QuestionSBA
QuestionChoice
The radial nerve supplies the most lateral aspect of the thumb, wrapping around its dorsal side. The median nerve supplies the thumb’s palmar surface, nail and dorsal surface of the distal phalanx.
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a
The sensory innervation of the thumb is contributed to by both the radial and median nerves
QuestionChoice
The median nerve supplies the lateral two-thirds of the palm. The medial aspect of the palm is innervated by the ulnar nerve.
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c
Injury to the median nerve results in the loss, or altered sensation of, the medial surface of the palm
QuestionChoice
The nail and nail beds of the medial 1.5 digits are supplied by the ulnar nerve.
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e
The median nerve supplies the nails and nail beds of all digits
QuestionChoice
The radial nerve supplies the dorsal surface of the hand, and the proximal and middle phalanges of the lateral 3.5 digits but the nail and dorsal surface of these are innervated by the median nerve.
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b
The radial nerve supplies the dorsal surface of the hand and lateral 3.5 digits
QuestionChoice
This branch supplies the medial third of the palm and the palmar surface of the medial 1.5 digits.
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d
The palmar cutaneous branch of the ulnar nerve supplies the medial third of the palm only
Concept
Chapter
2693
3866
Ulnar nerve injuries
Topic
145
Orthopaedics
13450
Which of the following statements, regarding the sensory innervation of the hand, is correct?
a