<prompt> Which of the following intrinsic laryngeal muscles is NOT derived from branchial arch VI:Cricoarytenoid muscleInterarytenoid muscleThyroarytenoid muscleCricothyroid muscle  <response>: Ans. d Cricothyroid muscleRef: Inderbir Singhs Embroyology, 7th ed. 119-120 All intrinsic laryngeal muscles is derived from branchial arch VI EXCEPT cricothyroid muscle. Cricothyroid muscle is derived from branchial arch IV. 