The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 47-year-old female undergoes a thyroidectomy for treatment of Graves' disease. Post-operatively, she reports a hoarse voice and difficulty speaking. You suspect that this is likely a complication of her recent surgery. What is the embryologic origin of the damaged nerve that is most likely causing this patient's hoarseness?   (A) 1st pharyngeal arch   (B) 2nd pharyngeal arch   (C) 3rd pharyngeal arch   (D) 6th pharyngeal arch
['(D) 6th pharyngeal arch <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 1st pharyngeal arch \n (B) 2nd pharyngeal arch \n (C) 3rd pharyngeal arch \n (D) 6th pharyngeal arch <> possible answers', "  A 47-year-old female undergoes a thyroidectomy for treatment of Graves' disease. Post-operatively, she reports a hoarse voice and difficulty speaking. You suspect that this is likely a complication of her recent surgery. What is the embryologic origin of the damaged nerve that is most likely causing this patient's hoarseness? <> context@"]