Video Submission Q1 — Unit test Answers

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1
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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.
2
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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.
4

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
5

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

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
A
B
B
C
C
D
D
9

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
10

If an individual started running 10 miles three times a week, there would most likely be an __________.

A
increase in flexibility
B
increase in muscular strength
C
increase in muscular endurance
D
increase in weight
12

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
13

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
14

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
16

An individual has sarcopenia. In order to prevent this condition from becoming any worse, what action should be taken?

A
decrease the amount of time spent exercising each week
B
participate in more activities like weight training
C
cut back on the use of heavy weights
D
increase supplements and eat a healthier diet
18

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.
19

High levels of cholesterol can first lead directly to __________.

A
strokes
B
arteriosclerosis
C
heart attacks
D
heart failure
20

Weight training has the biggest effect on __________.

A
cardiac muscles
B
smooth muscles
C
involuntary muscles
D
skeletal muscles

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