QuestionSBA
QuestionChoice
Radial nerve is correct as it causes wrist drop when compressed. Colloquially, the patient has 'saturday night palsy' caused by sleeping on the upper arm, resulting in pressure on the radial nerve.
10002701
a
Radial Nerve
QuestionChoice
This is incorrect. Ulnar nerve palsy results in the patient being unable to adduct their thumb to hold a piece of paper between their thumb and index finger.
10002702
b
Ulnar Nerve
QuestionChoice
This is incorrect. Damage to the axillary nerve causes inabilty to abduct the shoulder and loss of sensation over the inferior deltoid.
10002704
d
Axillary Nerve
QuestionChoice
This is incorrect, damage to the musculocutaneous nerve causes weakened flexion of the shoulder and elbow and weak supination of the forearm. There is also sensory loss over the lateral side of the forearm.
10002705
e
Musculocutaneous Nerve
QuestionChoice
This is incorrect. Compression of the median nerve can cause carpal tunnel syndrome which causes numbness, tingling and pain throughout the anterolateral 3 and a half fingers.
10002703
c
Median Nerve
Concept
Chapter
2693
3864
Brachial plexus injuries
Topic
141
Neurology
13087
A 19-year-old man presents to his GP as he noticed he is unable to straighten his wrist and has noticed this has also affected his fingers as his grip strength is weak. He explains he noticed this occured one weak ago after returning home from a night out and explains he slept with his head on his upper arm.

What is the affected nerve?
a