Video Submission Q1 — Unit test Answers

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41
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In regard to exercise, which of the following statements about safety consideration is correct?

A
In hot weather, exercising between 10 a.m. and 4 p.m. is best.
B
Exercising at 100% of your maximum heart rate is best.
C
Exercising one hour before eating is best.
D
Remaining well-hydrated while exercising is best.
42
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If Cindy wanted to increase her endurance by taking supplements or drugs, she would be attempting to increase the __________.

A
uptake of oxygen by red blood cells
B
release of sugars in the blood stream
C
uptake of carbohydrates by the body
D
release of insulin in the body
43

High blood pressure, also called hypertension, is a type of cardiovascular disease. Please select the best answer from the choices provided.

A
T
B
F
45

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
46

All of the following statements are true concerning skeletal muscles EXCEPT:

A
Skeletal muscles control involuntary body functions.
B
Skeletal muscles are controlled by the central nervous system.
C
Skeletal muscles are used to move large body parts.
D
Skeletal muscles are attached to the bones.
47

When spotting a dead lift, it is important to __________.

A
move up and down as the lifter moves
B
keep your hands on the bar at all times
C
remember not to touch the lifter unless needed
D
stay away from the lifter so they don't fall on you
50

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

A
T
B
F
51

It is important to allow a muscle group 48 hours to recover after targeted weight lifting.

A
T
B
F
52

As exercise levels increase, which of the following physiological changes occurs in the respiratory system?

A
The respiratory muscles shrink.
B
The lungs expand in size.
C
The trachea widens.
D
The airways narrow.
53

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.
54

Which of the following physiological effects occurs as a result of increased exercise?

A
the body's blood pressure decreases throughout the body
B
the blood flow is directed towards the large organs
C
the levels of oxygen in the body decreases
D
the volume of blood pumped by the heart increases
55

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.
56

The rear deltoid row is a back exercise.

A
T
B
F
57

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
59

What is the impact of arteriosclerosis?

A
inefficient blood flow
B
increased artery elasticity
C
arterial plaque deposition
D
reduced blood clotting
60

Which of the following BEST describes what alveoli are?

A
They are the smallest tubes in the respiratory system.
B
They have a small amount of surface area.
C
They are found on the end of bronchioles.
D
They are comprised of millions of cells.

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