Lacrimation is affected when facial nerve injury is at:: (A) Geniculate ganglion, (B) Mastoid segment, (C) At Otic ganglion, (D) At Stylomastoid foramen
Answer is A. (a) Geniculate ganglion(Ref. Cummings, 6th ed., 2606)Mastoid segment and Stylomastoid foramen are beyond the geniculate ganglion.Otic ganglion is for the parasympathetic supply to the parotid.