A 7 year-old male complains of numbness of the nasopharynx after surgical removal of the adenoid. A lesion of which of the following nerves would be expected?: (A) Maxillary nerve, (B) Superior cervical ganglion, (C) External laryngeal nerve, (D) Glossopharyngeal nerve
Answer is D. After adenoidectomy , there might occur injury to Glossopharyngeal ( 9th ) nerve. The Glossopharyngeal nerve supplies sensory innervation to the mucosa of the nasopharynx. The Vagus nerve supplies sensory innervation to the lower pharynx and larynx.