Question 1

This muscle is used in smiling.

Accepted Answer

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

Question 2

The quadriceps are the prime movers of knee extension. Which muscle group is an antagonist to knee extension?

Accepted Answer

A)  tibialis anterior
B)  hamstrings
C)  gluteus maximus
D)  soleus

Question 3

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

Accepted Answer

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

Question 4

This powerful muscle is the prime mover of arm extension.

Accepted Answer

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

Question 5

This deep muscle flexes the trunk on the thigh.

Accepted Answer

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

Question 6

Located over the mandibular ramus, this muscle closes the jaw.

Accepted Answer

A)  buccinator
B)  risorius
C)  masseter
D)  epicranius, frontal belly

Question 7

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

Accepted Answer

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

Question 8

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 9

The shape of this muscle gives it its name.

Accepted Answer

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

Exam 13: Gross Anatomy of Muscular System

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

Correct Answer
verified

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

Correct Answer
verified

This powerful muscle is the prime mover of arm extension.

Correct Answer
verified

This deep muscle flexes the trunk on the thigh.

Correct Answer
verified

This muscle is used in smiling.

Correct Answer
verified

The quadriceps are the prime movers of knee extension. Which muscle group is an antagonist to knee extension?

Correct Answer
verified

The shape of this muscle gives it its name.

Correct Answer
verified

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

Correct Answer
verified

Located over the mandibular ramus, this muscle closes the jaw.

Correct Answer
verified

Exam 13: Gross Anatomy of Muscular System

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

This powerful muscle is the prime mover of arm extension.

Correct AnswerverifiedShow Answer

This deep muscle flexes the trunk on the thigh.

Correct AnswerverifiedShow Answer

This muscle is used in smiling.

Correct AnswerverifiedShow Answer

The quadriceps are the prime movers of knee extension. Which muscle group is an antagonist to knee extension?

Correct AnswerverifiedShow Answer

The shape of this muscle gives it its name.

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

Located over the mandibular ramus, this muscle closes the jaw.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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