Chapter 7 Quiz

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Question #1

All of these statements are true EXCEPT which one?

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

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

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

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

Question #2

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

A D

B beta-carotene

C C

D E

E K

Question #3

Which statement regarding water-soluble vitamins is FALSE?

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

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

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

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

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

Question #4

Which statement is true of vitamin C?

A Vitamin C is stored in fat.

B Vitamin C is challenging to obtain from food.

C Vitamin C impedes the absorption of iron in food.

D Vitamin C acts as an antioxidant.

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 dairy

B exclusion of fruits

C exclusion of starchy vegetables

D exclusion of meat and fat

E exclusion of grains and cereals

Question #6

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

A FALSE

B TRUE

Question #7

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

A vitamin A, B6, riboflavin

B B12, folate, niacin

C B12, vitamin K, thiamin

D B6, thiamin, folate

Question #8

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

A vitamin A

B thiamin

C vitamin C

D vitamin B12

E vitamin K

Question #9

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

A use of UV-blocking sunscreen

B increased physical activity in organized sports

C dark skin pigmentation

D increased time spent indoors

E a preference for soft drinks over milk in adolescents

Question #10

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

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

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

C someone who is stressed and does not get enough exercise

D someone who is addicted to drugs or alcohol

E someone who does not like to eat vegetables

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 riboflavin and vitamin K

B thiamin and vitamin C

C folate and vitamin C

D vitamin A and vitamin E

E vitamin B12 and thiamin

Question #12

Which vitamin is mismatched with its deficiency?

A vitamin K – excessive bleeding

B thiamin – beriberi

C vitamin C – scurvy

D vitamin D – pernicious anemia

E niacin – pellagra

Question #13

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

A commonly found in foods that contain fat

B toxic in excess

C easily absorbed and excreted in urine

D dissolves in lipids

E requires bile for absorption

Question #14

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

A A, Bs, K, D vitamins

B A, D, E, K vitamins

C Bs, C vitamins

D Bs, C, D, E vitamins

E A, E vitamins

Question #15

Which food item has the highest amount of vitamin C?

A ½ cup sweet red pepper

B ½ cup carrots

C 1 cup yogurt

D ½ cup rice

E 1 ounce steak

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

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

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

D They will promote the production of red blood cells.

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

Question #17

Which symptom is not associated with vitamin B deficiency?

A increased appetite

B irritability

C forgetfulness

D muscle pain

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 saturated fat

B trans fat

C meat

D fried food

E polyunsaturated 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 riboflavin

B vitamin A

C vitamin E

D vitamin D

E thiamin

Question #20

B12 supplements mask a folate deficiency.

A TRUE

B FALSE

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