Poll Everywhere Chapter 12

Question 1

Which of the following does NOT describe a vitamin?
~ They are essential organic substances
~ They provide a rich source of energy
~ They are needed in relatively small amounts
~ They are classified as either fat- or water-soluble

Answer 1

They provide a rich source of energy

Question 2

Excess amounts of most fat-soluble vitamins are

Answer 2

stored in the liver or adipose tissue

Question 3

Nutrients most likely to cause toxicity if consumed in excessive amounts include

Answer 3

Vitamin A and Vitamin D

Question 4

Supplement manufacturers can make unproven claims with regard to conditions that are not diseases. T or F

Answer 4

True

Question 5

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

Answer 5

40-90%

Question 6

All of the following can be defined as a supplement EXCEPT
~ A mineral
~ An herb, or plant extract
~ An amino acid
~ A synthetic polysaccharide

Answer 6

A synthetic polysaccharide

Question 7

A deficiency of vitamin A often results in

Answer 7

night blindness

Question 8

Retinoids are the collective term for biologically active Vitamin A. T or F

Answer 8

True

Question 9

Beta- carotene is also called

Answer 9

Provitamin A

Question 10

There are three levels of toxicity associated with Vitamin A. T or F

Answer 10

True

Question 11

The biochemical functions of vitamin A include all of the following EXCEPT
~ Aiding vision in bright and dim light
~ Cell differentiation
~ Co enzyme synthesis
~ Immune system function

Answer 11

Co enzyme synthesis

Question 12

Carotenoids are a precursor form of:

Answer 12

Vitamin A

Question 13

Vitamin A is involved in all of the following functions EXCEPY:
~ Vision and dark adaption
~ Hemoglobin synthesis
~ Resistance to infection
~ Cell differentation

Answer 13

Hemoglobin synthesis

Question 14

Which of the following is a good source of vitamin D?
~ Yellow-orange vegetables
~ Salmon and sardines
~ Dark, Leafy greens
~ Enriched grains

Answer 14

Salmon and sardines

Question 15

What vitamin aids in blood clotting?

Answer 15

Vitamin K

Question 16

Which of the following is considered a ‘conditional’ vitamin, or prohormone?
~ Vitamin A
~ Vitamin D
~ Vitamin E
~ Vitamin K

Answer 16

Vitamin D

Question 17

All of the following are good sources of Vitamin D EXCEPT:
~ Carrots
~ Cod liver oil
~ Fatty fish
~ Fortified milk

Answer 17

Carrots

Question 18

Which of the following is FALSE regarding Calcitriol?
~ It is the active form of vitamin D
~ It is produced in the kidney
~ When needed, it binds to vitamin D receptors in target tissues to induce vitamin D actions
~ A high amount of vitamin D causes PTH to be released from the parathyroid

Answer 18

A high amount of vitamin D causes PTH to be released from the parathyroid

Question 19

Vitamin E functions include all of the following EXCEPT:
~ It is an important part of the body’s antioxidant network
~ It helps to maintain cell membranes by halting the action of free radicals
~ It helps reduce oxidative stress in the body
~ It prevents osteomalacia in adults

Answer 19

It prevents osteomalacia in adults

Question 20

Vitamin E deficiency can lead to the development of hemolytic anemia. T or F

Answer 20

True

Question 21

All of the following about vitamin D are true EXCEPT:
~ This family of vitamins includes phylloquinones
~ Orange-red vegetable are good sources of the vitamin
~ Vitamin K is needed for synthesis of blood clotting factors
~ 10% of needed vitamin K is synthesized in the colon

Answer 21

Orange-red vegetables are good sources of the vitamin

Question 22

Vitamin and mineral supplements are tightly regulated by the FDA. T or F

Answer 22

False

Question 23

Which population is at lowest risk of fat-soluble vitamin deficiencies?

Answer 23

Pregnant women

Question 24

Snoopy’s best friend, the bird is named

Answer 24

Woodstock

Question 25

Who tells Charlie Brown what the real meaning of Christmas is in the Peanuts Christmas special?

Answer 25

Linus