<prompt> Freys syndrome occurs due to damage to which nerve during Parotid gland surgery?Trigeminal nerveLesser petrosal nerveVidian nerveAuriculotemporal nerve  <response>: Ans. is d i.e., Auriculotemporal nerve Freys syndromeo Freys syndrome often results as a side effect of surgeries of or near the parotid gland or due to injury to the auriculotemporal nerve, which passes through the parotid gland in the early part of its course. The Auriculotemporal branch of the Trigeminal nerve carries parasympathetic fibers to the sweat glands of the scalp and the parotid salivary gland. As a result of severance and inappropriate regeneration, the parasympathetic nerve fibers may switch course, resulting in gustatory Sweating or sweating in the anticipation of eating, instead of the normal salivatory response 