Question 1

This muscle is named for the direction of its fibers.

Accepted Answer

A)   sartorius
B)   external oblique
C)   gluteus maximus
D)   tibialis anterior

Question 2

A prime mover (agonist)  .

Accepted Answer

A)   aids the action of the muscle primarily responsible for the movement
B)   immobilizes the origin of the prime mover
C)   is primarily responsible for a movement
D)   opposes or reverses a movement

Question 3

Which of the following muscle does not form part of the rotator cuff?

Accepted Answer

A)   infraspinatus
B)   teres major
C)   supraspinatus
D)   teres minor

Question 4

This deep muscle flexes the trunk on the thigh.

Accepted Answer

A)   splenius group
B)   erector spinae
C)   iliopsoas
D)   adductor longus

Question 5

This name reveals the number of the muscle's origins.

Accepted Answer

A)   triceps brachii
B)   temporalis
C)   pectoralis major
D)   adductor longus

Question 6

Brachioradialis and sternocleidomastoid are named for _.

Accepted Answer

A)   the location of their origin and insertion
B)   their shape
C)   their relative size
D)   the direction of their muscle fibers

Question 7

This muscle originates on the spinous processes of C7 and T1 - T5, and inserts on the medial border of the scapula.

Accepted Answer

A)   infraspinatus
B)   teres minor
C)   rhomboids
D)   levator scapulae

Question 8

This large, fan-shaped muscle of the upper chest is the prime mover of arm flexion.

Accepted Answer

A)   serratus anterior
B)   pectoralis major
C)   deltoid
D)   external oblique B

Question 9

The shape of this muscle gives it its name.

Accepted Answer

A)   brachialis
B)   vastus lateralis
C)   scalenes
D)   trapezius

Question 10

This muscle is used in smiling.

Accepted Answer

A)   zygomaticus
B)   orbicularis oris
C)   levator labii superioris
D)   depressor anguli oris

Question 11

A superficial muscle of the leg, this one dorsiflexes the foot.

Accepted Answer

A)   soleus
B)   tibialis anterior
C)   gastrocnemius
D)   fibularis longus

Question 12

Commonly referred to as the , this muscle group on the posterior thigh extends the hip.

Accepted Answer

A)   hamstrings
B)   tensor fasciae latae
C)   gluteus medius
D)   quadriceps femoris

Question 13

This pair of muscles includes the prime mover of inspiration, and its synergist.

Accepted Answer

A)   external intercostals and internal intercostals
B)   diaphragm and external intercostals
C)   sternocleidomastoid and external intercostals
D)   pectoralis minor and internal intercostals B

Question 14

Commonly called as the "tailors muscle," this muscle allows one to sit in a cross-legged position.

Accepted Answer

A)   sartorius
B)   gastrocnemius
C)   hamstrings
D)   quadriceps

Question 15

When both muscles of this pair are contracted simultaneously, they flex the neck forward.

Accepted Answer

A)   trapezius
B)   sternocleidomastoid
C)   platysma
D)   semispinalis

Question 16

This powerful muscle is the prime mover of arm extension.

Accepted Answer

A)   supraspinatus
B)   latissimus dorsi
C)   teres minor
D)   rhomboids

Question 17

The primary action of muscle on the medial compartment of the thigh is .

Accepted Answer

A)   extension of the thigh
B)   adduction of the thigh
C)   abduction of the thigh
D)   flexion of the thigh

Question 18

This forearm muscle is a powerful wrist flexor.

Accepted Answer

A)   extensor digitorum
B)   palmaris longus
C)   flexor carpi radialis
D)   pronator teres

Question 19

This muscle allows you to stand on tiptoe when the knee is extended, and it flexes the knee when the foot is dorsiflexed.

Accepted Answer

A)   soleus
B)   fibularis longus and brevis acting together
C)   gastrocnemius
D)   fibularis longus

Question 20

This superficial muscle covers a large part of the posterior thorax.

Accepted Answer

A)   trapezius
B)   rhomboids
C)   pectoralis major
D)   rectus abdominis A

Exam 13: Gross Anatomy of Muscular System

This muscle is named for the direction of its fibers.

Correct AnswerverifiedShow Answer

A prime mover (agonist) .

Correct AnswerverifiedShow Answer

Which of the following muscle does not form part of the rotator cuff?

Correct AnswerverifiedShow Answer

This deep muscle flexes the trunk on the thigh.

Correct AnswerverifiedShow Answer

This name reveals the number of the muscle's origins.

Correct AnswerverifiedShow Answer

Brachioradialis and sternocleidomastoid are named for _.

Correct AnswerverifiedShow Answer

This muscle originates on the spinous processes of C7 and T1 - T5, and inserts on the medial border of the scapula.

Correct AnswerverifiedShow Answer

This large, fan-shaped muscle of the upper chest is the prime mover of arm flexion.

Correct AnswerverifiedB

The shape of this muscle gives it its name.

Correct AnswerverifiedShow Answer

This muscle is used in smiling.

Correct AnswerverifiedShow Answer

A superficial muscle of the leg, this one dorsiflexes the foot.

Correct AnswerverifiedShow Answer

Commonly referred to as the , this muscle group on the posterior thigh extends the hip.

Correct AnswerverifiedShow Answer

This pair of muscles includes the prime mover of inspiration, and its synergist.

Correct AnswerverifiedB

Commonly called as the "tailors muscle," this muscle allows one to sit in a cross-legged position.

Correct AnswerverifiedShow Answer

When both muscles of this pair are contracted simultaneously, they flex the neck forward.

Correct AnswerverifiedShow Answer

This powerful muscle is the prime mover of arm extension.

Correct AnswerverifiedShow Answer

The primary action of muscle on the medial compartment of the thigh is .

Correct AnswerverifiedShow Answer

This forearm muscle is a powerful wrist flexor.

Correct AnswerverifiedShow Answer

This muscle allows you to stand on tiptoe when the knee is extended, and it flexes the knee when the foot is dorsiflexed.

Correct AnswerverifiedShow Answer

This superficial muscle covers a large part of the posterior thorax.

Correct AnswerverifiedA

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B

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B

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A