Question 1

What is the longest muscle in the human body?

Accepted Answer

A)  Iliopsoas
B)  Sartorius
C)  Erector spinae
D)  Semitendinosus
E)  SemimembranosusF) B) and E)
G) All of the above

Question 2

Which of the following muscles is innervated by the obturator nerve?

Accepted Answer

A)  Gracilis
B)  Biceps femoris
C)  Tibialis anterior
D)  Soleus
E)  SartoriusF) A) and E)
G) A) and C)

Question 3

Which one of these muscles helps to open the mouth (depress the mandible) ?

Accepted Answer

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

Question 4

The triceps surae consists of three muscles in the lower limb.

Accepted Answer

A) True 
 B)False

Question 5

A skateboarder falls and lands directly on his buttocks and lower back.He does not feel much pain and continues skating.After a couple of days he begins experiencing right hip pain and notices his right foot and leg are rotated to the right.A doctor diagnoses a muscle spasm.Which of the following muscles is most likely causing the leg and foot rotation?

Accepted Answer

A)  Quadratus lumborum
B)  Tibialis posterior
C)  Piriformis
D)  Adductor longus
E)  SacrospinalisF) C) and D)
G) A) and B)

Question 6

Based on what you know about muscle attachments,which of the following is true?

Accepted Answer

A)  An insertion generally moves towards an origin in contraction.
B)  An origin generally moves towards an insertion in contraction.
C)  An insertion generally moves towards another insertion in contraction.
D)  An origin generally moves towards another origin in contraction.E) A) and D)
F) A) and C)

Question 7

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) A) and E)
G) A) and D)

Question 8

A sacral fracture affecting the S3 and S4 nerve roots would result in a person having difficulty with evacuation of the bowels.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following muscles inserts on the head of the fibula?

Accepted Answer

A)  Extensor digitorum longus
B)  Tibialis anterior
C)  Popliteus
D)  Biceps femoris
E)  SemitendinosusF) B) and C)
G) C) and D)

Question 10

Carpal tunnel pressure is sometimes relieved by surgically excising part or all of which structure?

Accepted Answer

A)  Palmar aponeurosis
B)  Extensor retinaculum
C)  Flexor retinaculum
D)  Extensor aponeurosis
E)  Median nerveF) A) and E)
G) B) and C)

Question 11

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.Which of he following would be a logical diagnosis?

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 hallucisF) A) and B)
G) A) and C)

Question 12

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 popliteal fossa,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) All of the above
G) A) and D)

Question 13

Which of the following muscles is not externally visible on the trunk of the body?

Accepted Answer

A)  Transverse abdominal
B)  Latissimus dorsi
C)  Trapezius
D)  Pectoralis major
E)  External abdominal obliqueF) A) and B)
G) A) and C)

Question 14

In lifting a heavy weight from the floor,one should use the power of the __________ in order to avoid straining 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) C) and E)
G) C) and D)

Question 15

The semitendinosus is an example of what muscle shape?

Accepted Answer

A)  Triangular
B)  Fusiform
C)  Sphincter
D)  Convergent
E)  PennateF) A) and B)
G) C) and E)

Question 16

Which of the following muscles of mastication would be responsible for mandibular elevation?

Accepted Answer

A)  Temporalis
B)  Lateral pterygoid
C)  Stylohyoid
D)  Zygomaticus major
E)  Zygomaticus minorF) All of the above
G) A) and E)

Question 17

Injury to the deep fibular nerve would cause inability to extend ones toes.

Accepted Answer

A) True 
 B)False

Question 18

Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?

Accepted Answer

A)  Multifidus
B)  Latissimus dorsi
C)  External intercostals
D)  Serratus anterior
E)  Quadratus lumborumF) A) and D)
G) B) and D)

Question 19

After taking their wedding vows,a bride and groom often ceremonially use which of the following muscles before walking away from the altar?

Accepted Answer

A)  Depressor anguli oris
B)  Orbicularis oris
C)  Levator labii superioris
D)  Platysma
E)  Quadriceps femorisF) C) and E)
G) A) and D)

Question 20

Which of the following describes muscular tissue emerging directly from bone rather than being separated from it by an obvious tendon?

Accepted Answer

A)  Direct attachment
B)  Indirect attachment
C)  Inverted attachment
D)  Insertion
E)  OriginF) D) and E)
G) All of the above

Exam 10: The Muscular System

Correct Answer
verified

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

Correct Answer
verified

What is the longest muscle in the human body?

Correct Answer
verified

Correct Answer
verified

Based on what you know about muscle attachments,which of the following is true?

Correct Answer
verified

Which of the following describes muscular tissue emerging directly from bone rather than being separated from it by an obvious tendon?

Correct Answer
verified

The triceps surae consists of three muscles in the lower limb.

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.Which of he following would be a logical diagnosis?

Correct Answer
verified

The semitendinosus is an example of what muscle shape?

Correct Answer
verified

Injury to the deep fibular nerve would cause inability to extend ones toes.

Correct Answer
verified

Carpal tunnel pressure is sometimes relieved by surgically excising part or all of which structure?

Correct Answer
verified

Which of the following muscles of mastication would be responsible for mandibular elevation?

Correct Answer
verified

Which of the following muscles inserts on the head of the fibula?

Correct Answer
verified

A sacral fracture affecting the S3 and S4 nerve roots would result in a person having difficulty with evacuation of the bowels.

Correct Answer
verified

Which of the following muscles is innervated by the obturator nerve?

Correct Answer
verified

Which one of these muscles helps to open the mouth (depress the mandible) ?

Correct Answer
verified

Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?

Correct Answer
verified

After taking their wedding vows,a bride and groom often ceremonially use which of the following muscles before walking away from the altar?

Correct Answer
verified

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

Which of the following muscles is not externally visible on the trunk of the body?

Correct Answer
verified

Exam 10: The Muscular System

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the longest muscle in the human body?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Based on what you know about muscle attachments,which of the following is true?

Correct AnswerverifiedShow Answer

Which of the following describes muscular tissue emerging directly from bone rather than being separated from it by an obvious tendon?

Correct AnswerverifiedShow Answer

The triceps surae consists of three muscles in the lower limb.

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.Which of he following would be a logical diagnosis?

Correct AnswerverifiedShow Answer

The semitendinosus is an example of what muscle shape?

Correct AnswerverifiedShow Answer

Injury to the deep fibular nerve would cause inability to extend ones toes.

Correct AnswerverifiedShow Answer

Carpal tunnel pressure is sometimes relieved by surgically excising part or all of which structure?

Correct AnswerverifiedShow Answer

Which of the following muscles of mastication would be responsible for mandibular elevation?

Correct AnswerverifiedShow Answer

Which of the following muscles inserts on the head of the fibula?

Correct AnswerverifiedShow Answer

A sacral fracture affecting the S3 and S4 nerve roots would result in a person having difficulty with evacuation of the bowels.

Correct AnswerverifiedShow Answer

Which of the following muscles is innervated by the obturator nerve?

Correct AnswerverifiedShow Answer

Which one of these muscles helps to open the mouth (depress the mandible) ?

Correct AnswerverifiedShow Answer

Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?

Correct AnswerverifiedShow Answer

After taking their wedding vows,a bride and groom often ceremonially use which of the following muscles before walking away from the altar?

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

Which of the following muscles is not externally visible on the trunk of the body?

Correct AnswerverifiedShow Answer

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verified

Correct Answer
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verified

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verified

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verified

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verified

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Correct Answer
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Correct Answer
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