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A Patient Who Is Able to Smile While Laughing but Cannot

Question 21

Multiple Choice

A patient who is able to smile while laughing but cannot smile on command likely has a:


A) unilateral lesion of the facial nerve
B) unilateral lesion of an upper motor neuron innervating the facial nerve
C) bilateral lesion of the facial nerve
D) bilateral lesion of the upper motor neurons innervating the facial nerve

Correct Answer:

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