GA1 - Exam 2 - Unit 9 Quiz (Review Questions) Newest 2025/2026
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A biomedical engineer D. brachioradialis
would like to reconstruct
the arm of a boy who
underwent amputation to
treat a life- threatening
infection. In designing the
prosthetic arm, the
engineer will need to know
that which of the following
muscles flexes the elbow
and is innervated by the
radial nerve?
A. extensors digitorum longus
B. Brachialis
C. flexor digitorum longus
D. brachioradialis
E. biceps brachii
A patient has a torn rotator A. teres major
cuff of the shoulder joint as
the result of an
automobile accident. Which of
the
following muscle tendons is
intact and has normal
function?
A. teres major
B. infraspinatus
C. supraspinatus
D. subscapularis
E. teres minor
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A 45-year-old secretary B. distal (carpal) compression of the median nerve
experienced "pins and
needles" sensations
(paresthesia) and pain in her
right hand during the night.
These sensations involved
the palmar surface of her
thumb and the lateral two
and a half fingers. Her
colleagues told her that she
probably has carpal tunnel
syndrome. Her family
physician confirmed that this
was the condition she was
experiencing. She also told
the physician that she was
having some difficulty
typing.
On further examination, the
physician detected some
weakness of her right
thenar muscles when
compared with the left side.
Otherwise motor functions
were unimpaired currently.
Which of the
following statements best
describes the most likely
cause of the paresthesia
experienced by the
secretary?
A. proximal trauma to the
median nerve
B. distal (carpal)
compression of the
median nerve
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C. compression of the radial
artery at the wrist
D. compression of the ulnar
nerve
E. injury of the radial nerve in
the arm
A 38-year-old baseball A. acute rupture of the supraspinatus part of the rotator cuff
pitcher felt a sharp pain in
his shoulder when he threw
the ball very hard. After a
visit by the pitching coach,
he threw another pitch but
he told the catcher that the
pain was unbearable. He left
the game and went to the
dressing room where he was
examined by the team's
orthopedic surgeon, who
detected tenderness near
the greater tubercle of the
humerus. An MRI taken the
next day
revealed a tear in the
pitcher's rotator cuff. Which
of the following statements
is most likely based on this
finding?
A. acute rupture of the
supraspinatus part of the
rotator cuff
B. acute tear of latissimus
doors tendon
C. acute rupture of the
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sub scapular tendon
D. acute tear of teres major
tendon
A 42-year-old woman E. median nerve
presents to an
outpatient clinic with a 6-
month history of numbness
and tingling on the palmar
aspect of her lateral three
and one-half
fingers, loss of pronation,
and flattening of the thenar
eminence. Injury to which of
the following nerves could
cause such a condition?
A. musculocutaneous nerve
B. axillary nerve
C. radial nerve
D. ulnar nerve
E. median nerve
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