Question 1

Which type of muscle is responsible for involuntary movements?

Accepted Answer

Smooth muscle

Answer

Skeletal muscle

Answer

Cardiac muscle

Answer

Abdominal muscle

Question 2

Which of the following is a characteristic of cardiac muscle?

Accepted Answer

It is striated

Answer

It is voluntary

Answer

It is responsible for peristalsis

Answer

It is found in the walls of blood vessels

Question 3

Which muscle group is primarily responsible for extension of the knee joint?

Accepted Answer

Quadriceps femoris

Answer

Hamstrings

Answer

Gastrocnemius

Answer

Deltoid

Question 4

What is the main function of the muscular system?

Accepted Answer

To facilitate movement

Answer

To aid in digestion

Answer

To regulate body temperature

Answer

To protect internal organs

Question 5

Which statement best describes how antagonistic muscle pairs work in the muscular system?

Accepted Answer

Antagonistic muscle pairs work by one muscle contracting while the other relaxes.

Answer

Antagonistic muscle pairs work by both muscles contracting simultaneously.

Answer

Antagonistic muscle pairs work by both muscles relaxing simultaneously.

Answer

Antagonistic muscle pairs work by one muscle contracting while the other remains static.

Question 6

Which muscle is considered the antagonist to the biceps?

Accepted Answer

Triceps

Answer

Quadriceps

Answer

Deltoids

Answer

Hamstrings

Question 7

Which muscle acts as the antagonist to the quadriceps?

Accepted Answer

Hamstrings

Answer

Biceps

Answer

Triceps

Answer

Deltoids

Question 8

Which muscle is considered the antagonist to the hamstrings?

Accepted Answer

Quadriceps

Answer

Biceps

Answer

Triceps

Answer

Deltoids

Question 9

What is the main difference between isometric and isotonic movements?

Accepted Answer

The amount of joint movement

Answer

The amount of muscle activation

Answer

The speed of muscle contraction

Answer

The type of muscle fiber used

Question 10

Which type of muscle contraction involves the muscle staying the same length while it contracts?

Accepted Answer

Isometric contraction

Answer

Concentric contraction

Answer

Isokinetic contraction

Answer

Eccentric contraction

Question 11

Which type of muscle contraction involves the muscle lengthening while it contracts?

Accepted Answer

Eccentric contraction

Answer

Isokinetic contraction

Answer

Concentric contraction

Answer

Isometric contraction

Question 12

Which type of movement involves the muscles contracting and changing joint angles?

Accepted Answer

Isotonic movement

Answer

Eccentric movement

Answer

Concentric movement

Answer

Isometric movement

Question 13

Which type of movement involves the muscles shortening while they contract?

Accepted Answer

Concentric movement

Answer

Eccentric movement

Answer

Isotonic movement

Answer

Isometric movement

Question 14

Which type of movement involves a constant muscle tension but no change in muscle length?

Accepted Answer

Isometric movement

Answer

Isotonic movement

Answer

Eccentric movement

Answer

Concentric movement

Question 15

Which type of muscle contraction involves the muscle shortening while it contracts?

Accepted Answer

Concentric contraction

Answer

Eccentric contraction

Answer

Isokinetic contraction

Answer

Isometric contraction

Question 16

Which type of muscle fibers are responsible for explosive, powerful movements?

Accepted Answer

Fast-twitch muscle fibers

Answer

Both fast-twitch and slow-twitch muscle fibers

Answer

Slow-twitch muscle fibers

Answer

Intermediate muscle fibers

Question 17

Which type of muscle fibers are more resistant to fatigue?

Accepted Answer

Slow-twitch muscle fibers

Answer

Fast-twitch muscle fibers

Answer

Both fast-twitch and slow-twitch muscle fibers

Answer

Intermediate muscle fibers

Question 18

Which type of muscle fibers contain a higher concentration of mitochondria?

Accepted Answer

Slow-twitch muscle fibers

Answer

Both fast-twitch and slow-twitch muscle fibers

Answer

Intermediate muscle fibers

Answer

Fast-twitch muscle fibers

Question 19

Which type of muscle fibers have a higher glycogen content?

Accepted Answer

Fast-twitch muscle fibers

Answer

Both fast-twitch and slow-twitch muscle fibers

Answer

Intermediate muscle fibers

Answer

Slow-twitch muscle fibers

Question 20

Which type of muscle fibers are responsible for prolonged, low-intensity activities?

Accepted Answer

Slow-twitch muscle fibers

Answer

Intermediate muscle fibers

Answer

Both fast-twitch and slow-twitch muscle fibers

Answer

Fast-twitch muscle fibers

Question 21

Which of the following is a short term effect of training on muscles?

Accepted Answer

Increased blood flow to the muscles

Answer

Decreased muscle pain

Answer

Decreased flexibility

Answer

Decreased muscle strength

Question 22

Which of the following statements is true about the short term effects of training on muscles?

Accepted Answer

Increased muscle strength

Answer

Decreased muscle temperature

Answer

Decreased muscle fatigue

Answer

Decreased heart rate

Question 23

Which of the following is NOT a long-term effect of training on muscles?

Accepted Answer

Decrease in muscle flexibility

Answer

Increase in muscle strength

Answer

Increase in muscle flexibility

Answer

Increase in muscle endurance

Question 24

Which of the following is a long-term effect of training on muscles?

Accepted Answer

Increase in muscle mass

Answer

Decrease in muscle endurance

Answer

Decrease in muscle strength

Answer

Decrease in muscle flexibility

Question 25

What is the term for the increase in the size of individual muscle fibers?

Accepted Answer

Hypertrophy

Answer

Endurance

Answer

Atrophy

Answer

Flexibility

Question 26

Which of the following describes the process of muscle fibers increasing in size and number?

Accepted Answer

Hypertrophy

Answer

Atrophy

Answer

Endurance

Answer

Flexibility

Question 27

What is the term for the gradual loss of muscle mass and strength due to inactivity or aging?

Accepted Answer

Muscle atrophy

Answer

Muscle hypertrophy

Answer

Muscle endurance

Answer

Muscle flexibility

Question 28

Which energy system is primarily used for endurance activities?

Accepted Answer

Aerobic respiration

Answer

ATP-CP system

Answer

Anaerobic glycolysis

Answer

Krebs cycle

Question 29

Which muscle type is responsible for voluntary movements?

Accepted Answer

Skeletal muscle

Answer

Cardiac muscle

Answer

Smooth muscle

Answer

Visceral muscle

Question 30

Which muscle type is responsible for involuntary contractions?

Accepted Answer

Smooth muscle

Answer

Visceral muscle

Answer

Cardiac muscle

Answer

Skeletal muscle

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