Question 1

Which connective tissue layer directly surrounds individual skeletal muscle fibers?

Accepted Answer

Endomysium

Question 2

A muscle that is broad at one end and tapers to a single tendon at the other end is best described as which type of muscle shape?

Accepted Answer

Convergent

Question 3

Which of the following best describes the function of a fixator muscle during movement?

Accepted Answer

It holds a bone in place to make movement more efficient.

Question 4

A patient presents with a painful, inflamed area in the fascia of a muscle after repetitive exercise. What is the most likely diagnosis?

Accepted Answer

Myofascial trigger point (muscle knot)

Question 5

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

Accepted Answer

Flexor digitorum profundus

Question 6

In a third-class lever system, such as the elbow joint when lifting a weight, which of the following is the correct arrangement?

Accepted Answer

Force in the middle, load and fulcrum at opposite ends

Question 7

Which of the following best describes the mechanical advantage in a lever system?

Accepted Answer

A small force moves a large load when the fulcrum is close to the load

Question 8

A muscle strain is best described as:

Accepted Answer

A tear in the muscle due to excessive stretching or force

Question 9

Which muscle shape is characterized by fascicles that attach obliquely to a central tendon, resembling a feather?

Accepted Answer

Pennate

Question 10

If a muscle is named 'levator scapulae,' what is its likely function?

Accepted Answer

To elevate the scapula

Question 11

During a biceps curl, which muscle acts as the antagonist?

Accepted Answer

Triceps brachii

Question 12

Which of the following best describes the difference between muscle origin and insertion?

Accepted Answer

Origin is the fixed attachment, insertion is the moving attachment

Question 13

Which of the following is a real-life example of a first-class lever in the human body?

Accepted Answer

Atlanto-occipital joint (nodding the head)

Question 14

A muscle with fascicles feathering out from both sides of a single tendon is classified as:

Accepted Answer

Bipennate

Question 15

Which of the following best explains why shivering occurs when you are cold?

Accepted Answer

To generate heat through muscle contractions

Question 16

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

Accepted Answer

Circular muscle (sphincter)

Question 17

Which of the following treatments is NOT part of the PRICE method for muscle strains?

Accepted Answer

Heat application

Question 18

If a muscle is named 'vastus lateralis,' what does the name indicate about the muscle?

Accepted Answer

It is broad and located laterally

Question 19

Which of the following statements about skeletal muscle is TRUE?

Accepted Answer

Skeletal muscle is voluntary and requires nervous stimulation to contract

Question 20

A muscle that assists the agonist by providing additional force or by guiding the movement is called a:

Accepted Answer

Synergist

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

Study Guide - Practice Questions