NUTRITION CH 7

All of these statements are true EXCEPT which one?

Vitamins are essential, caloric nutrients that are needed in tiny amounts.

Which of the following is NOT a characteristic of the fat-soluble vitamins?

Toxicities are unlikely, even when taking supplements.

what is the primary food source of vitamin E for Americans?

Vegetable oils

Which vitamin supplement is known to cause malformations of a fetus?

Vitamin A

Which of the fat-soluble vitamins were originally named tocopherol?

Vitamin E

Which of the fat-soluble vitamins works as an antioxidant?

Vitamin E

You have a friend who eats a lot of highly processed foods, fast foods, and convenience foods, but does drink fortified milk. What type of deficiency is your friend at risk for developing?

Vitamin E

Which of the following is LEAST likely to contribute to cases of rickets in the United States?

increased physical activity in organized sports

The need for vitamin E rises as people consume more of what because it requires antioxidant protection by the vitamin?

polyunsaturated fat

4. 5. What are the fat-soluble vitamins?

ADE AND K

All of the following are good food sources of vitamin D EXCEPT:

Citrus Fruits

Which vitamin's main role is to help activate proteins that help blood clot?

K

Compounds that when consumed are converted into active vitamins are , also called provitamins.

Precursors

Vitamin A and VAITSMIN k1 are fat-soluble vitamins that act like hormones.

a, k

Which of the following are classified as water-soluble vitamins?

b and c

Deficiency in the water-soluble vitamins, ____, and _____, contribute to anemia, and a deficiency in ________ causes pellagra.

b12, folate, niacin

What is the main function of vitamin K?

help blood clot

Which characteristic is LEAST likely to apply to a fat-soluble vitamin?

easily absorbed and excreted in urine

B12 supplements mask a folate deficiency

false

intestinal bacteria

is the nonfood source that can produce vitamin K making a deficiency in humans unlikely

Active forms of vitamin A that are readily absorbed in the body are only found in foods derived from animals.

true

Which vitamin is mismatched with its deficiency?

vitamin D - pernicious anemia

Which statement is true of vitamin C?

vitamin c acts as as antioxidant