Anatomy: aiims may 16-Q10

Q-10. The following is the superior and side view of the larynx, which letter denotes the abductor of the vocal cords?

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a) A
b) B
c) C
d) D

Answer: A
Explanation:
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Intrinsic muscles of larynx acting on vocal cords:
Abductors: Posterior crico-arytenoid
Adductors: Lateral crico-arytenoid, inter-arytenoid and thyro-arytenoid
Tensors: Cricothyroid and Vocalis (Internal part of thyro-arytenoid)