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Practice Exam for Anatomy Exam 3
1. Two types of movements occur between the arm and forearm at the elbow
joint. What do the anterior compartment of muscles do?
a. Flex, pronate
b. Flex, supinate
c. Extend, pronate
d. Extend, supinate
2. What do the posterior compartment muscles do?
a. Flex, pronate
b. Flex, supinate
c. Extend, pronate
d. Extend, supinate
3. What 2 veins come together at the elbow to form the vein that you would do
draw blood from?
a. Basilic v. & cephalic v.
b. Basilic v. & cuboidal v.
c. Cephalic v. & cuboidal v.
4. All of the following muscles make up the arm flexor muscles except?
a. Long head of biceps brachii
b. Long head of triceps brachii
c. Brachialis
d. Coracobrachialis
5. A patient comes to your clinic for a yearly physical exam. You want to test his
biceps reflex. What region of the spinal cord will be tested?
a. C4 – C5
b. C5 – C6
c. C6 – C7
d. C7 – T1
6. This muscle is the main flexor of the forearm and lies deep to the biceps:
a. Brachioradialis
b. Pronator teres
c. Coracobrachialis
d. Brachialis
7. This flexor muscle flexes and adducts the arm:
a. Long head of biceps brachii
b. Long head of triceps brachii
c. Brachialis
d. Coracobrachialis
8. This muscle is innervate by the radial nerve (C6-C8) and is the main extensor
of the forearm:
a. Long head of biceps brachii
b. Long head of triceps brachii
c. Brachialis
d. Coracobrachialis
9. A patient comes to the ED with a posteriorly dislocated shoulder. What
extensor muscle should you be concerned with posteriorly?
a. Long head of biceps brachii
b. Long head of triceps brachii
c. Lateral head of triceps brachii
d. Medial head of triceps brachii
e. Coracobrachialis
10. A patient arrives in the ED with a stab wound to the upper arm and is
bleeding profusely, what should you do initially to control the bleeding of this
main arterial supply to the arm?
a. Lateral to humerus near middle of arm
b. Lateral to humerus near proximal portion of arm
c. Medial to humerus near middle of arm
d. Medial to humerus near proximal portion of arm
11. The artery described above splits at the cubital fossa into 2 branches. Which
branch goes posterior?
a. Ulnar artery
b. Radial artery
c. Medial artery
d. Axillary artery
12. This is the largest branch of the artery described in number 10 accompanies
the radial nerve along the radial groove. It terminates by dividing into the
middle collateral artery and the radial collateral artery. Which of the 2
anastomosis with recurrent radial artery, which is anterior and which of the
2 anastomosis with interosseous artery, which is posterior?
a. Middle collateral artery, radial collateral artery
b. Radial collateral artery, middle collateral artery
13. Which 2 veins when added together form the axillary vein?
a. Brachial + cephalic
b. Brachial + basilic
c. Basilic + cephalic
14. A patient comes in the ED with paralysis of all 3 flexor muscles after being
stabbed with a knife, but can still flex and supinate the forearm weakly. What
nerve did the knife injure?
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. axillary nerve
15. A patient comes into the ED with a stab wound to the arm and is complaining
of an inability to extend wrist and fingers at metacarpophalangeal joints, AKA
wrist drop. What nerve did the knife injure?
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Axillary nerve
16. The integrity of the AC joint is maintained by the extrinsic _________ ligament:
a. AC ligament
b. Coracoclavicular ligament
c. Coracosternal ligament
d. All of the above
17. A middle aged man comes into your clinic complaining of pain in his
shoulder. He tells you that the pain started after he began putting up his
2,000 Christmas lights on his house 2 weeks ago. He is unable to initiate
abduction of the upper limb. What did most likely injure?
a. Biceps brachii
b. Triceps brachii
c. Supraspinatous
d. Teres major
18. A woman comes into the ED complaining of intense pain in her shoulder area
after she fell on an outstretched hand while figure skating. You get an x-ray to
determine if she has a dislocation of her shoulder. What would you expect if
she had a shoulder dislocation?
a. Humerus displaced from the socket
b. Acromion displaced from clavicle
c. Humerus fracture
d. Clavicle displaced from sternum
19. You determine that the woman in the above question doesn’t have a shoulder
dislocation but instead has an AC separation, grade II. What constitutes a
grade II AC separation?
a. Trauma to joint ligaments, but no severe tearing or fracture
b. Both acromioclavicular and coracoclavicular ligaments are torn
c. Complete tearing of the acromioclavicular ligament and a sprain or
partial tear of coracoclavicular ligaments
20. A football player is hit hard during practice and dislocates his shoulder. If the
______ nerve that lies in the quadrangular space was injured then the result
would be paralysis of the deltoid and thus an inability to abduct the arm to or
above horizontal.
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Axillary nerve
21. After the brachial artery splits into the radial and ulnar arteries, the ulnar
artery then splits into what?
a. Common interosseous artery
b. Anterior interosseous artery
c. Posterior interosseous artery
d. A and B
e. A, B, and C
22. This nerve forms the lateral boundary of the cubital fossa:
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Median nerve
23. The medial epicondyle is the attachment site for this forearm muscle:
a. Flexor carpi ulnaris m.
b. Biceps brachii
c. Extensor carpi ulnaris m.
d. Extensor carpi radialis longus m.
e. Extensor carpi radialis brevis m.
24. This nerve innervates the flexors and pronators of the forearm:
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Median nerve
25. There is an exception to the above question, what nerve innervates digit 5
and ½ of digit 4?
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Median nerve
26. This nerve innervates the extensors and supinators of the forearm, no
exceptions:
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Median nerve
27. A patient comes into your clinic complaining of sensory and motor loss of the
anterior aspect of the forearm. What nerve should you be concerned with?
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Median nerve
28. What do you believe this patient to have?
a. Nerve entrapment
b. Injury to the nerve because of trauma
c. Pronator syndrome
d. A and B
e. A and C
29. This muscle produces flexion with flexor carpi ulnaris and adduction with
extensors carpi radialis longus and brevis. The radial artery lies just lateral to
this muscle’s tendon.
a. Flexor carpi radialis
b. Flexor pollicis longus
c. Palmaris longus
d. Flexor digitorum superficialis
30. This muscle is the most medial of the superficial flexor muscles, it flexes and
adducts hand at wrist, and it is fully innervated by which nerve:
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Median nerve
31. A patient comes into the clinic with numbness of the 5th digit and ½ of the 4th
digit. What nerve and syndrome does this patient likely have?
a. Cubital tunnel syndrome, ulnar nerve
b. Cubital tunnel syndrome, median nerve
c. Carpal tunnel syndrome, ulnar nerve
d. Carpal tunnel syndrome, median nerve
32. A patient comes into the ED with a stab wound over the anterior wrist. What
muscle with 4 tendons could have been severed?
a. Flexor carpi ulnaris
b. Flexor pollicis longus
c. Flexor digitorum profundus
d. Flexor digitorum superficialis
33. A patient comes to your clinic with an inability to flex the distal
interphalangeal joints of his digits. What muscle is likely damaged?
a. Flexor carpi ulnaris
b. Flexor pollicis longus
c. Flexor digitorum profundus
d. Flexor digitorum superficialis
34. According to the above question, what nerve innervates the muscle
described in number 33?
a. Ulnar nerve
b. Radial nerve
c. Median nerve
d. A and B
e. B and C
f. All of the above
35. This muscle flexes the thumb?
a. Extensor pollicis longus
b. Flexor pollicis longus
c. Extensor pollicis brevis
d. Abductor pollicis longus
36. This is the deepest muscle on the anterior forearm:
a. Pronator quadratus
b. Flexor digitorum profundus
c. Flexor pollicis longus
d. Extensor pollicis longus
37. What muscle is responsible for potentially causing an avulsion fracture when
the olecranon is fractured?
a. Biceps brachii
b. Brachialis
c. Triceps brachii
d. Pronator teres
38. A patient presents to your clinic after falling on an outstretched hand after
falling off a ladder while helping set up the Christmas tree. She has what you
consider a “dinner fork” deformity. You order radiographs and determine
that there is a fracture, it the most common type of forearm fracture:
a. Monteggia
b. Galeazzi
c. Colles
d. Torus
e. Greenstick
39. A patient has been stabbed in posterior forearm and the extensor carpi
radialis longus and brevis have been injured. What is the action of these
muscles together?
a. Adduct the hand as they extend it
b. Abduct the hand as they extend it
c. Circumduct the hand as they extend it
d. None of the above
40. This muscle attaches to the pinkie finger from the posterior aspect of the
forearm and acts to extend the hand and to adduct the hand when it works
with FCU:
a. Extensor carpi radialis longus
b. Extensor carpi radialis brevis
c. Extensor carpi ulnaris
d. Extensor digitorum
41. This muscle is responsible for extending the 2nd digit:
a. Extensor digitorum
b. Extensor digiti mini
c. Extensor indicis
d. Extensor digitorum profundus
42. This muscle is the principal extensor of the posterior forearm, its
intertendinous connections restrict independent extension of fingers. It is
extends at what joints:
a. DIP
b. PIP
c. MP
d. A and B
e. A and C
f. All of the above
43. What is the muscle described in question 42?
a. Extensor digitorum
b. Extensor digiti mini
c. Extensor indicis
d. Extensor digitorum profundus
44. A man comes into your clinic complaining of elbow pain, he recently started
playing tennis with his new girlfriend. He has repetitive use of the superficial
extensor muscles and has inflammation of what?
a. Medial epicondyle
b. Lateral epicondyle
c. Olecranon
d. Cubital fossa
45. The deep branch of the radial nerve passes through the muscle that arises
from the lateral epicondyle and is a thin sheet like muscle that envelopes the
radius. What is the name of the radial nerve after it passes through this
muscle:
a. Posterior interosseous nerve
b. Superior interosseous nerve
c. Anterior interosseous nerve
d. Inferior interosseous nerve
46. What is the muscle described in the above question?
a. Extensor carpi radialis longus
b. Extensor carpi radialis brevis
c. Extensor carpi ulnaris
d. Supinator
e. Anconeus
47. When you extend your thumb a small box takes shape on your lateral side of
your posterior forearm. What lies in this box’s floor?
a. Radial artery
b. Ulnar artery
c. Scaphoid
d. A and C
e. B and C
48. A man comes into the ED with a stab wound to the elbow and can’t flex digits
1,2,3 and has weak flexion in digits 4 and 5. AKA “hand of benediction.” What
nerve was likely injured?
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Median nerve
49. What is the major branch of nerve described in the above question?
a. Posterior interosseous nerve
b. Anterior interosseous nerve
c. Lateral antebrachial cutaneous nerve
50. If a patient arrives to your clinic complaining of numbness and tingling of the
medial palm and medial 1 ½ fingers and is unable to flex digits 4 and 5 after
sustaining a recent injury. AKA “claw hand.” What nerve was likely injured?
a. Lateral antebrachial cutaneous nerve
b. Musculocutaneous nerve
c. Ulnar nerve
d. Radial nerve
e. Median nerve
51. A patient sustained a humeral shaft fracture and has a nerve injury to the
radial nerve. What would you expect to be her symptoms?
a. Motor deficits
b. Sensory deficits
c. A and B
52. A patient sustains a stab to the posterior forearm near the posterior
interosseous artery. The patient can’t extend the thumb or the mp joints.
What nerve was likely injured?
a. Ulnar nerve
b. Radial nerve
c. Deep radial nerve
d. A and B
e. B and C
53. A patient presents with a monteggia fracture. What bone was fractured and
what was dislocated?
a. Ulnar fracture, ulnar dislocation
b. Ulnar fracture, radial dislocation
c. Radial fracture, radial dislocation
d. Radial fracture, ulnar dislocation
54. A patient presents with a galeazzi (reverse monteggia) fracture. What bone
was fractured and which was dislocated?
a. Ulnar fracture, ulnar dislocation
b. Ulnar fracture, radial dislocation
c. Radial fracture, radial dislocation
d. Radial fracture, ulnar dislocation
55. In a monteggia fracture, if fracture was proximal then there would be a ______
dislocation.
a. Anterior
b. Posterior
56. A 6 yo girl arrives in ED with a compression fracture of a long bone, both
cortical margins are affected and minimal buckling of the cortex is present.
What type of fracture is this?
a. Monteggia
b. Galeazzi
c. Torus
d. Greenstick
57. A patient presents to the ED with pain in his forearm after direct trauma
during a football game. You order a radiograph and observe all of the
following in association with his greenstick fracture except:
a. Incomplete fracture
b. Bowing of the bone
c. Cortical disruption on one side and deformity on the other
d. It is also known as a buckle fracture
58. A patient presents to the ED after falling on an outstretched hand, you order
a radiograph and as you initially view the lateral radiograph you don’t see
anything fractured. However, you look closer and determine that the
posterior fat pad is visible and has formed a “sail sign.” What type of fracture
does this patient have? (hint: it is the most common fracture encountered in
the adult population)
a. Greenstick fracture
b. Torus fracture
c. Radial head fracture
d. Essex-Lopresti
59. A patient presents to the ED after FOOSH and on radiographs you determine
that the radial head has a communicated fracture and on MRI you find that
the forearm interosseous ligament is torn. What does this patient have?
a. Greenstick fracture
b. Torus fracture
c. Radial head fracture
d. Essex-Lopresti
60. A 4 year old boy presents to the ED after falling off of the playground. You
order radiographs and see that the lateral condylar fragment is slightly
displaced. What type of fracture does this child have?
a. Essex-Lopresti
b. Torus fracture
c. Supracondylar fracture
d. Medial condylar fracture
61. A 8 yo boy presents to the ED after sustaining an impaction injury that had a
transmitted load through the olecranon process after falling onto his
olecranon. You order radiographs and see an avulsion injury. What was the
type of fracture and what tendon was responsible for the avulsion?
a. Supracondylar fracture, common extensor tendon
b. Supracondylar fracture, common flexor tendon
c. Medial condylar fracture, common extensor tendon
d. Medial condylar fracture, common flexor tendon
62. All of the following are true in regards to an olecranon fracture except:
a. Deceleration stress on a contracted triceps muscle can cause this
b. Deceleration stress on a contracted biceps muscle can cause this
c. Eccentric contraction against resistance: sudden forced flexion of an
extended forearm can cause this
d. Most common adult fracture of forearm
63. A patient presents with a distraction injury due to bony avulsion of brachialis
insertion by posterior dislocation of ulna. What type of fracture does this
patient have?
a. Olecranon fracture
b. Capitellum fracture
c. Coronoid process fracture
d. Medial condylar fracture
64. An avid golfer comes to your clinic with pain over his medial epicondyle. You
diagnose him with medial epicondylitis or “golfer’s elbow.” He has a valgus
stress overuse injury of the _________ group
a. Flexor-supinator
b. Flexor-pronator
c. Extensor-supinator
d. Extensor-pronator
65. A patient has a biceps tear, however you note that there lacertus fibrosus
(aponeurosis of biceps) is intact. All of the following are true except:
a. Extends from musculocutaneous junction to medial deep fascia of
forearm
b. May prevent retraction of completely torn tendon
c. May preserve pronation and forearm flexion
d. May preserve supination and forearm flexion
66. Anastomoses around the elbow provide circulation for what?
a. Recurrent
b. Collateral
67. This artery supplies anterior medial forearm, gives rise to the common
interosseous artery that branches into anterior and posterior interosseous
branches (which supplies entire posterior forearm):
a. Radial artery
b. Ulnar artery
c. Median artery
d. Axillary artery
68. Most of the muscles causing large, gross, powerful movements of the hand
and wrist are not found in the hand or wrist, but in the forearm.
a. True
b. False
69. The flexor carpi radialis attaches to the:
a. 1st digit
b. 2nd digit
c. 3rd digit
d. 4th digit
e. 5th digit
70. flexor carpi ulnaris goes to the ____ metacarpal
a. 2nd
b. 3rd
c. 4th
d. 5th
71. All of the following are responsible for flexion of the wrist, not the digits:
a. Flexor carpi radialis
b. Flexor carpi ulnaris
c. Flexor digitorum superficialis
d. Palmaris longus
72. All of the following are responsible for flexion of the wrist and the digits
except:
a. Flexor digitorum superficialis
b. Flexor digitorum profundus
c. Palmaris longus
d. Flexor pollicis longus
73. Which one of the following flexor muscles attach to the distal phalanges of
digits 2-5 and which one attaches to the middle phalanges of digits 2-5?
a. FDP, FDS
b. FDS, FDP
c. Palmaris longus, FDS
d. FDS, palmaris longus
74. The FDS splits into 2 bands to allow for the tendons of the FDP to pass
between the tendons of the FDS on the way to the base of distal phalanx. This
allows for strong grip that can also pull on something.
a. True
b. False
75. Which nerve passes through the carpal tunnel along with 9 tendons?
a. Radial n.
b. Median n.
c. Ulnar n.
d. Axillary n.
76. The extensor carpi radialis longus m. goes to the base of the ____ metacarpal
a. 2nd
b. 3rd
c. 4th
d. 5th
77. the extensor carpi radialis brevis m. goes to the base of the ____ metacarpal:
a. 2nd
b. 3rd
c. 4th
d. 5th
78. the extensor carpi ulnaris m. goes to the base of the _____ metacarpal:
a. 2nd
b. 3rd
c. 4th
d. 5th
79. the extensor digitorum goes to the medial 4 digits
a. true
b. false
80. the extensor digiti minimi goes to the ____ digit:
a. 2nd
b. 3rd
c. 4th
d. 5th
81. extensor indicis goes to _____ digit
a. 2nd
b. 3rd
c. 4th
d. 5th
82. 4 tendons of the FDS, 4 tendons of the FPL, and 1 tendon of the FDP are in the
carpal tunnel.
a. True
b. False
83. The ______ pass through the 1st dorsal tunnel:
a. Extensor pollicis longus
b. Abductor pollicis longus
c. Extensor pollicis brevis
d. A and B
e. B and C
f. All of the above
84. The _____ pass through the 2nd dorsal tunnel:
a. Extensor carpi radialis
b. Extensor carpi ulnaris
c. Extensor pollicis longus
d. Extensor pollicis brevis
85. The ____ pass through the 3rd dorsal tunnel:
a. Extensor pollicis longus
b. Abductor pollicis longus
c. Extensor pollicis brevis
d. A and B
e. B and C
f. All of the above
86. The ____ pass through the 4th dorsal tunnel:
a. Extensor digitorum
b. Extensor digiti minimi
c. Extensor carpi ulnaris
d. All of the above
87. The ____ pass through the 5th dorsal tunnel:
a. Extensor digitorum
b. Extensor digiti minimi
c. Extensor carpi ulnaris
d. All of the above
88. The _____ pass through the 6th dorsal tunnel:
a. Extensor digitorum
b. Extensor digiti minimi
c. Extensor carpi ulnaris
d. All of the above
89. The retinacula of the posterior aspect of the hand is denser.
a. True
b. False
90. This muscles, if present, continues into the palmar aponeurosis.
a. Extensor digitorum
b. Flexor digitorum superficialis
c. Flexor digitorum profundus
d. Palmaris longus
91. The superficial transverse metacarpal ligament is at the base of the
phalanges
a. True
b. False
92. All muscles intrinsic to the hand are innervated by either the median or ulnar
nerves.
a. True
b. False
93. Thenar muscles operate on the ______
a. Little finger
b. Thumb muscles
c. Oddball muscles
d. Between the metacarpal bones
94. Hypothernar muscles operate on the ______
a. Little finger
b. Thumb muscles
c. Oddball muscles
d. Between the metacarpal bones
95. Interossei muscles operate on the _____
a. Little finger
b. Thumb muscles
c. Oddball muscles
d. Between the metacarpal bones
96. Lumbrical muscles operate on the _____
a. Little finger
b. Thumb muscles
c. Oddball muscles
d. Between the metacarpal bones
97. This muscle allows the hand to do the opposition movement:
a. Flexor pollicis brevis
b. Opponens pollicis
c. Adductor pollicis
d. Abductor pollicis
98. The median nerve innervates all of the thenar muscles
a. True
b. False
99. The median 2 nerves of the lumbricals are innervated by the ulnar nerve and
the lateral 2 nerves are innervated by the median nerve.
a. True
b. False
100.
The lumbricals flex the MP joint and the PIP joint and extends the DIP
joint,
a. True
b. False
101.
The 3 palmar interosseous muscles cause adduction of the 2nd, 4th, and
th
5 digits and is innervated by the ulnar nerve
a. True
b. False
102.
The dorsal interosseous muscles abduct digits 2 and 4 and stabilize
digit 3.
a. True
b. False
103.
PAD = palmar interossei AD-duct
a. True
b. False
104.
DAB = dorsal interossei AB-duct
a. True
b. False
105.
Which artery gives rise to the superficial palmar arch and which one
gives rise to the deep palmar arch?
a. Ulnar, radial
b. Radial, ulnar
c. Ulnar, median
d. Median, ulnar
106.
Both ______ arteries give rise to the dorsal carpal arch:
a. Ulnar and radial
b. Radial and median
c. Ulnar and median