Deck 7: Physiological Changes: Health-Related Physical Fitness

Question 1

Bradycardia refers to

A) slow heart rate
B) rapid heart rate
C) shortness of breath
D) submaximal exercise

Answer 1

A

Question 2

The number of times the heart beats each minute

A) is defined as stroke volume
B) at rest is consistently lower in childhood than in adulthood
C) is defined as heart rate
D) is defined as stroke volume AND at rest is consistently lower in childhood than in adulthood
E) at rest is consistently lower in childhood than in adulthood AND is defined as heart rate

Answer 2

C

Question 3

Maximal heart rate can be estimated by

A) 200 - age
B) 200 + age
C) 220 + age
D) 220 - age
E) the size of the individual

Answer 3

D

Question 4

The amount of blood pumped from the heart with each beat is

A) defined as heart rate
B) defined as stroke volume
C) limited by heart size
D) defined as heart rate AND limited by heart size
E) defined as stroke volume AND is limited by heart size

Question 5

Resting cardiac output

A) increases with age
B) decreases with age
C) is determined by stroke volume divided by maximal heart rate
D) increases with age AND is determined by stroke volume divided by maximal heart rate
E) decreases with age AND is determined by stroke volume divided by maximal heart rate

Question 6

The best single measure of physical working capacity is

A) maximal oxygen consumption
B) maximal heart rate
C) stroke volume
D) resting heart rate
E) systolic blood pressure

Question 7

Loss of aerobic power in a 70-year-old is, in part, caused by

A) decrease in fat tissue
B) increase in fat tissue
C) decrease in bone density
D) increase in bone density
E) increase in hemoglobin concentration

Question 8

The most popular field test of cardiovascular endurance is the

A) step test
B) jump rope test
C) 50-yard run
D) shuttle run
E) distance run

Question 9

To benefit the cardiovascular system of young and middle-aged adults, endurance training should include

A) 75-150 minutes of moderate intensity exercise weekly
B) la 150-300 minutes of moderate intensity exercise weekly
C) 75-150 minutes of vigorous exercise weekly
D) 150-300 minutes of vigorous exercise weekly
E) a and c
F) b and c

Question 10

Most authorities believe that individuals in their 70s and 80s who succeed in exercise performance such as the 10K road can attribute their success to

A) active lifestyles
B) large hearts
C) competition in athletics at a young age
D) retirement centers

Question 11

Muscular force exerted against a movable object with a change in the length of the exercised muscle is

A) static
B) isometric
C) isotonic
D) tensiometric

Question 12

The test that is most frequently used to measure static force production because it is reliable and easy to administer is

A) Cybex
B) grip strength
C) power lifting
D) plyometrics
E) flexometer

Question 13

A confounding factor in measures of muscular strength is

A) body weight
B) height
C) flexibility
D) forearm length

Question 14

The sport that involves maximum lifts-including the snatch, clean-and-jerk, squat, bench press, and dead lifts-is referred to as

A) weight training
B) power lifting
C) aerobic fitness
D) all selections are correct

Question 15

According to the United States Power Lifting Federations, maximum lifting

A) is dependent on biological maturity
B) is not recommended before age 14
C) is not recommended for children of any age
D) should not be performed by girls of any age

Question 16

Research on older individuals who engage in strength training indicates that

A) individuals over 50 should not initiate a strength training program
B) senior citizens can show improvement in strength
C) senior citizens who take medication for hypertension should not engage in strength training programs
D) none of the selections is correct

Question 17

A potential cause of muscle deterioration in the elderly population is a(an)

A) increase in size of muscle fibers
B) increase in number of muscle fibers
C) increase in androgen production
D) decrease in size and number of muscle fibers
E) decrease in androgen production

Question 18

Research on flexibility indicates that

A) there is no strong correlation with age
B) peak flexibility is achieved in midlife
C) peak flexibility is achieved in the late teens or early 20s
D) boys at all ages are more flexible than girls

Question 19

The preferred method for estimating percent body fat is

A) skinfold calipers
B) hydrostatic weighing
C) health-o-meters
D) potassium 40

Question 20

According to the World Health Organization, where does physical inactivity rank in terms of global mortality?

A) first
B) second
C) third
D) fourth

Question 21

Maximum stroke volume is generally achieved at what percentage of maximum aerobic power?

A) 30%
B) 40%
C) 50%
D) 60%
E) 70%

Question 22

Overall, women's total maximal absolute body strength is about what percent of men's overall maximal absolute body strength?

A) 23.5%
B) 33.5%
C) 43.5%
D) 53.5%
E) 63.5%

Question 23

By 80-89 years of age, men can lose as much as what percent of their muscle mass?

A) 10%
B) 20%
C) 30%
D) 40%
E) 50%

Question 24

According to Isaacs and Pohlman (2000), for every kilogram increase in body fat there is a decrease in vertical jump performance of school age children (7-11 years) of

A) 1/4 inch
B) 1/2 inch
C) 3/4 inch
D) 1 inch
E) 1 1/4 inch

Question 25

What do the following sentences refer to :
-Amount of blood ejected with each beat of the left ventricle.

Question 26

What do the following sentences refer to :
-Maximal stroke volume is achieved at this percent of maximal aerobic power.

Question 27

What do the following sentences refer to :
-The percentage reduction that occurs in resting cardiac output between 25 and 85 years of age.

Question 28

What do the following sentences refer to :
-According to the American College of Sports Medicine, the minimal HR intensity for acquiring cardiorespiratory benefits is what percent of maximum heart rate?

Question 29

What do the following sentences refer to :
-A sport involving lifting weights.

Question 30

What do the following sentences refer to :
-Weight training guidelines for young children emphasis this type of muscle action.

Question 31

What do the following sentences refer to :
-Initial gains in strength following resistance training are primarily the result of what mechanism?

Question 32

What do the following sentences refer to :
-What body mass index score is the cutoff point for the classification of obesity?

Question 33

What do the following sentences refer to :
-According to NHANES data (2015-2016), what percent of children 6 to 11 years of age are obese

Question 34

What do the following sentences refer to :
-According to NHANES data (2015-2016), what percent of American adults are obese?

Question 35

Maximal stroke volume is achieved during submaximal work at an average aerobic power of 50%.

Question 36

Aerobic activity has been shown to significantly increase maximal oxygen consumption in young children.

Question 37

The age-related decline in maximal oxygen consumption is about 3% per year after 25 years of age.

Question 38

Approximately 33% of American youth between 6 and 19 years of age are obese.

Question 39

Both boys and girls should not be allowed to perform maximum lifts until reaching a Tanner stage 4 level of development.

Question 40

In the early phases of strength training, increases in muscular strength are mainly due to muscle hypertrophy.

Question 41

Peak flexibility is generally achieved between 9 and 12 years of age.

Question 42

One is considered "overweight" when body mass index exceeds 30 kg/m².

Question 43

Approximately 50% to 80% of a child's physical fitness training should be strength training.

Question 44

Obesity in women over 60 years of age exceeds 38%.