Question 1

Which connective tissue layer surrounds each individual skeletal muscle fiber?

Accepted Answer

Endomysium

Question 2

A muscle that opposes or reverses the action of a prime mover is called a(n):

Accepted Answer

Antagonist

Question 3

Which of the following statements about skeletal muscle is TRUE?

Accepted Answer

Skeletal muscles can only pull; never push.

Question 4

The arrangement of fascicles in a muscle that converge toward a single tendon is called:

Accepted Answer

Convergent

Question 5

Which muscle is named for its location and shape?

Accepted Answer

Deltoid

Question 6

If a muscle is called 'flexor digitorum profundus,' what does 'profundus' indicate?

Accepted Answer

It is a deep muscle.

Question 7

Which of the following is a function of skeletal muscle that is NOT directly related to movement?

Accepted Answer

Generating heat for thermoregulation

Question 8

In a lever system, which component acts as the rigid bar that moves?

Accepted Answer

Bone

Question 9

A muscle named 'abductor pollicis longus' performs which action?

Accepted Answer

Abducts the thumb

Question 10

Which muscle group is responsible for extending the knee?

Accepted Answer

Quadriceps femoris

Question 11

Which of the following muscles is part of the rotator cuff?

Accepted Answer

Supraspinatus

Question 12

A muscle named 'triceps brachii' has how many heads?

Accepted Answer

Three

Question 13

Which muscle is primarily responsible for inspiration during breathing?

Accepted Answer

Diaphragm

Question 14

Which of the following is a synergist muscle action?

Accepted Answer

Adding extra force to the same movement

Question 15

If a muscle is described as 'bipennate,' what does this mean about its fascicle arrangement?

Accepted Answer

Fascicles insert into the tendon from opposite sides.

Question 16

Which equation best represents the mechanical advantage of a lever system in the body?

Accepted Answer

$$MA = \frac{length\;of\;effort\;arm}{length\;of\;load\;arm}$$

Question 17

Which muscle is responsible for plantar flexion of the ankle?

Accepted Answer

Gastrocnemius

Question 18

A muscle named 'rectus abdominis' is located in which region?

Accepted Answer

Abdominal area

Question 19

Which of the following muscles is involved in facial expression?

Accepted Answer

Orbicularis oculi

Question 20

Which muscle is responsible for dorsiflexion of the foot?

Accepted Answer

Tibialis anterior

Question 21

Which muscle group is responsible for flexing the leg at the knee?

Accepted Answer

Hamstrings

The Muscular System: Structure, Function, and Organization

Study Guide - Practice Questions