<prompt> Lacrimation is affected when facial nerve injury is at:Geniculate ganglionMastoid segmentAt Otic ganglionAt Stylomastoid foramen  <response>: a Geniculate ganglionRef. Cummings, 6th ed., 2606Mastoid segment and Stylomastoid foramen are beyond the geniculate ganglion.Otic ganglion is for the parasympathetic supply to the parotid. 