Question 1

When a skeletal muscle contracts to cause a given movement, the more movable end of attachment of the muscle is called its ________.

Accepted Answer

A)   origin
B)   insertion
C)   antagonist
D)   synergist
E)   fixatorF) D) and E)
G) C) and E)

Question 2

Which of these muscles helps to open the mouth?

Accepted Answer

A)   Zygomaticus major
B)   Digastric
C)   Sternohyoid
D)   Depressor anguli oris
E)   HyoglossusF) B) and D)
G) A) and E)

Question 3

Of the following muscles of the leg, which one is on the anterior side of the leg?

Accepted Answer

A)   Gastrocnemius
B)   Soleus
C)   Tibialis anterior
D)   Tibialis posterior
E)   Peroneus longusF) D) and E)
G) C) and D)

Question 4

Which of the following muscles is involved in chewing gum?

Accepted Answer

A)   Masseter
B)   Splenius capitus
C)   Orbicularis oris
D)   Zygomaticus major
E)   Orbicularis oculiF) A) and E)
G) B) and D)

Question 5

Which of the following correctly lists the arrangement of components found in a third-class lever?

Accepted Answer

A)   Weight-fulcrum-pull
B)   Fulcrum-pull-weight
C)   Fulcrum-weight-pullD) B) and C)
E) A) and B)

Question 6

The orbicularis oris muscle

Accepted Answer

A)   puckers the mouth for kissing.
B)   contributes to pouting.
C)   contributes to laughing and smiling.
D)   causes crow's feet wrinkles.
E)   raises the eyelid.F) B) and D)
G) A) and E)

Question 7

Contraction of the inferior rectus muscle directs the pupil to look ________.

Accepted Answer

A)   up
B)   obliquely
C)   to the side
D)   to the nose
E)   downF) A) and B)
G) B) and E)

Question 8

-The figure illustrates a lateral view of the right eyeball. What does "D" represent?

Accepted Answer

A)   Inferior oblique
B)   Lateral rectus
C)   Superior oblique
D)   Superior rectus
E)   Inferior rectusF) All of the above
G) None of the above

Question 9

Which muscle rotates and protracts the scapula, and elevates the ribs?

Accepted Answer

A)   Levator scapulae
B)   Serratus anterior
C)   Pectoralis minor
D)   Subclavius
E)   Rhomboideus majorF) B) and C)
G) None of the above

Question 10

-The figure illustrates muscles of the anterior surface of the body. What does "A" represent?

Accepted Answer

A)   Coracobrachialis
B)   Deltoid
C)   Pectoralis major
D)   Biceps brachii
E)   Serratus anteriorF) B) and C)
G) All of the above

Question 11

The arm is attached to the thorax by the ________.

Accepted Answer

A)   pectoralis major and teres major
B)   supraspinatus and latissimus dorsi
C)   pectoralis minor and pectoralis major
D)   latissimus dorsi and pectoralis major
E)   biceps brachii and triceps brachiiF) A) and C)
G) A) and B)

Question 12

Which of the following correctly states the proximal and distal attachments of the sternocleidomastoid?

Accepted Answer

A)   Sternal manubrium and lateral one-third of clavicle; mastoid process and lateral half of superior nuchal line
B)   Sternal manubrium and medial half of clavicle; mastoid process and medial one-third of superior nuchal line
C)   Sternal manubrium and medial one-third of clavicle; mastoid process and lateral half of superior nuchal line
D)   Sternal manubrium and lateral half of clavicle; mastoid process and lateral one-third of superior nuchal line
E)   Mastoid process and lateral half of superior nuchal line; sternal manubrium, medial one-third of clavicleF) C) and D)
G) A) and B)

Question 13

Eversion and plantar flexion is accomplished by muscles in the ________ compartment.

Accepted Answer

A)   lateral
B)   anterior
C)   posteriorD) B) and C)
E) A) and C)

Question 14

Which of the following muscles does NOT extend the neck?

Accepted Answer

A)   Trapezius
B)   Semispinalis capitis
C)   Longissimus capitis
D)   Longus capitis
E)   Splenius capitisF) A) and B)
G) A) and E)

Question 15

Contracting the trapezius muscle would

Accepted Answer

A)   extend the neck.
B)   flex the neck.
C)   laterally flex the neck.
D)   rotate the head toward the left.
E)   extend and laterally flex the neck.F) None of the above
G) A) and E)

Question 16

Which muscle will elevate the scapula?

Accepted Answer

A)   Levator scapulae
B)   Serratus anterior
C)   Pectoralis minor
D)   Subclavius
E)   Rhomboideus majorF) B) and E)
G) C) and E)

Question 17

-The figure illustrates muscles of the anterior surface of the body. What does "C" represent?

Accepted Answer

A)   Coracobrachialis
B)   Deltoid
C)   Pectoralis major
D)   Biceps brachii
E)   Serratus anteriorF) A) and B)
G) B) and C)

Question 18

Muscles can be classified based on their shape and fascicle orientation. Which shape has muscle fibers that run the length of the muscle and taper at each end?

Accepted Answer

A)   Circular
B)   Fusiform
C)   Multipennate
D)   PennateE) A) and B)
F) None of the above

Question 19

Which thoracic muscles are involved in expiration? (Check all that apply.)

Accepted Answer

A)   External intercostals
B)   Internal intercostals
C)   Scalene muscles
D)   Transversus thoracisE) C) and D)
F) A) and B)

Question 20

The rectus femoris is an example of which muscle shape?

Accepted Answer

A)   Fusiform
B)   Parallel
C)   Triangular
D)   Elongated
E)   PennateF) A) and D)
G) B) and D)

Exam 10: Muscular System: Gross Anatomy

Which of the following correctly states the proximal and distal attachments of the sternocleidomastoid?

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Which muscle rotates and protracts the scapula, and elevates the ribs?

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Which of the following correctly lists the arrangement of components found in a third-class lever?

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The rectus femoris is an example of which muscle shape?

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Contracting the trapezius muscle would

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The orbicularis oris muscle

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Which of the following muscles is involved in chewing gum?

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-The figure illustrates muscles of the anterior surface of the body. What does "C" represent?

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The arm is attached to the thorax by the ________.

Correct AnswerverifiedShow Answer

Which of the following muscles does NOT extend the neck?

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When a skeletal muscle contracts to cause a given movement, the more movable end of attachment of the muscle is called its ________.

Correct AnswerverifiedShow Answer

-The figure illustrates muscles of the anterior surface of the body. What does "A" represent?

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Of the following muscles of the leg, which one is on the anterior side of the leg?

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Muscles can be classified based on their shape and fascicle orientation. Which shape has muscle fibers that run the length of the muscle and taper at each end?

Correct AnswerverifiedShow Answer

Contraction of the inferior rectus muscle directs the pupil to look ________.

Correct AnswerverifiedShow Answer

Which muscle will elevate the scapula?

Correct AnswerverifiedShow Answer

-The figure illustrates a lateral view of the right eyeball. What does "D" represent?

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Eversion and plantar flexion is accomplished by muscles in the ________ compartment.

Correct AnswerverifiedShow Answer

Which of these muscles helps to open the mouth?

Correct AnswerverifiedShow Answer

Which thoracic muscles are involved in expiration? (Check all that apply.)

Correct AnswerverifiedShow Answer

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