<prompt> Facial nerve stimulation during testing of nerve indicated by contraction of which muscle?TemporalisMasseterSternocleidomastoidOrbicularis oris  <response>: Facial nerve supplies the muscles of the facial expression like orbicularis oris. Muscles of mastication like masseter and temporalis are supplied by the mandibular nerve, a branch of trigeminal nerve.Spinal accessory nerve supplies sternocleidomastoid and the trapezius. 