Abductor of vocal cord is?
Correct Answer: Posterior cricoarytenoid
Description: ANSWER: (A) Posterior cricoarytenoidREF: Dhingra 4th ed p. 259Repeat from December 2009, December 2010INTRINSIC MUSCLES ACTING ON VOCAL CORDS:AbductorsPosterior cricoarytenoidAdductorsLateral cricoarytenoid, Lnterarytenoid (transverse arytenoid) Thyroarytenoid (external part)TensorsCricothyroid Vocalis (internal part of thyroarytenoid)INTRINSIC MUSCLES ACTING ON LARYNGEAL INLET:Openers of laryngeal inletThyroepiglottic (part of thyroarytenoid)Closers of larylngeal inletlnterarytenoid (oblique part), Aryepiglottic (posterior oblique part of interarytenoids)
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