A 43-year-old woman is diagnosed with a condition that causes excruciating pain near her nose and mouth. The involved nerve innervates which of the following branchial arches?

A 43-year-old woman is diagnosed with a condition that causes excruciating pain near her nose and mouth. The involved nerve innervates which of the following branchial arches?



(A) First
(B) Second
(C) Third
(D) Fourth

Answer: (A) First