Which test can detect facial nerve palsy occurring due to the lesion at the outlet of stylomastoid foramen -
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 2/3 of tongue is preserved.
Deviation of angle of mouth towards opposite side
Loss of taste sensation in anterior 2/3 of tongue
Loss of sensation over right cheek
Deviation of tongue towards opposite side