Question 1

Which connective tissue layer surrounds individual muscle fibers in a skeletal muscle?

Accepted Answer

Endomysium

Question 2

A muscle that encircles an opening and constricts it when contracted is known as a:

Accepted Answer

Sphincter

Question 3

Which muscle shape is characterized by fibers feathering out from both sides of a single tendon?

Accepted Answer

Bipennate

Question 4

The biceps brachii is an example of which muscle shape?

Accepted Answer

Fusiform

Question 5

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

Accepted Answer

Storing calcium

Question 6

In a third-class lever system, which of the following is the correct arrangement?

Accepted Answer

Force in the middle, load and fulcrum at opposite ends

Question 7

Which muscle is named for its attachments to the sternum, clavicle, and mastoid process?

Accepted Answer

Sternocleidomastoid

Question 8

A muscle strain occurs when:

Accepted Answer

A muscle is overstretched or contracts with excessive force, causing tears in muscle fibers

Question 9

Which treatment method is recommended for a muscle strain to reduce inflammation and promote healing?

Accepted Answer

ICE method: Protect, Rest, Ice, Compression, Elevation

Question 10

Which of the following muscle names indicates a muscle that is deep to another muscle?

Accepted Answer

Flexor digitorum profundus

Question 11

What is the primary function of the agonist muscle during movement?

Accepted Answer

Produces most of the force for the movement

Question 12

Which lever system in the body is most common and is exemplified by the elbow joint?

Accepted Answer

Third-class lever

Question 13

If a muscle attaches to the femur and the pelvis, which bone is typically the origin when bending the knee?

Accepted Answer

Femur

Question 14

Which term describes the ability of skeletal muscle to convert chemical energy from ATP into mechanical energy?

Accepted Answer

Contractility

Question 15

Which muscle shape is broad at one end and tapers to a single tendon at the other end?

Accepted Answer

Convergent

Question 16

What is the mechanical advantage of a lever system in the body?

Accepted Answer

The lever uses a small force to move a large load

Question 17

Which muscle type is under voluntary control and must be stimulated by the nervous system to contract?

Accepted Answer

Skeletal muscle

Question 18

Which anatomical term in a muscle name indicates its position as 'toward the midline'?

Accepted Answer

Medial

Question 19

Which of the following is a symptom of a muscle strain?

Accepted Answer

Swelling and bruising

Question 20

Which muscle shape consists of evenly spaced fascicles attached to a tendon that is the same width as the muscle?

Accepted Answer

Parallel

Chapter 9: The Muscular System – Structure and Function of Skeletal Muscles

Study Guide - Practice Questions