The Importance of Trees Answers

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1
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Slow-twitch muscle fibers have a high resistance to fatigue.

A
T
B
F
2
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Which workout schedule would be BEST suited for a weight-lifting workout that builds both strength and endurance?

A
lifting weights four days a week with 2 to 4 repetitions
B
lifting weights every day with 8 to 10 repetitions
C
lifting weights three days a week with 12 to 20 repetitions
D
lifting weights three days a week with 8 to 12 repetitions
3

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
4

When using the absolute method to assess muscular endurance, you should adjust the weight according to each individual's strength ability.

A
T
B
F
5

What do barbell curls and dips have in common?

A
They are both leg exercises.
B
They both use free weights.
C
Neither exercise is isotonic.
D
They are both arm exercises.
6

One reason the skeletal system is important is because __________.

A
without the skeletal system, an individual would not have enough calcium to live
B
the skeletal system creates the connective tissue and tendons that allow the body to move
C
the skeletal system is solely responsible for housing the body's immune system
D
the skeletal system is responsible for controlling functions of the entire body
7

All of the following statements concerning drugs and supplements are true EXCEPT:

A
Many drugs and supplements are ineffective and expensive.
B
Many supplements and drugs are frequently used to improve performance and appearance.
C
Supplements and drugs both undergo stringent government testing.
D
Supplements and drugs can both cause unwanted side effects.
8

When comparing the proper position for spotting different exercises, you can conclude that, in spotting any exercise, it is important to __________.

A
stand with your feet together
B
keep your hand on the bar
C
keep your back upright
D
Place your hand inside the lifter's hands
9

Without the skeletal system, the body could not fight off infection.

A
T
B
F
10

Jackie noticed an increase in appetite after she started weight training. Since she did not change her eating habits, her body fat began to drop. Why did this happen?

A
Weight training slows the metabolism in order to allow muscles to grow and repair. This causes fat loss.
B
Even though Jackie says she did not change her eating habits, she must have consumed fewer calories, causing her weight to drop.
C
When Jackie is exercising she does not have time to eat. This, combined with the calories burned during exercise, must have been enough to cause her body fat to drop.
D
As muscle mass increases, so does metabolism. A higher metabolism burns more fat.
11

Which of the following is a myth about weight lifting?

A
Not everyone can become a bodybuilder through weight training.
B
Women who lift weights will develop large, bulky muscles.
C
People who weight train don't need protein supplements.
D
Spot training cannot help someone lose fat in a specific body area.
12

An example of a skeletal muscle working occurs when a person __________.

A
perspires heavily
B
digests food
C
takes a breath
D
stands up
13

When spotting an overhead press, the spotter would need to __________.

A
keep his or her hands off the lifter and weights and make sure the lifter did not fall back
B
keep his or her hands beneath the bar and watch the bar carefully
C
hold the lifter under his or her shoulders and move with the lifter as the weight is lifted
D
place his or her hands outside the lifter's hands and stand with a straight back
14

A one-repetition maximum is most important in developing muscle __________.

A
strength
B
size
C
endurance
D
appearance
15

The principal benefit of speed loading is to increase __________.

A
overall muscle strength
B
flexibility
C
muscle endurance
D
natural movement speed
16

When spotting a bench press, the spotter stands with a straight back, hands under the arms of the lifter, and carefully watches the bar. This demonstrates __________.

A
good technique because the form is appropriate
B
poor technique because the back should be bent
C
poor technique because the spotter should be moving up and down with the lifter as they lift the weight
D
poor technique because the spotter should have their hands underneath the bar
17

When doing curls, John is careful to extend through the full range of motion and quickly lock his elbows to make sure that he does not drop the weight. This is an example of __________.

A
a good technique because he moves quickly
B
a bad technique because he moves through the range of motion
C
a good technique because he is paying attention to form
D
a bad technique because he quickly locks a joint
18

What distinguishes push-ups from other chest exercises such as the bench press and dumbbell flies?

A
The bench press also exercises the legs.
B
Push-ups are a variable resistance exercise.
C
Push-ups do not require any weights or machines.
D
Push-ups are not actually chest exercises.
19

Communication between a spotter and lifter should take place __________.

A
before lifting
B
during the last set
C
at all times
D
while planning the routine
20

Which statement correctly describes the path that an electrical impulse would take after someone touched a hot pot?

A
The signal travels through the nerve of the hand to the spinal cord and then to the brain.
B
The signal travels through the spinal cord, to the nerve in the hand, and then to the brain.
C
The signal travels from the brain, through the spinal cord, and then to the nerve in the hand.
D
The signal travels through the spinal cord, to the brain, and then to the nerve in the hand.

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