Poll Everywhere Chapter 12 Flashcards
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
They provide a rich source of energy
Excess amounts of most fat-soluble vitamins are
stored in the liver or adipose tissue
Nutrients most likely to cause toxicity if consumed in excessive amounts include
Vitamin A and Vitamin D
Supplement manufacturers can make unproven claims with regard to conditions that are not diseases. T or F
True
When consumed in recommended amounts, approximately ____ of fat-soluble vitamins are absorbed.
40-90%
All of the following can be defined as a supplement EXCEPT
~ A mineral
~ An herb, or plant extract
~ An amino acid
~ A synthetic polysaccharide
A synthetic polysaccharide
A deficiency of vitamin A often results in
night blindness
Retinoids are the collective term for biologically active Vitamin A. T or F
True
Beta- carotene is also called
Provitamin A
There are three levels of toxicity associated with Vitamin A. T or F
True
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
Co enzyme synthesis
Carotenoids are a precursor form of:
Vitamin A
Vitamin A is involved in all of the following functions EXCEPY:
~ Vision and dark adaption
~ Hemoglobin synthesis
~ Resistance to infection
~ Cell differentation
Hemoglobin synthesis
Which of the following is a good source of vitamin D?
~ Yellow-orange vegetables
~ Salmon and sardines
~ Dark, Leafy greens
~ Enriched grains
Salmon and sardines
What vitamin aids in blood clotting?
Vitamin K
Which of the following is considered a ‘conditional’ vitamin, or prohormone?
~ Vitamin A
~ Vitamin D
~ Vitamin E
~ Vitamin K
Vitamin D
All of the following are good sources of Vitamin D EXCEPT:
~ Carrots
~ Cod liver oil
~ Fatty fish
~ Fortified milk
Carrots
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
A high amount of vitamin D causes PTH to be released from the parathyroid
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
It prevents osteomalacia in adults
Vitamin E deficiency can lead to the development of hemolytic anemia. T or F
True
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
Orange-red vegetables are good sources of the vitamin
Vitamin and mineral supplements are tightly regulated by the FDA. T or F
False
Which population is at lowest risk of fat-soluble vitamin deficiencies?
Pregnant women
Snoopy’s best friend, the bird is named
Woodstock
Who tells Charlie Brown what the real meaning of Christmas is in the Peanuts Christmas special?
Linus
