17/One of the following muscles elevates the scapula
Anonymous Quiz
7%
A. Rhomboides major
73%
B. Levator scapulae
4%
C. Rhomboides minor
16%
D. Supraspinatus
What muscle is innervated by branches of both the median and ulnar nerves?
Anonymous Quiz
12%
a. Flexor carpi ulnaris
7%
b.Pronator quadratus
10%
c.Flexor pollicis longus.
13%
d. Flexor digitorum superficialis
58%
e. Flexor digitorum profundus
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The muscles of the rotator cuff of the shoulder joint:
Anonymous Quiz
7%
A. are all lateral rotators.
8%
B. are supplied by the lateral cord of the brachial plexus.
72%
C. include the supraspinatus.
4%
D. include the pectoralis major.
9%
E. are attched to the surgical neck of the humerus.
With reference to supination of the forearm :
Anonymous Quiz
18%
A. The supinator muscle is a developmentally dorsal muscle.
8%
B. The biceps can supinate only when the elbow is semiflexed.
14%
C. The supinator can act even if the elbow is extended.
12%
D. When both muscles are able to act, the biceps is more powerful than the supinator.
48%
E. All of the above.
If the greater tuberosity of the humerus is lost, which of the following movements will be affected
Anonymous Quiz
8%
A. Adduction and flexion
63%
B. Abduction and lateral rotation
20%
C. Medial rotation and adduction
8%
D. Flexion and medial rotation
Which of the following has some nerve supply from the radial nerve?
Anonymous Quiz
14%
A. Long head of biceps
13%
B. Coracobrachialis
9%
C. Short head of biceps
65%
D. Brachialis
At the wrist / carpal tunnel:
Anonymous Quiz
43%
A. flexor retinaculum attaches to scaphoid and trapezoid laterally
21%
B. all superficial and deep flexors, except flexor pollicis longus, share a common flexor sheath
17%
C. the ulnar nerve lies medial to pisiform
19%
D. tendons of flexor digitorum remain attached until they reach the palm
During a motorcycle accident, an 18-year-old male landed on the right lateral side of his rib cage with his right upper limb abducted. In the hospital he was found to have "winging" of the right scapula. Which nerve was likely damaged in the accident?
Anonymous Quiz
13%
Accessory
11%
Lateral pectoral
74%
Long thoracic
2%
Phrenic
After being thrown from a motorcycle moving at high speed, a 16-year-old female was found to have a paralyzed right pectoralis major muscle. Which set of movements at the shoulder joint would be found greatly weakened?
Anonymous Quiz
6%
Abduction and extension
16%
Abduction and lateral rotation
73%
Adduction and flexion
5%
Lateral rotation and extension
In withdrawing a blood sample from the median cubital vein the needle passes slightly deep and medial; which nerve might possibly be injured?
Anonymous Quiz
16%
A. Dorsal ulnar cutaneous
11%
B. Lateral antebrachial cutaneous
47%
C. Medial antebrachial cutaneous
10%
D. Posterior antebrachial cutaneous
16%
E. Superficial radial
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A sixteen-year-old boy receives a superficial cut on the thumb side of his forearm. The superficial vein most likely affected is the:
Anonymous Quiz
10%
A. Basilic
51%
B. Cephalic
9%
C. Median antebrachial
11%
D. Median cubital
20%
E. Radial
The cords of the brachial plexus are:
Anonymous Quiz
17%
A. Above the clavicle, medial to the scalenus anticus (anterior scalene).
17%
B. Above the clavicle, behind the scalenus anticus (anterior scalene).
54%
C. At or below the clavicle, closely related to the axillary artery.
12%
D. At or below the clavicle, closely related to the axillary vein.
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The long thoracic nerve innervates which muscle?
Anonymous Quiz
4%
A. Anterior scalene
5%
B. Middle scalene
86%
C. Serratus anterior
5%
D. Teres major
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During a motorcycle accident, an 18-year-old male landed on the right lateral side of his rib cage with his right upper limb abducted. In the hospital he was found to have "winging" of the right scapula. Which nerve was likely damaged in the accident?
Anonymous Quiz
7%
A. Accessory
7%
B. Lateral pectoral
84%
C. Long thoracic
2%
D. Phrenic
1%
E. Vagus
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In a patient with Erb-Duchenne palsy, a nerve arising from the superior trunk of the brachial plexus is nonfunctional. This nerve is the:
Anonymous Quiz
63%
A. Suprascapular
11%
B. Dorsal scapular
12%
C. Long thoracic
8%
D. Lateral pectoral
7%
E. Medial pectoral
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The axillary nerve arises directly from which part of the brachial plexus?
Anonymous Quiz
5%
A. inferior trunk
7%
B. lateral cord
12%
C. medial cord
4%
D. middle trunk
71%
E. posterior cord
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In a fracture of the surgical neck of the humerus, which artery may be injured?
Anonymous Quiz
10%
A. Subscapular
55%
B. Posterior humeral circumflex
11%
C. Radial recurrent
10%
D. Deep brachial
14%
E. Circumflex scapular
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