Question 1

-What does "A" represent?

Accepted Answer

A)   coracobrachialis
B)   deltoid
C)   pectoralis major
D)   biceps brachii
E)   serratus anteriorF) None of the above
G) B) and D)

Question 2

-What does "E" represent?

Accepted Answer

A)   coracobrachialis
B)   deltoid
C)   pectoralis major
D)   biceps brachii
E)   serratus anteriorF) A) and B)
G) A) and C)

Question 3

-Label structure "B" on the diagram.

Accepted Answer

A)   linea alba
B)   serratus anterior
C)   rectus abdominis
D)   external oblique
E)   internal obliqueF) B) and D)
G) D) and E)

Question 4

The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle that connects to the sternum is the

Accepted Answer

A)   origin.
B)   belly.
C)   body.
D)   insertion.
E)   fixator.F) A) and B)
G) C) and D)

Question 5

Which of the following muscles is named for its shape?

Accepted Answer

A)   pectoralis major
B)   adductor pollicis
C)   vastus lateralis
D)   trapezius
E)   pectoralis minorF) A) and D)
G) A) and C)

Question 6

In order to put on a glove, the fingers are abducted by hand muscles called the

Accepted Answer

A)   retinacula.
B)   lumbricals.
C)   opponens pollicis.
D)   dorsal interossei.
E)   abductor pollicis brevis.F) A) and C)
G) A) and D)

Question 7

Which of the following represents a class I lever system?

Accepted Answer

A)   crossing your legs
B)   hyperextension of the head
C)   standing on your tiptoes
D)   flexion of the elbow to elevate the hand
E)   lifting weight with your armF) A) and D)
G) A) and E)

Question 8

Which muscle flexes the vertebral column?

Accepted Answer

A)   erector spinae
B)   longissimus capitis
C)   interspinales
D)   multifidus
E)   psoas minorF) A) and C)
G) A) and E)

Question 9

Facial muscles are unusual in that they

Accepted Answer

A)   represent a combination of first-class and second-class lever systems.
B)   insert and sometimes originate on skin and connective tissue.
C)   are smooth muscles rather than skeletal muscles.
D)   are not involved in movement.
E)   are not involved in facial expression.F) C) and D)
G) A) and D)

Question 10

What back muscle originates on the vertebral spinous processes?

Accepted Answer

A)   erector spinae
B)   longissimus capitis
C)   interspinales
D)   multifidus
E)   psoas minorF) A) and B)
G) D) and E)

Question 11

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) C) and D)
G) D) and E)

Question 12

The zygomaticus major 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) C) and E)
G) B) and E)

Question 13

If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles?

Accepted Answer

A)   supraspinatus
B)   gastrocnemius
C)   thenar muscles
D)   triceps brachii
E)   biceps brachiiF) A) and E)
G) A) and B)

Question 14

Which of the following muscles is used when walking on your tiptoes?

Accepted Answer

A)   gastrocnemius
B)   tibialis anterior
C)   peroneus tertius
D)   extensor digitorum longus
E)   calcaneal tendonF) A) and C)
G) A) and D)

Question 15

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)   down.F) A) and B)
G) B) and C)

Question 16

Raising the eyebrows is the action of the _____ muscles.

Accepted Answer

A)   auricular
B)   procerus
C)   occipitofrontalis
D)   levator palpebrae superioris
E)   temporalisF) A) and B)
G) C) and D)

Question 17

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

Accepted Answer

A)   inferior oblique
B)   lateral rectus
C)   superior oblique
D)   superior rectus
E)   inferior rectusF) A) and C)
G) A) and E)

Question 18

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

Accepted Answer

A)   origin.
B)   insertion.
C)   antagoist.
D)   synergist.
E)   fixator.F) C) and D)
G) B) and D)

Question 19

-What does "B" represent?

Accepted Answer

A)   coracobrachialis
B)   deltoid
C)   pectoralis major
D)   biceps brachii
E)   serratus anteriorF) A) and C)
G) B) and E)

Question 20

-Label muscle "D" on the diagram.

Accepted Answer

A)   linea alba
B)   serratus anterior
C)   rectus abdominis
D)   external oblique
E)   internal obliqueF) A) and E)
G) C) and D)

Exam 10: Muscular System: Gross Anatomy

-What does "A" represent?

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

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Which of the following represents a class I lever system?

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Raising the eyebrows is the action of the _____ muscles.

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Which muscle flexes the vertebral column?

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What back muscle originates on the vertebral spinous processes?

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-What does "B" represent?

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The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle that connects to the sternum is the

Correct AnswerverifiedShow Answer

Contraction of the inferior rectus muscle directs the pupil to look

Correct AnswerverifiedShow Answer

In order to put on a glove, the fingers are abducted by hand muscles called the

Correct AnswerverifiedShow Answer

If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles?

Correct AnswerverifiedShow Answer

Which of the following muscles is used when walking on your tiptoes?

Correct AnswerverifiedShow Answer

Facial muscles are unusual in that they

Correct AnswerverifiedShow Answer

-Label muscle "D" on the diagram.

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

Correct AnswerverifiedShow Answer

-What does "E" represent?

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The zygomaticus major muscle

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

Correct AnswerverifiedShow Answer

-Label structure "B" on the diagram.

Correct AnswerverifiedShow Answer

Which of the following muscles is named for its shape?

Correct AnswerverifiedShow Answer

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