An Examiner Performing an NCS on a Patient Notes That

Multiple Choice

An examiner performing an NCS on a patient notes that the upper extremity nerve conduction velocities are about 5 to 10 meters per second faster than the lower extremity nerves. What is the correct interpretation of this finding?

A) This indicates a neuropathy affecting only the upper extremity nerves.
B) This is an abnormal finding likely caused by practitioner error in performance of the test.
C) This indicates a neuropathy affecting only the lower extremity nerves.
D) This is a normal finding.