AnswersVA-Physical Education CRUnit Test

Unit Test — Unit test Answers

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Which of the following activities is most likely to improve muscular endurance?

A
high jumping
B
long distance running
C
sprinting
D
throwing a fast ball
2
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Slow-twitch muscle fibers have a high resistance to fatigue.

A
T
B
F
3

An expert is someone who __________.

A
expends the least amount of effort for the greatest skills
B
expends the least amount of efficiency for the greatest practice
C
expends the least amount of energy for the greatest result
D
expends the least amount of experience for the greatest movements
4

Which of the following does NOT limit range of motion?

A
weak muscles
B
age
C
disease
D
bone structure
5

An individual center of gravity can usually be found __________.

A
just above the belly button
B
just above the knees
C
just below the neck
D
just below the hips
6

With age, muscles can become weaker. This is due to __________.

A
connections between nerves, which cause more pain and therefore less use
B
damage from everyday use and injuries that accumulate over time
C
disconnections between motor nerves and muscle fibers
D
difficulties that occur during muscle growth and repair
7

The knee has the same kind of joint as the elbow.

A
T
B
F
8

Why do women typically tend to have slightly greater stability than men?

A
Women are shorter than men, and shorter people are more stable.
B
Men have more muscle mass in their lower bodies that makes them stiff and less stable.
C
Women have lower centers of gravity, and lower centers of gravity provide more stability.
D
The increased muscle mass in their upper bodies makes their centers of gravity difficult to find.
9

Why does range of motion need to be measured separately for each joint?

A
The average ranges of motion of joints are not known.
B
Each joint has a different range of motion.
C
Range of motion can change rapidly in a joint.
D
none of the above
10

Which of the following is an example of improved functioning as related to the benefits of muscular strength and endurance training?

A
having stronger bones
B
easier to do household chores
C
lower blood pressure
D
larger lung capacity
11

The overriding problem with both theories of muscle growth, hypertrophy and hyperplasia, is that __________.

A
neither can be accepted as correct because muscles growth is difficult to study in humans
B
neither one is theoretically possible
C
neither has been studied by reputable scientists
D
neither has been accepted by member of the fitness community
12

What can be found in every skeletal muscle?

A
nerves, bones, cartilage, and connective tissue
B
tendons, cartilage, nerves, and blood vessels
C
muscle fibers, nerves, connective tissue, and blood vessels
D
tendons, nerves, blood vessels, and bones
13

Muscles make up more than _____ of a person's body mass.

A
10%
B
25%
C
40%
D
75%
14

Two individuals start the same training program at the same time, but one is able to grow muscle faster and larger than the other. What is the least likely explanation for this?

A
One individual was born with more muscle fibers.
B
One individual has a more consistent training schedule.
C
One individual is consuming a healthier diet.
D
One individual has a more intense training schedule.
15

According to Newton's third law of motion, if you push against a wall, the wall will __________.

A
attract you with its low gravity
B
fall over once you overcome its inertia
C
push against you with equal force
D
heat up due to energy transfer
16

In this theory of muscle growth, muscle fibers are able to split and create new fibers.

A
hypertrophy
B
hyperplasia
C
atrophy
D
none of the above
17

The energy derived from the digestion of food is __________.

A
kinetic energy
B
inertia
C
momentum
D
chemical energy
18

In some sports, muscular strength can be more important than muscular endurance. Please select the best answer from the choices provided.

A
T
B
F
19

If you wanted to increase your muscular endurance, it would be important to participate in activities that __________.

A
increase the size of the muscle cells and the amount of blood that is delivered to the muscle
B
decrease the amount of fuel that the muscle can store and increase the time it takes for the muscle to contract
C
increase the number of muscles and decrease the size of the muscle cells
D
decrease the length of the muscle and increase the thickness of the muscle
20

The joints in the fingers are __________.

A
pivot joints
B
saddle joints
C
condyloid joints
D
ball-and-socket joints

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