<prompt> Sensory nerve supply of middle ear cavity is provided by:FacialGlossopharyngealVagusTrigeminal  <response>: b GlossopharyngealRef. Scott Brown, 8th ed., Vol 2 page 535The sensory supply of the middle ear is by the tympanic plexus which is formed by the Jacobsons nerve which is the tympanic branch of Glossopharyngeal IX along with sympathetic plexus from around the internal carotid. 