)  the same for men and women 
C)  measured in micrograms 
D)  sometimes hard to meet because thiamin is not found in many foods 
E)  only slightly higher for men than for women

Question 16

Which of these vitamins is easily destroyed by food processing?

Accepted Answer

A)  biotin 
B)  niacin 
C)  thiamin 
D)  pantothenic acid 
E)  riboflavin

Question 17

Under what circumstances might vitamin-mineral supplements be appropriate?

Accepted Answer

The answer of Under what circumstances might vitamin-mineral supplements be...

Question 18

The RDA for niacin is _____ .

Accepted Answer

A)  expressed in milligrams of niacin equivalents 
B)  expressed in milligrams of niacin estimates 
C)  higher for women than for men 
D)  the same for men and women 
E)  difficult to meet unless the diet includes meat and other sources of the amino acid tryptophan

Question 19

Which of the following is a function of vitamin C?

Accepted Answer

A)  It helps form collagen. 
B)  It is involved in energy metabolism. 
C)  It helps rid the body of antioxidants. 
D)  It helps rid the body of excess iron. 
E)  It aids in the digestion of fat.

Question 20

Which of these is the greatest contributor of riboflavin in most people's diet?

Accepted Answer

A)  milk and milk products 
B)  meat, poultry and fish 
C)  dark green, leafy vegetables 
D)  eggs 
E)  fruit

Exam 10: The Water-Soluble Vitamins: B Vitamins and Vitamin C

The first major report of vitamin B₆ toxicity appeared in the ___________.