Fitness & health

Question 1

Which of the following foods shows evidence of having anticancer activity?

Answer 1

A) tomatoes
B) carrots
C) cabbage*
D) corn

Question 2

Which of the following promotes water loss from the body?

Answer 2

A) Neither alcohol nor caffeine promotes water loss.
B) caffeine
C) alcohol
D) Both alcohol and caffeine promote water loss.*

Question 3

The best way to replace water lost by the body is to drink

Answer 3

plain water

Question 4

The immediate source of energy for muscle action is

Answer 4

ATP

Question 5

Increased levels of ________ have been shown to increase production of interferons by the body

Answer 5

vitamin C

Question 6

Which of the following has the same health effects as butter?

Answer 6

trans-fatty acids

Question 7

A Vitamin E deficiency can lead to

Answer 7

muscular dystrophy.

Question 8

Which vitamin promotes the development of healthy bones and the absorption of calcium and phosphate?

Answer 8

vitamin D

Question 9

The DRI values for vitamins and nutrients are set by

Answer 9

the Food and Nutrition Board of the U.S. National Academy of Sciences

Question 10

It is recommended that our diets contain no more than

Answer 10

35% calories from fats

Question 11

The number of dieters who lose weight and then gain it back is approximately

Answer 11

90%

Question 12

The new Dietary Guidelines recommend which of the following?

Answer 12

Adults should compare the sodium content for processed foods and choose foods with lower amounts of sodium

Question 13

If insufficient oxygen is available to muscles during energy conversion, the by-products of energy production are water and

Answer 13

lactic acid

Question 14

β-carotene is a precursor of

Answer 14

vitamin A

Question 15

An oxygen debt is incurred when a person is engaged in

Answer 15

anaerobic exercise

Question 16

Muscle is built through exercise. If a person stops exercising, how long will it take for the muscle to start to shrink?

Answer 16

two days

Question 17

Which vitamin is sometimes called the “antiaging” vitamin?

Answer 17

vitamin E

Question 18

How much essential body fat does the female body require?

Answer 18

10-12%

Question 19

How much essential body fat does the male body require?

Answer 19

3%

Question 20

Which of the following is NOT commonly known to be a vitamin deficiency disease?

Answer 20

cancer

Question 21

Once ATP is depleted, the next available energy source for muscle is from

Answer 21

glycogen

Question 22

The symptoms of dehydration include

Answer 22

A) cloudy urine.
B) tired or cramped muscles.
C) all of the above.*
D) dizziness or fainting

Question 23

Which of the following is an appetite stimulant?

Answer 23

ghrelin

Question 24

The drug most commonly used by athletes and others to relieve pain is

Answer 24

aspirin

Question 25

Which of the following statements about vitamin A is NOT correct?

Answer 25

Vitamin A is needed for good vision.
B) Vitamin A is needed for bone development.
C) Vitamin A is water soluble.*
D) Vitamin A can be toxic in large doses.

Question 26

A vegetarian who is not on vitamin supplements is likely to show a deficiency in which vitamin?

Answer 26

B12

Question 27

Muscles are built by

Answer 27

exercising

Question 28

Vigorous activity will lead to an increase of pain-relieving substances called

Answer 28

endorphins

Question 29

Which of the following is an appetite suppressant?

Answer 29

peptide YY (PYY)

Question 30

Heat strokes resulting from physical exertion occur when the body’s heat regulatory system fails. This condition is likely to occur when

Answer 30

the body is dehydrated

Question 31

What hormone signals the kidneys to conserve water?

Answer 31

antidiuretic hormone (ADH).

Question 32

Which will generate the lowest amount of carbon dioxide ?

Answer 32

biking

Question 33

The body mass index (BMI) is determined by which of the following physical quantities?

Answer 33

weight and height

Question 34

Which vitamin is sometimes called the “antisterility” vitamin?

Answer 34

vitamin E

Question 35

Which activity is aided by a large proportion of fast-twitch muscles?

Answer 35

lifting a 100 kg weight

Question 36

Vitamin D is a steroid-type vitamin that offers protection against

Answer 36

rickets

Question 37

Which activity would be aided by a large proportion of slow-twitch muscles?

Answer 37

swimming 2.5km

Question 38

For someone on a diet that restricts carbohydrate intake

Answer 38

A) fat and protein are lost.
B) only glycogen is lost.
C) only fat is lost.
D) only protein is lost.

Question 39

The recommended body mass index (BMI) for an adult is

Answer 39

between 18.5 and 24.9

Question 40

Muscle is built through exercise. If a person stops exercising, how long will it take for the muscle to start to shrink?

Answer 40

2 days