Which test can detect facial nerve palsy occurring due to lesion at the outlet of stylomastoid?
Lesion occuring at the outlet of stylomastoid foramen means LMN palsy, so face sags and is drawn across to opposite side. Chorda tympani nerve is spared at this level hence taste sensation over anterior 2/3 of tongue preserved
Detion of angle of mouth towards opposite side
Loss of taste sensation in anterior 2/3 of tongue
Loss of sensation over right cheek
Detion of tongue towards opposite side