08-16-2009, 11:19 AM
A 48-year-old female patient develops an acute, severe and isolated right C6 radiculopathy affecting both the motor and sensory roots. She is examined in an EMG clinic 3 weeks after the onset of symptoms. Which of the following statements is true?
(Please select 1 option)
a]Absent sensory nerve potentials would be expected on examination of the thumb and index finger on the right.
b]A repeat examination 12 months later is likely to reveal rapidly recruited low amplitude short duration motor units in the clinically involved muscle on EMG.
c]Fibrillation potentials would be expected in the right extensor carpi ulnaris and extensor pollicis brevis.
d]Triceps tendon jerk is likely to be depressed or absent.
e]Voluntary motor unit activity may be absent in the right biceps.
(Please select 1 option)
a]Absent sensory nerve potentials would be expected on examination of the thumb and index finger on the right.
b]A repeat examination 12 months later is likely to reveal rapidly recruited low amplitude short duration motor units in the clinically involved muscle on EMG.
c]Fibrillation potentials would be expected in the right extensor carpi ulnaris and extensor pollicis brevis.
d]Triceps tendon jerk is likely to be depressed or absent.
e]Voluntary motor unit activity may be absent in the right biceps.