<prompt> During ear examination, cough occurs due to stimulation of -VagusTrigeminalHypoglossalTrochlear  <response>: Ans. is a i.e., Vagus Irritation of the auricular branch of the vagus in the external ear may reflexly cause cough, vomitting.or even death due to sudden cardiac inhibition. - BDCo Auricular branch of the vagus nerve is also known as Aldermans nerve. 