If NCV studies show that conduction is slowed at a single site in one nerve, yet the NCV is normal throughout the remainder of the nerve and in other nerves, the disorder is characterized as which of the following?
A. Traumatic myelinopathy
B. Axonopathy
C. Severance injury
D. Myopathy
E. Polyneuropathy
ANS: A
Rationale: Traumatic myelinopathy is limited to a single site on a nerve, so nerve conduction proximal and distal to the site of myelinopathy is normal.
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