Question 1

An Olympic sprinter readies for a race.After the sound of the starting gun, he propels himself forward from the starting block and immediately grimaces in pain, grabbing for the back of his thigh.Within
48 hours he begins noticing extensive bruising on the back of his thigh extending into the back of the knee.He now has difficulty rising from a seated position and flexing his knee.Bending at the waist generates more pain.Which muscle is likely injured?

Accepted Answer

A)  gluteus maximus
B)  popliteus
C)  biceps femoris
D)  gastrocnemius
E)  iliopsoasF) A) and B)
G) A) and C)

Question 2

A heavyset middle-aged insurance salesman who doesn't exercise often accepts his friend's invitation to a pickup basketball game.When attempting a jump shot, he falls to the ground in pain, grasping at the calf of his leg.There is an enormous bulge in his leg immediately below the knee, and he is unable to plantar flex that foot.Most likely he has injured his and the bulge is .

Accepted Answer

A)  quadriceps tendon; his rectus femoris
B)  calcaneal tendon; his triceps surae
C)  patellar ligament; his fibularis longus
D)  tibia; a previously undetected bone tumor
E)  hamstrings; a large hematoma (blood clot) F) A) and E)
G) A) and B)

Question 3

The study of the muscular system is known as

Accepted Answer

A)  kinesiology.
B)  pathophysiology.
C)  myology.
D)  biology.
E)  neurology.F) None of the above
G) A) and D)

Question 4

Which muscle of respiration is innervated by the phrenic nerve?

Accepted Answer

A)  diaphragm
B)  external intercostals
C)  internal intercostals
D)  innermost intercostals
E)  pectoralis majorF) C) and D)
G) B) and E)

Question 5

What term best describes the relationship between the pronator quadratus and supinator?

Accepted Answer

A)  fixators
B)  antagonists
C)  synergists
D)  prime movers
E)  depressorsF) All of the above
G) D) and E)

Question 6

The rectus abdominis is a(n)  muscle, while the rectus femoris is a(n)  muscle.

Accepted Answer

A)  fusiform; parallel
B)  parallel; bipennate
C)  convergent; unipennate
D)  bipennate; parallel
E)  multipennate; convergentF) A) and E)
G) All of the above

Question 7

In a whiplash injury, the neck undergoes forced hyperextension then hyperflexion, injuring multiple muscles in the neck.Which of the following muscles would be injured during the hyperextension phase of the injury?

Accepted Answer

A)  trapezius
B)  splenius capitis
C)  sternocleidomastoid
D)  semispinalis capitis
E)  levator scapulaeF) B) and E)
G) None of the above

Question 8

Which of the following is an intrinsic muscle of the hand?

Accepted Answer

A)  extensor carpi radialis brevis
B)  adductor pollicis
C)  extensor pollicis longus
D)  extensor indicis
E)  abductor pollicis longusF) B) and D)
G) A) and E)

Question 9

Which cranial nerve innervates the sternocleidomastoid and trapezius?

Accepted Answer

A)  abducens nerve
B)  facial nerve
C)  vagus nerve
D)  accessory nerve
E)  trigeminal nerveF) B) and E)
G) None of the above

Question 10

Which of the following muscles of facial expression is not innervated by the facial nerve?

Accepted Answer

A)  orbicularis oculi
B)  zygomaticus major
C)  corrugator supercilii
D)  levator palpebrae superioris
E)  buccinatorF) B) and C)
G) All of the above

Question 11

The deepest muscle of the abdominal wall is the

Accepted Answer

A)  transverse abdominal.
B)  internal oblique.
C)  rectus abdominis.
D)  latissimus dorsi.
E)  pectoralis minor.F) A) and D)
G) B) and D)

Question 12

In lifting a heavy weight from the floor, one should use the power of the in order to avoid muscle strain in the lower back.

Accepted Answer

A)  biceps brachii and brachialis
B)  gastrocnemius and soleus
C)  external and internal abdominal obliques
D)  knee and hip extensors
E)  trapezius and latissimus dorsiF) B) and E)
G) None of the above

Question 13

A male sustains a crushing injury to his foot.After weeks of care, he begins to notice that he cannot bend the little toe on his right foot.A logical diagnosis would be

Accepted Answer

A)  atrophy of the flexor hallucis brevis.
B)  atrophy of the fibularis brevis.
C)  atrophy of the soleus.
D)  atrophy of the flexor digiti minimi.
E)  atrophy of the adductor hallucis.F) B) and D)
G) C) and E)

Question 14

Which of the following correctly states the origin and insertion 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) A) and C)
G) A) and D)

Question 15

The antagonist for the triceps brachii is the

Accepted Answer

A)  deltoid.
B)  anconeus.
C)  biceps brachii.
D)  supinator.
E)  teres minor.F) B) and E)
G) A) and E)

Question 16

A butcher who cuts the distal portion of his fingers may cut the

Accepted Answer

A)  flexor pollicis longus tendon.
B)  flexor carpi ulnaris tendon.
C)  palmaris longus tendon.
D)  adductor pollicis.
E)  flexor digitorum profundus tendon.F) A) and B)
G) D) and E)

Question 17

While sitting at your desk, you drop your pencil onto the floor.You bend over to pick up the pencil.In order to straighten up and continue your exam you must use which of the following muscles?

Accepted Answer

A)  tibialis anterior
B)  erector spinae
C)  semimembranosus
D)  tibialis anterior and semimembranosus
E)  extensor hallucis longusF) C) and D)
G) All of the above

Question 18

Some people suffer involuntary urination because of incompetence of what muscle?

Accepted Answer

A)  external urethral sphincter
B)  bulbospongiosus
C)  compressor urethrae
D)  ischiocavernosus
E)  levator aniF) C) and D)
G) B) and E)

Question 19

Which term below best describes the deltoid?

Accepted Answer

A)  fusiform
B)  intrinsic
C)  involuntary
D)  extrinsic
E)  parallelF) C) and D)
G) A) and B)

Question 20

The aponeurosis of the external oblique forms the at its inferior margin.

Accepted Answer

A)  linea alba
B)  rectus sheath
C)  linea semilunaris
D)  medial retinaculum
E)  inguinal ligamentF) B) and D)
G) B) and C)

Exam 10: The Muscular System

In lifting a heavy weight from the floor, one should use the power of the in order to avoid muscle strain in the lower back.

Correct Answer
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Which of the following is an intrinsic muscle of the hand?

Correct Answer
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While sitting at your desk, you drop your pencil onto the floor.You bend over to pick up the pencil.In order to straighten up and continue your exam you must use which of the following muscles?

Correct Answer
verified

The study of the muscular system is known as

Correct Answer
verified

A male sustains a crushing injury to his foot.After weeks of care, he begins to notice that he cannot bend the little toe on his right foot.A logical diagnosis would be

Correct Answer
verified

Which of the following correctly states the origin and insertion of the sternocleidomastoid?

Correct Answer
verified

Which of the following muscles of facial expression is not innervated by the facial nerve?

Correct Answer
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The aponeurosis of the external oblique forms the at its inferior margin.

Correct Answer
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Correct Answer
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A butcher who cuts the distal portion of his fingers may cut the

Correct Answer
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Which cranial nerve innervates the sternocleidomastoid and trapezius?

Correct Answer
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Correct Answer
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Some people suffer involuntary urination because of incompetence of what muscle?

Correct Answer
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Which muscle of respiration is innervated by the phrenic nerve?

Correct Answer
verified

Which term below best describes the deltoid?

Correct Answer
verified

In a whiplash injury, the neck undergoes forced hyperextension then hyperflexion, injuring multiple muscles in the neck.Which of the following muscles would be injured during the hyperextension phase of the injury?

Correct Answer
verified

What term best describes the relationship between the pronator quadratus and supinator?

Correct Answer
verified

The deepest muscle of the abdominal wall is the

Correct Answer
verified

The antagonist for the triceps brachii is the

Correct Answer
verified

The rectus abdominis is a(n) muscle, while the rectus femoris is a(n) muscle.

Correct Answer
verified

Exam 10: The Muscular System

In lifting a heavy weight from the floor, one should use the power of the in order to avoid muscle strain in the lower back.

Correct AnswerverifiedShow Answer

Which of the following is an intrinsic muscle of the hand?

Correct AnswerverifiedShow Answer

While sitting at your desk, you drop your pencil onto the floor.You bend over to pick up the pencil.In order to straighten up and continue your exam you must use which of the following muscles?

Correct AnswerverifiedShow Answer

The study of the muscular system is known as

Correct AnswerverifiedShow Answer

A male sustains a crushing injury to his foot.After weeks of care, he begins to notice that he cannot bend the little toe on his right foot.A logical diagnosis would be

Correct AnswerverifiedShow Answer

Which of the following correctly states the origin and insertion of the sternocleidomastoid?

Correct AnswerverifiedShow Answer

Which of the following muscles of facial expression is not innervated by the facial nerve?

Correct AnswerverifiedShow Answer

The aponeurosis of the external oblique forms the at its inferior margin.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A butcher who cuts the distal portion of his fingers may cut the

Correct AnswerverifiedShow Answer

Which cranial nerve innervates the sternocleidomastoid and trapezius?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Some people suffer involuntary urination because of incompetence of what muscle?

Correct AnswerverifiedShow Answer

Which muscle of respiration is innervated by the phrenic nerve?

Correct AnswerverifiedShow Answer

Which term below best describes the deltoid?

Correct AnswerverifiedShow Answer

In a whiplash injury, the neck undergoes forced hyperextension then hyperflexion, injuring multiple muscles in the neck.Which of the following muscles would be injured during the hyperextension phase of the injury?

Correct AnswerverifiedShow Answer

What term best describes the relationship between the pronator quadratus and supinator?

Correct AnswerverifiedShow Answer

The deepest muscle of the abdominal wall is the

Correct AnswerverifiedShow Answer

The antagonist for the triceps brachii is the

Correct AnswerverifiedShow Answer

The rectus abdominis is a(n) muscle, while the rectus femoris is a(n) muscle.

Correct AnswerverifiedShow Answer

Correct Answer
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