Chapter 7 Quiz

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Question #1

All of these statements are true EXCEPT which one?

A Vitamins A, D, E, and K are fat-soluble.

B Fat-soluble vitamins are stored, and therefore overconsumption may lead to toxicity.

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

E Fat-soluble vitamins require bile to be absorbed in the body.

Question #2

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

A E

B K

C C

D D

E beta-carotene

Question #3

Which statement regarding water-soluble vitamins is FALSE?

A Water-soluble vitamins easily dissolve and drain away with cooking water.

B Foods never deliver toxic doses of the water-soluble vitamins.

C Some water-soluble vitamins are destroyed when exposed to light, heat, or oxygen during processing.

D Water-soluble vitamins are easily excreted in the urine.

E Water-soluble vitamins are easily absorbed and stored in the liver.

Question #4

Which statement is true of vitamin C?

A Vitamin C impedes the absorption of iron in food.

B Vitamin C acts as an antioxidant.

C Vitamin C is challenging to obtain from food.

D Vitamin C is stored in fat.

Question #5

A woman who is on a low-carbohydrate diet for weight loss may have difficulty maintaining an adequate level of the B vitamins thiamin, riboflavin, niacin, and folate. What characteristic of her diet would cause this?

A exclusion of fruits

B exclusion of grains and cereals

C exclusion of meat and fat

D exclusion of dairy

E exclusion of starchy vegetables

Question #6

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

A TRUE

B FALSE

Question #7

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

A B12, folate, niacin

B B6, thiamin, folate

C B12, vitamin K, thiamin

D vitamin A, B6, riboflavin

Question #8

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

A thiamin

B vitamin A

C vitamin B12

D vitamin K

E vitamin C

Question #9

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

A dark skin pigmentation

B increased physical activity in organized sports

C a preference for soft drinks over milk in adolescents

D increased time spent indoors

E use of UV-blocking sunscreen

Question #10

Which individual has a valid reason to take a vitamin/mineral supplement?

A someone who is feeling tired and wants a supplement to provide energy

B someone who does not like to eat vegetables

C someone who is stressed and does not get enough exercise

D someone who is addicted to drugs or alcohol

E someone who believes that food grown on today’s soils lack nutrients

Question #11

Current recommendations for fruit and vegetable intakes are for us to consume a variety from each category on a daily basis. What are the two vitamins that are abundant in leafy greens and citrus fruits, as well as other fruits and vegetables?

A thiamin and vitamin C

B vitamin B12 and thiamin

C vitamin A and vitamin E

D folate and vitamin C

E riboflavin and vitamin K

Question #12

Which vitamin is mismatched with its deficiency?

A vitamin C – scurvy

B thiamin – beriberi

C niacin – pellagra

D vitamin K – excessive bleeding

E vitamin D – pernicious anemia

Question #13

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

A requires bile for absorption

B easily absorbed and excreted in urine

C dissolves in lipids

D toxic in excess

E commonly found in foods that contain fat

Question #14

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

A Bs, C, D, E vitamins

B A, E vitamins

C A, D, E, K vitamins

D A, Bs, K, D vitamins

E Bs, C vitamins

Question #15

Which food item has the highest amount of vitamin C?

A 1 cup yogurt

B ½ cup sweet red pepper

C ½ cup rice

D 1 ounce steak

E ½ cup carrots

Question #16

If you eat a food that contains a large dose of thiamin and riboflavin, what will most likely happen to the thiamin and riboflavin?

A They will promote the production of red blood cells.

B They will increase destruction of free radicals in the body.

C They will be stored in fat cells, which can lead to toxicity.

D They will be stored in the body tissues for later use as needed.

E They will be excreted if not used on the day they are absorbed.

Question #17

Which symptom is not associated with vitamin B deficiency?

A increased appetite

B irritability

C muscle pain

D forgetfulness

E nausea

Question #18

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

A meat

B saturated fat

C polyunsaturated fat

D fried food

E trans fat

Question #19

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?

A thiamin

B vitamin A

C vitamin D

D vitamin E

E riboflavin

Question #20

B12 supplements mask a folate deficiency.

A FALSE

B TRUE

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