MRCS Part A Practice Questions - MRCS Part A (Intercollegiate Membership Of The Royal College Of Surgeons Part A) Exam

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A thyroidectomy is complicated by injury to the external branch of the superior laryngeal nerve. What is the expected clinical consequence?

Complete loss of voice with bilateral cord paralysis Inability to abduct the vocal cords Loss of sensation above the vocal cords only Weakness of the cricothyroid muscle causing voice fatigue and loss of high-pitched phonation

Correct Answer:

Weakness of the cricothyroid muscle causing voice fatigue and loss of high-pitched phonation

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