Chapter 9 Flashcards Preview

Nutrition > Chapter 9 > Flashcards

Flashcards in Chapter 9 Deck (30)
Loading flashcards...
0

​1.​The fuel for all body processes that traps energy released from food is (are)
a.
electrons.
b.
acetyl coenzyme A.
c.
glucose-6-phosphate.
d.
adenosine triphosphate.

D

1

​2.​Energy-supplying nutrients are eventually broken down to
a.
glucose and fatty acids.
b.
ketone bodies and urea.
c.
free radicals and oxygen.
d.
carbon dioxide and water.

D

2

​3.​The total amount of energy in a bowl of soup that contains 5 g of protein, 2 g of fat, and 20 g of carbohydrate is _____ kcals.
a.
27
b.
108
c.
118
d.
133

C

3

​4.​Aerobic glycolysis occurs in the
a.
nucleus.
b.
cytoplasm.
c.
membrane.
d.
mitochondria.

D

4

​5.​Before they enter the tricarboxylic acid (TCA) cycle, fatty acids are broken down to
a.
keto acids.
b.
pyruvic acid.
c.
ketone bodies.
d.
acetyl coenzyme A.

D

5

​6.​In order to be used as an energy source, amino acids have to undergo
a.
beta-oxidation.
b.
deamination.
c.
glycogenesis.
d.
ketogenesis.

B

6

​7.​Energy for short-term, high-intensity activities such as sprinting is obtained mostly via
a.
adrenaline release.
b.
aerobic pathways.
c.
anaerobic pathways.
d.
oxidation of fatty acids.

C

7

​8.​If someone goes on a long hike, after 4 hours most of their energy will be obtained from
a.
glucose.
b.
glycogen.
c.
fatty acids.
d.
amino acids.

C

8

​9.​Basal metabolic rate represents
a.
total energy expenditure.
b.
the amount of energy expended while at rest.
c.
the amount of energy expended in physical activity.
d.
the amount of energy required to support life-sustaining processes.

D

9

​10.​Of the following, the person who would be expected to have the highest energy expenditure is a(n)
a.
active man.
b.
sedentary man.
c.
active woman.
d.
sedentary woman.

A

10

​11.​The process by which the body uses energy to adjust to changes in environmental conditions is called
a.
homeostasis.
b.
thermoregulation.
c.
adaptive thermogenesis.
d.
the thermic effect of food.

C

11

​12.​Stretching and exercises that increase flexibility are important for
a.
maintaining cardiovascular fitness.
b.
increasing muscular strength.
c.
moving muscles to their full extent without injury.
d.
building endurance for longer bouts of exercise.

C

12

​13.​The amount of physical activity needed to maintain physical fitness depends on the
a.
time of day.
b.
ambient temperature.
c.
intensity of the activity.
d.
the flexibility of the individual.

C

13

​14.​Health benefits generally associated with strength training include
a.
weight loss.
b.
increased bone density.
c.
decreased risk of cancer.
d.
improved sleep patterns.

B

14

​15.​The factor that is most effective in increasing muscle mass is
a.
exercise.
b.
low fat intake.
c.
high protein intake.
d.
amino acid supplements.

A

15

​16.​An athlete’s kcal intake is appropriate if he or she
a.
maintains a low percentage of body fat.
b.
consumes at least 1800 kcal per day.
c.
maintains a competitive and healthy weight.
d.
does not experience hunger between workouts.

C

16

​17.​If an athlete weighed 150 lbs at the beginning of an athletic event and weighed 146 lbs at the end of the event because of water lost in sweat, their athletic performance towards the end of the event would be
a.
improved.
b.
unaffected.
c.
impaired.
d.
unpredictable.

C

17

​18.​The best indicator of fluid loss during a workout is
a.
thirst.
b.
urine volume.
c.
body temperature.
d.
loss of body weight.

D

18

​19.​Sports drinks may be preferable to water for athletes who
a.
produce large volumes of sweat.
b.
exercise for longer than 90 minutes.
c.
experience hunger during workouts.
d.
exercise daily for at least 30 minutes.

B

19

​20.​An example of a good food for replacing glycogen stores is
a.
raw carrots.
b.
string cheese.
c.
breakfast cereal.
d.
scrambled eggs.

C

20

​21.​Carbohydrate loading increases glycogen stores in muscles by combining
a.
moderate exercise and low fat intake.
b.
rest and increased carbohydrate intake.
c.
intense exercise and decreased carbohydrate intake.
d.
intense exercise and high intake of complex carbohydrates.

B

21

​22.​The person who is mostly likely to need to be concerned about the adequacy of their protein intake is a
a.
male bodybuilder.
b.
woman who walks 30 minutes per day.
c.
man who plays basketball twice a week.
d.
female vegetarian runner with a low kcal intake.

D

22

​23.​When an athlete eats more protein or amino acids than he or she needs, the extra amino acids are
a.
stored in the amino acid pool.
b.
used to increase muscle mass.
c.
converted to storage protein by the liver.
d.
deaminated and used as an energy source.

D

23

​24.​Athletes who exercise regularly are able to exercise for longer, partly because their body uses more energy from
a.
fat.
b.
protein.
c.
amino acids.
d.
carbohydrates.

A

24

​25.​An example of an athlete who is most likely to benefit from a multivitamin/mineral supplement that provides 100% of the DRI is a
a.
gymnast.
b.
swimmer.
c.
bodybuilder.
d.
football player.

A

25

​26.​An ergogenic aid that may have proven beneficial effects is
a.
ginseng.
b.
creatine.
c.
arginine.
d.
carnitine.

B

26

​27.​An example of a beverage that may have an ergogenic effect is
a.
milk.
b.
beer.
c.
coffee.
d.
ginseng tea.

C

27

​28.​Competitive athletes are vulnerable to marketing claims about supplements and ergogenic aids because
a.
supplements are often cheaper than a balanced diet.
b.
a slight increase in performance can allow them to win.
c.
very little is known about appropriate foods for athletes.
d.
supplements are more readily available than healthful foods.

B

28

​29.​During exercise, the digestive process
a.
speeds up.
b.
slows down.
c.
stops completely.
d.
favors breakdown of fat over carbohydrates.

B

29

​30.​The process by which one person learns a healthful lifestyle behavior by following the example of another person is known as
a.
chaining.
b.
modeling.
c.
projecting.
d.
replicating.

B