Question 1

Which of the following best describes the role of a synergist muscle during movement?

Accepted Answer

It assists the prime mover by adding extra force or reducing unnecessary movement.

Question 2

A muscle that crosses on the anterior side of a joint typically produces which movement at the shoulder?

Accepted Answer

Flexion

Question 3

Which fascicle arrangement allows for the greatest range of motion but the least power?

Accepted Answer

Parallel

Question 4

The sternocleidomastoid muscle is named based on which criteria?

Accepted Answer

Location of attachments

Question 5

Which of the following muscles is an example of a muscle with a circular fascicle arrangement?

Accepted Answer

Orbicularis oris

Question 6

If a muscle acts as a prime mover in one movement, what other roles might it play in different movements?

Accepted Answer

It can act as an antagonist or a synergist.

Question 7

Which muscle attachment is typically more proximal and moves the least during contraction?

Accepted Answer

Origin

Question 8

A muscle that crosses on the lateral side of a joint produces which movement?

Accepted Answer

Abduction

Question 9

Which of the following is true regarding pennate muscles?

Accepted Answer

They have short fascicles that attach obliquely to a central tendon.

Question 10

A patient is unable to smile or frown. Which cranial nerve is most likely damaged?

Accepted Answer

Facial nerve

Question 11

Which of the following muscle names indicates both the action and the location of the muscle?

Accepted Answer

Extensor carpi radialis longus

Question 12

Which muscle arrangement is best suited for producing the most powerful contractions?

Accepted Answer

Multipennate

Question 13

A muscle that crosses on the medial side of a joint produces which movement?

Accepted Answer

Adduction

Question 14

Which of the following is NOT a criterion used in naming skeletal muscles?

Accepted Answer

Muscle color

Question 15

Which of the following best describes a fixator muscle?

Accepted Answer

A muscle that immobilizes the origin of a prime mover.

Question 16

Which of the following is an example of a muscle named for its shape?

Accepted Answer

Deltoid

Question 17

Which statement about the muscles of facial expression is correct?

Accepted Answer

They insert into the skin.

Question 18

If a muscle is named 'triceps,' what does this indicate about its structure?

Accepted Answer

It has three origins.

Question 19

Which of the following best explains why bipennate and multipennate muscles are more powerful than parallel muscles?

Accepted Answer

They contain more muscle fibers packed into a given length.

Question 20

A muscle with fibers running at right angles to the midline would most likely have which term in its name?

Accepted Answer

Transversus

The Muscular System: Structure, Function, and Major Muscles

Study Guide - Practice Questions