<prompt> Which test can detect facial nerve palsy occurring due to the lesion at the outlet of stylomastoid foramen -Deviation of angle of mouth towards opposite sideLoss of taste sensation in anterior 23 of tongueLoss of sensation over right cheekDeviation of tongue towards opposite side  <response>: Injury at stylomastoid foramen causes LMN palsy, so the face sags and drawn across to the opposite side.Chorda tympani is spared at this level, taste sensation over anterior 23 of tongue is preserved. 