<prompt> Which of the following nerve involved in-opening inlet of larynxRecurrent laryngeal nerveExternal laryngeal nerveInternal laryngeal nerveSuperficial laryngeal nerve  <response>: Recurrent laryngeal nerve 243 - BDC3 - 4th editionIntrinsic muscles of the Larynx - 1. Cricothyroid only muscle outside the larynx 2. Posterior cricoarytenoid Triangular muscle 3. Lateral cricoarytenoid. 4. Transverse arytenoid unpairedmuscle 5. Oblique arytenoid and aryepiglotticus. 6. Thyroarytenoid and ThyroepiglotticMuscles acting on the LarynxMovementMuscles1. Elevation of larynxThyrohyoid, Mylohyoid2. Depression of larynxSternothyroid, Sternohyoid3. Opening inlet of larynxThyroepiglotticus4. Closing inlet of larynxAryepiglotticus5. Abductor of the vocal cordsPosterior cricoarytenoid6. Adductor of vocal cordsLateral cricoarytenoid , transverse, oblique arytenoid7. Tensor of vocal cordsCricothyroid8. Relaxor of vocal cordsThyroarytenoidAll intrinsic muscles of the larynx are supplied by the recurrent laryngeal nerve EXCEPTfor the cricothyroid which is supplied by the external laryngeal nerve 