Chapter 3

Question 1

Which of the following is NOT a function of skeletal muscle?

Answer 1

Transmission of Nervous signals from brain

Question 2

True or False? Third-class levers are the most common type of lever in the human body

Answer 2

True

Question 3

*True or False? Skeletal muscle is the only muscle type is under voluntary control

Answer 3

True

Question 4

*Which of the following muscle fiber types is feather-shaped?

Answer 4

Pennate

Question 5

Which of the following skeletal muscle properties allows the muscle to return to its original shape after shortening or lengthening?

Answer 5

Elasticity

Question 6

*True or False? The thicker a muscle’s cross-sectional area, the less force production it can generate

Answer 6

False

Question 7

*Based on its name, we can guess that which of the following is a large muscle in the chest area?

Answer 7

Pectoralis Major

Question 8

*Which of the following is an example of a fusiform muscle?

Answer 8

Biceps Brachii

Question 9

*Which type of muscle is responsible for creating joint movement and is known as the ‘prime mover”?

Answer 9

Agonist

Question 10

True or False? Mechanoreceptors are proprioceptors located in the inner ear that provide feedback about head position

Answer 10

False

Question 11

*The point where the epimysium, or deep layer of fascia, converges to form a tendon is known as which of the following

Answer 11

Musculotendinous Junction

Question 12

A sphincter muscle is an example of which type of muscle fiber arrangement?

Answer 12

Circular

Question 13

*True or False? Active range of motion occurs when the client rests while the therapist moves a joint through its possible movements

Answer 13

False

Question 14

Based on its name, we can guess that which of the following is a three-headed muscle in the arm?

Answer 14

Triceps Brachii

Question 15

*In which type of muscle contraction is muscle length unchanged?

Answer 15

Isometric

Question 16

Individual muscle cells are known as which of the following?

Answer 16

Fibers

Question 17

Which type of muscle fiber resists fatigue, relies on aerobic energy production, and is best for endurance activities?

Answer 17

Slow twitch

Question 18

*The theory that explains how an action potential leads to muscle contraction is which of the following?

Answer 18

Sliding filament theory

Question 19

*Which of the following skeletal muscle properties allows shortening and thickening of the muscle in response to a specific stimulus?

Answer 19

Contractility

Question 20

*Which muscle tissue type is unique in that the electrical impulse needed for fiber contraction travels from cell to cell?

Answer 20

Cardiac