When Performing a Nerve Conduction Velocity (NCV)test,the Therapist Notes a Change

question 13

Multiple Choice

When performing a nerve conduction velocity (NCV) test,the therapist notes a change in the temporal dispersion; specifically,the amplitude of the M wave is decreased.What might this indicate?

• A)A very strong contraction of the muscle being tested.
• B)Slow recruitment of the motor units being tested.
• C)Decreased NCV of the nerve being tested
• D)Partial denervation of the muscle being tested.

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