Q:

A 36 year old woman has an injury to the right external laryngeal nerve during a thyroid surgery. What symptom would be expected in this patient?

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A 36 year old woman has an injury to the right external laryngeal nerve during a thyroid surgery. What symptom would be expected in this patient?


  1. Stridor
  2. Hoarseness
  3. Aphonia
  4. Dysphonia
  5. Aphasia

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The key is D. Dysphonia. [External laryngeal nerve (smaller, external branch of the superior laryngeal nerve) lesion causes mono toned voice (loss of ability to produce pitched sound) that is dysphonia].

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