A 40-year-old woman comes to the physician because of hoarseness following surgery for removal of a thyroid nodule. Which branchial (pharyngeal) arch is the origin of the nerve most likely injured during her surgery?

9 votes
A. Branchial arch 1
 
11% / 1 vote
B. Branchial arch 2
 
22% / 2 votes
C. Branchial arch 3
 
33% / 3 votes
D. Branchial arch 4
 
11% / 1 vote
E. Branchial arch 5
 
0% / 0 votes
F. Branchial arch 6
 
22% / 2 votes


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