Question 1

A baseball pitcher who injures one of his SITS muscles most commonly sustains tears to the tendon of which muscle?

Accepted Answer

A)  Supraspinatus
B)  Infraspinatus
C)  Teres minor
D)  Subscapularis
E)  DeltoidF) B) and C)
G) None of the above

Question 2

Tennis elbow is a common term describing injury to the origin of which of the following?

Accepted Answer

A)  Extensor hallucis longus
B)  Pronator quadratus
C)  Extensor carpi radialis longus
D)  Subscapularis
E)  Flexor digitorum profundusF) All of the above
G) A) and B)

Question 3

Which cranial nerve innervates the sternocleidomastoid and trapezius?

Accepted Answer

A)  Abducens
B)  Facial
C)  Vagus
D)  Accessory
E)  TrigeminalF) B) and C)
G) A) and D)

Question 4

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

Question 5

Which of the following muscles adducts and medially rotates the thigh?

Accepted Answer

A)  Gracilis
B)  Piriformis
C)  Adductor magnus
D)  Rectus femoris
E)  SartoriusF) C) and D)
G) A) and B)

Question 6

Which of the following is not a function of the muscular system?

Accepted Answer

A)  Stability
B)  Heat production
C)  Control of openings
D)  Secretion
E)  BreathingF) B) and E)
G) A) and E)

Question 7

After childbirth,a woman begins experiencing tremendous pain in her groin,making it difficult for her to walk.An X-ray shows a fracture extending from her symphysis pubis to the inferior ramus of the pubis.As a result of the fracture,which group of muscles might be impaired?

Accepted Answer

A)  Hip flexors
B)  Thigh abductors
C)  Hip extensors
D)  Lateral rotators
E)  Thigh adductorsF) A) and B)
G) A) and C)

Question 8

Muscle fibers are arranged in bundles called ___________.

Accepted Answer

A)  compartments
B)  fascicles
C)  retinacula
D)  aponeuroses
E)  groupsF) A) and D)
G) A) and E)

Question 9

A point of convergence for several muscles of the lower face is the __________.

Accepted Answer

A)  retinaculum
B)  aponeurotica
C)  modiolus
D)  nuchal line
E)  galeaF) A) and C)
G) A) and B)

Question 10

Which of the following muscles is in the medial compartment of the thigh?

Accepted Answer

A)  Soleus
B)  Adductor longus
C)  Piriformis
D)  Vastus medialis
E)  SemimembranosusF) B) and E)
G) A) and E)

Question 11

An injury that results in complete functional loss of the ulnar nerve will affect which of the following muscles?

Accepted Answer

A)  Abductor digiti minimi
B)  Abductor pollicis brevis
C)  Flexor carpi radialis
D)  Brachioradialis
E)  Extensor indicisF) B) and D)
G) None of the above

Question 12

Which term best describes the relationship of the deltoid and SITS muscles during shoulder abduction?

Accepted Answer

A)  Prime movers
B)  Antagonists
C)  Synergists
D)  Fixators
E)  AdductorsF) C) and D)
G) A) and B)

Question 13

Some people suffer involuntary urination due to incompetence of what muscle?

Accepted Answer

A)  External urethral sphincter
B)  Bulbospongiosus
C)  Compressor urethrae
D)  Ischiocavernosus
E)  Levator aniF) A) and E)
G) B) and E)

Question 14

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) C) and E)
G) None of the above

Question 15

The rectus abdominis is a __________ muscle,while the rectus femoris is a __________ muscle.

Accepted Answer

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

Question 16

Which term below best describes the deltoid?

Accepted Answer

A)  Fusiform
B)  Intrinsic
C)  Involuntary
D)  Extrinsic
E)  ParallelF) B) and D)
G) B) and E)

Question 17

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 18

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 E)
G) B) and D)

Question 19

Which muscle is innervated by the tibial nerve?

Accepted Answer

A)  Extensor digitorum longus
B)  Tibialis anterior
C)  Semimembranosus
D)  Fibularis longus
E)  Vastus lateralisF) A) and E)
G) None of the above

Question 20

A skydiver's parachute fails to deploy.After some struggle,his reserve chute deploys in time to save his life.However,his landing is harder than normal and he feels his knee slightly hyperextend.He shakes it off and goes about his normal routine.Later that day he begins experiencing knee pain.Two days later he notices that his knee "pops" when he crouches and soon discovers he has dislocated his femur on the knee.What muscle was likely injured initially?

Accepted Answer

A)  Popliteus
B)  Tensor fasciae latae
C)  Soleus
D)  Sartorius
E)  Quadriceps femorisF) C) and D)
G) None of the above

Exam 10: The Muscular System

Which term best describes the relationship of the deltoid and SITS muscles during shoulder abduction?

Correct Answer
verified

Which cranial nerve innervates the sternocleidomastoid and trapezius?

Correct Answer
verified

A point of convergence for several muscles of the lower face is the __________.

Correct Answer
verified

Which term below best describes the deltoid?

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Some people suffer involuntary urination due to incompetence of what muscle?

Correct Answer
verified

Muscle fibers are arranged in bundles called ___________.

Correct Answer
verified

After childbirth,a woman begins experiencing tremendous pain in her groin,making it difficult for her to walk.An X-ray shows a fracture extending from her symphysis pubis to the inferior ramus of the pubis.As a result of the fracture,which group of muscles might be impaired?

Correct Answer
verified

Tennis elbow is a common term describing injury to the origin of which of the following?

Correct Answer
verified

Correct Answer
verified

An injury that results in complete functional loss of the ulnar nerve will affect which of the following muscles?

Correct Answer
verified

Which muscle is innervated by the tibial nerve?

Correct Answer
verified

A baseball pitcher who injures one of his SITS muscles most commonly sustains tears to the tendon of which muscle?

Correct Answer
verified

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

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

Which of the following is not a function of the muscular system?

Correct Answer
verified

Which of the following muscles is in the medial compartment of the thigh?

Correct Answer
verified

Which of the following muscles adducts and medially rotates the thigh?

Correct Answer
verified

The rectus abdominis is a muscle,while the rectus femoris is a muscle.

Correct Answer
verified

Exam 10: The Muscular System

Which term best describes the relationship of the deltoid and SITS muscles during shoulder abduction?

Correct AnswerverifiedShow Answer

Which cranial nerve innervates the sternocleidomastoid and trapezius?

Correct AnswerverifiedShow Answer

A point of convergence for several muscles of the lower face is the __________.

Correct AnswerverifiedShow Answer

Which term below best describes the deltoid?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Some people suffer involuntary urination due to incompetence of what muscle?

Correct AnswerverifiedShow Answer

Muscle fibers are arranged in bundles called ___________.

Correct AnswerverifiedShow Answer

After childbirth,a woman begins experiencing tremendous pain in her groin,making it difficult for her to walk.An X-ray shows a fracture extending from her symphysis pubis to the inferior ramus of the pubis.As a result of the fracture,which group of muscles might be impaired?

Correct AnswerverifiedShow Answer

Tennis elbow is a common term describing injury to the origin of which of the following?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

An injury that results in complete functional loss of the ulnar nerve will affect which of the following muscles?

Correct AnswerverifiedShow Answer

Which muscle is innervated by the tibial nerve?

Correct AnswerverifiedShow Answer

A baseball pitcher who injures one of his SITS muscles most commonly sustains tears to the tendon of which muscle?

Correct AnswerverifiedShow Answer

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

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

Which of the following is not a function of the muscular system?

Correct AnswerverifiedShow Answer

Which of the following muscles is in the medial compartment of the thigh?

Correct AnswerverifiedShow Answer

Which of the following muscles adducts and medially rotates the thigh?

Correct AnswerverifiedShow Answer

The rectus abdominis is a __________ muscle,while the rectus femoris is a __________ muscle.

Correct AnswerverifiedShow Answer

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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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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Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The rectus abdominis is a muscle,while the rectus femoris is a muscle.

Correct Answer
verified