Question 1

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

Accepted Answer

The origin is the stationary attachment point, usually proximally located, while the insertion is the mobile attachment point, usually distally located.

Question 2

During elbow flexion, which muscle acts as the agonist and which as the antagonist?

Accepted Answer

Biceps brachii is the agonist; triceps brachii is the antagonist.

Question 3

A patient presents with flaccid paralysis and drooping of one side of the face. Which nerve is most likely damaged?

Accepted Answer

Facial nerve (CN VII)

Question 4

Which muscle is responsible for closing the mouth during chewing and is innervated by the trigeminal nerve (CN V)?

Accepted Answer

Masseter

Question 5

Which muscle acts as a fixator to prevent movement of the scapula when the biceps move the radius?

Accepted Answer

Rhomboid

Question 6

Which of the following muscles is NOT part of the rotator cuff (SITS muscles)?

Accepted Answer

Teres major

Question 7

A muscle that aids the prime mover in performing its action is called a:

Accepted Answer

Synergist

Question 8

Which muscle is the prime mover for shoulder abduction?

Accepted Answer

Deltoid

Question 9

Which muscle is primarily responsible for plantar flexion of the ankle and also assists in knee flexion?

Accepted Answer

Gastrocnemius

Question 10

A patient is unable to abduct their thigh. Which muscle is most likely weakened?

Accepted Answer

Gluteus medius

Question 11

Which muscle is the prime mover for hip flexion and is composed of two muscles?

Accepted Answer

Iliopsoas (iliacus + psoas major)

Question 12

Which muscle group is antagonistic to the quadriceps femoris during knee movement?

Accepted Answer

Hamstrings

Question 13

Which muscle is responsible for dorsiflexion of the ankle?

Accepted Answer

Tibialis anterior

Question 14

Which abdominal muscle is primarily responsible for trunk flexion?

Accepted Answer

Rectus abdominis

Question 15

Which muscle is the prime mover for hip extension?

Accepted Answer

Gluteus maximus

Question 16

Which muscle is responsible for holding food between the cheek and teeth and is also involved in whistling?

Accepted Answer

Buccinator

Question 17

Which muscle is a synergist for medial rotation of the shoulder along with latissimus dorsi?

Accepted Answer

Teres major

Question 18

Which muscle is innervated by cranial nerve VII and is responsible for closing the eyes?

Accepted Answer

Orbicularis oculi

Question 19

Which muscle group is responsible for extending the knee?

Accepted Answer

Quadriceps femoris

Question 20

Which muscle is the primary breathing muscle, separating the thoracic and abdominal cavities?

Accepted Answer

Diaphragm

Muscle Anatomy and Function: Study Notes for ANP College Students

Study Guide - Practice Questions

Study Guide - Flashcards