Question 1

Which muscle is primarily responsible for flexing the forearm at the elbow joint?

Accepted Answer

Biceps brachii

Question 2

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

Accepted Answer

Antagonist

Question 3

The biceps brachii muscle is named based on which characteristic?

Accepted Answer

Its number of origins

Question 4

Which of the following muscles is located in the anterior compartment of the thigh and is responsible for extending the knee?

Accepted Answer

Rectus femoris

Question 5

If a patient has difficulty flexing their wrist, which muscle is most likely affected?

Accepted Answer

Flexor carpi radialis

Question 6

Which muscle is named for its action of moving the scapula forward and around the rib cage, as in pushing or punching?

Accepted Answer

Serratus anterior

Question 7

A muscle with fibers running parallel to the midline of the body is likely to have which of the following in its name?

Accepted Answer

Rectus

Question 8

Which muscle is a synergist to the biceps brachii in flexing the forearm?

Accepted Answer

Brachialis

Question 9

The gastrocnemius muscle inserts into which structure?

Accepted Answer

Calcaneal (Achilles) tendon

Question 10

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

Accepted Answer

It stabilizes the origin of the prime mover.

Question 11

A patient presents with an inability to abduct their arm at the shoulder. Which muscle is most likely injured?

Accepted Answer

Deltoid

Question 12

Which muscle is responsible for compressing the cheeks, as in blowing a trumpet?

Accepted Answer

Buccinator

Question 13

The sternocleidomastoid muscle is named for its:

Accepted Answer

Origin and insertion

Question 14

Which muscle group is primarily responsible for extending the leg at the knee?

Accepted Answer

Quadriceps femoris

Question 15

A muscle named 'flexor digitorum longus' would most likely:

Accepted Answer

Flex the fingers or toes

Question 16

Which of the following muscles is NOT part of the rotator cuff?

Accepted Answer

Teres major

Question 17

If a muscle is named 'transversus abdominis,' what does this indicate about its fibers?

Accepted Answer

They run at a right angle to the midline

Question 18

Which muscle is primarily responsible for plantar flexion of the foot?

Accepted Answer

Gastrocnemius

Question 19

A muscle with the term 'maximus' in its name is likely to be:

Accepted Answer

The largest in the group

Question 20

Which of the following best describes the action of the masseter muscle?

Accepted Answer

Elevates the mandible to close the jaw

Muscle Terminology and Classification: Structure, Naming, and Function

Study Guide - Practice Questions