Chapter 7 Nutrition Quizzes + Practice Exam

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

-B12 -Folate -Niacin

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

TRUE

Which specific B vitamin is critical for energy metabolism and nerve cell membranes? Deficiency in this vitamin leads to Beriberi.

Thiamin

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

Your teammate claims he is feeling very fatigued and has a bit of numbness in his legs so he is unable to make it to practice today. He also told you he recently found out he is lactose intolerant and has not been ingesting any dairy products. Which vitamin deficiency is he most likely suffering from?

Vitamin B12

When exposed to sunlight, the skin makes

Vitamin D

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

polyunsaturated fat

A neighbor has asked you for advice on what to eat to increase her folate intake. However, she is vegetarian. Which of the following food items would you suggest to best suit her needs?

1/2 cup cooked spinach

All of the following are functions of vitamin C EXCEPT which one? a. cell differentiation b. collagen synthesis c. antioxidant d. boosting iron absorption

A

What are the fat-soluble vitamins?

A, D, E, K

Which statement is true of vitamin C? a. Vitamin C is stored in fat. b. Vitamin C acts as an antioxidant. c. Vitamin C impedes the absorption of iron in food. d. Vitamin C is challenging to obtain from food.

B - ACTS AS AN ANTIOXIDANT

All of these statements are true EXCEPT which one? a. Fat-soluble vitamins are stored, and therefore overconsumption may lead to toxicity. b. Vitamins are essential, caloric nutrients that are needed in tiny amounts. c. Vitamins A, D, E, and K are fat-soluble. d. Fat-soluble vitamins require bile to be absorbed in the body.

B - vitamins are essential, caloric nutrients that are needed in tiny amounts

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

B's and C vitamins

Which B vitamin is critical for cell replication and proper nerve functioning?

B12

All the following are characteristics of the water-soluble vitamins EXCEPT which one? a. Easily lost or destroyed in food preparation and processing. b. Easily absorbed and excreted from the body. c. Overconsumption of food sources should be monitored because the vitamins can accumulate leading to toxicity. d. Foods that supply the water-soluble vitamins must be consumed frequently.

C

The following steps will help prevent vitamin losses EXCEPT which one? a. Refrigerate most fruits and vegetables to slow down vitamin losses. b. Wash intact fruit and vegetable before cutting or peeling. c. Cook vegetables at high temperatures to retain vitamin content. d. Store milk in opaque containers.

C

B12 supplements mask a folate deficiency.

FALSE

To make new cells, tissues must have which vitamin?

FOLATE

Vitamin B12 and ___ help cells multiply.

FOLATE

What is the main function of vitamin K?

Help blood to clot

Large doses of _____ , a water-soluble vitamin, have been prescribed to help improve blood lipids associated with cardiovascular disease.

NIACIN

What is the active form of vitamin A?

Retinol

Which deficiency disease is attributed to a lack of vitamin C?

SCURVY

_____ should increase their intake of vitamin C because they typically have low vitamin C blood concentrations.

SMOKERS

Which food item has the highest amount of vitamin C?

a. ½ cup sweet red pepper

All of the following are good food sources of vitamin D EXCEPT: a. tuna. b. citrus fruits. c. fortified milk. d. salmon.

b. citrus fruits.

Choose the situation that decreases the body's ability to make vitamin D. a. lighter skin b. living in the northern United States c. living in a warmer climate d. young age

b. living in the northern United States

The plant-derived precursor to vitamin A is

beta-carotene

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?

c. exclusion of grains and cereals

Which of the following is NOT a major function of vitamin A? a. immune function b. reproduction and growth c. muscle contraction and nerve transmission d. cell differentiation

c. muscle contraction and nerve transmission

Which symptom is not associated with vitamin B deficiency?

d. increased appetite

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

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

Which statement regarding water-soluble vitamins is FALSE?

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

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

e. easily absorbed and excreted in urine (water-soluble vitamin, not fat)

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?

e. folate and vitamin C

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

e. someone who is addicted to drugs or alcohol

The nutrient needed for the absorption of fat-soluble vitamins is ___

fat

Deficiencies in __________ can result in anemia, reduced immunity, and abnormal digestive function.

folate

Which of the following is LEAST likely to contribute to cases of rickets in the United States? a. a preference for soft drinks over milk in adolescents b. dark skin pigmentation c. use of UV-blocking sunscreen d. increased physical activity in organized sports e. increased time spent indoors

increased physical activity in organized sports

Unfortunately, vitamin K deficiencies may occur in ___ because they are most likely to have sterile intestinal tracts.

infants

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

intestinal bacteria

An estimated 5 million of the world's children, ages 3-5 years old, suffer from signs of vitamin _____ deficiency resulting in night blindness, diarrhea, and loss of appetite.

vitamin A

A good friend has confided in you that he has been experiencing appetite loss, nausea, vomiting, increased urination, and thirst. He is worried because his medical examination revealed that calcium has been deposited in his blood vessels and kidneys. Based on these signs and symptoms, what do you suspect your friend has been taking?

vitamin D

Which vitamin is mismatched with its deficiency? a. thiamin - beriberi b. vitamin D - pernicious anemia c. niacin - pellagra d. vitamin K - excessive bleeding e. vitamin C - scurvy

vitamin D - pernicious anemia

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

vitamin k

Which of the following is NOT a characteristic of the fat-soluble vitamins? a. They are not readily excreted and tend to build up in tissues. b. They are stored in the liver and fatty tissues. c. The fat-soluble vitamins are absorbed similarly to fat absorption. d. Toxicities are unlikely, even when taking supplements.

D

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

Vitamin D

What is found in green and leafy vegetables, helps stabilize cellular membranes, and supports immune function?

Vitamin E

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

Vitamin E

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

Vitamin E

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

precursors