The cough response caused while cleaning the ear canal is mediated by stimulation of-
Correct Answer: The X cranial nerve
Description: “Irritation of the auricular branches of the vagus in the external ear (by ear wax, syringe, etc.) may reflexly cause cough, vomiting, or even
death due to sudden cardiac inhibition.”
Auricular branch of the vagus nerve is also known as Arnold’s nerve or Alderman’s nerve.
Also Know
Similarly irritation of recurrent laryngeal nerve by enlarged lymph nodes in children may also produce a persistent cough.
Category:
ENT
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