Question 1

Why might an elderly person benefit from taking a supplement?

Accepted Answer

A)   They lose nutrients faster than foods can supply them.
B)   They are at risk of developing neural tube defects.
C)   They often over-consume their daily energy needs.
D)   They absorb or metabolize nutrients less efficiently. D

Question 2

Which of the following foods is among the best natural sources of folate?

Accepted Answer

A)   breakfast cereals
B)   fresh strawberries
C)   cooked turnip
D)   raw spinach D

Question 3

Which organ especially benefits from vitamin E's antioxidant qualities?

Accepted Answer

A)   lungs
B)   muscle
C)   liver
D)   heart A

Question 4

What is the main function of vitamin K in the body?

Accepted Answer

A)   It helps synthesize key bone proteins.
B)   It acts as an antioxidant in cell membranes.
C)   It influences body functions through its regulation of the genes.
D)   It helps synthesize proteins that help clot the blood.

Question 5

Any disease that brings about deficiencies of vitamins A, D, E, and K, can also result in malabsorption of what nutrient?

Accepted Answer

A)   water
B)   carbohydrate
C)   fat
D)   protein

Question 6

Which of the following foods is richest in beta-carotene?

Accepted Answer

A)   blueberries
B)   beets
C)   broccoli
D)   red cabbage

Question 7

According to Canada's Food Guide, an adult's need for vitamin D supplementation begins after what age?

Accepted Answer

A)   40 years
B)   45 years
C)   50 years
D)   55 years

Question 8

Vitamin E is so widespread in food that it is almost impossible to create a vitamin E-deficient diet.

Accepted Answer

A) True 
 B)False

Question 9

A deficiency of which of the following vitamins causes excess homocysteine to build up in the blood?

Accepted Answer

A)   thiamin
B)   vitamin B12
C)   pantothenic acid
D)   niacin

Question 10

What is the recommended daily intake for vitamin D for adults over 70?

Accepted Answer

A)   7 micrograms
B)   10 micrograms
C)   15 micrograms
D)   20 micrograms

Question 11

Which of the following foods may assist with the absorption of folate?

Accepted Answer

A)   strawberries
B)   milk
C)   broccoli
D)   oranges

Question 12

The amount of vitamin A that a person needs is dependent upon what factor?

Accepted Answer

A)   body weight
B)   body composition
C)   activity level
D)   age

Question 13

Which of the following foods provides a significant amount of vitamin E?

Accepted Answer

A)   whole milk
B)   wheat germ
C)   pork chop
D)   chicken wings

Question 14

Which of the following vitamins aids in the conversion of tryptophan to niacin?

Accepted Answer

A)   vitamin C
B)   vitamin B12
C)   folate
D)   vitamin B6

Question 15

A friend is worried that he did not meet the recommended intakes for the fat-soluble vitamins yesterday. What would you advise him to do?

Accepted Answer

A)   He should sot be concerned, as long as his diet as a whole provides average amounts thatApproximate the recommended intakes.
B)   He should supplement his diet with a vitamin-mineral supplement.
C)   He should try to consume more fats and oils to get the needed nutrients.
D)   He should increase his consumption of foods rich in fat-soluble vitamins.

Question 16

What is the name given to the drying of the cornea, a symptom of vitamin A deficiency?

Accepted Answer

A)   rhodopsin
B)   keratinization
C)   xerophthalmia
D)   xerosis

Question 17

The chief function of vitamin E is to serve as what?

Accepted Answer

A)   an enzyme
B)   a vitamin antagonist
C)   an antioxidant
D)   a precursor

Question 18

What vitamin participates in over 100 reactions in body tissues and is needed to help convert one kind of amino acid, which cells have in abundance, to other nonessential amino acids that cells lack?

Accepted Answer

A)   vitamin B6
B)   vitamin C
C)   vitamin B12
D)   vitamin A

Question 19

Which of the following foods is a significant source of vitamin D in Canada?

Accepted Answer

A)   milk
B)   cereal
C)   margarine
D)   tuna

Question 20

According to population studies, which of the following conditions is more prevalent in people whose diets lack foods rich in beta-carotene?

Accepted Answer

A)   anemia
B)   macular degeneration
C)   osteomalacia
D)   rickets

Exam 7: The Vitamins