While performing Mohs micrographic surgery for this squamous cell carcinoma (shown in picture), you sever a nerve that lies superficially in the temple, just beneath the thin dermis and subcutaneous fat. The patient would have trouble performing which of the following?

A. Raising his eyebrows

B. Grimacing

C. Smiling

D. Closing his eyes

E. Chewing food

To find out the correct answer and read the explanation, click here. 

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