<prompt> Following surgical resection of a large thyroid mass, a patient complains of persistent hoarseness and a weak voice. What is the most likely cause of these symptoms?Traumatic intubationProlonged intubationInjury to the recurrent laryngeal nerveInjury to the superior laryngeal nerve  <response>: The most common complication of thyroid and parathyroid surgery is iatrogenic injury to the recurrent laryngeal nerve, which can result in temporary up to 7.1 or permanent up to 3.6 paralysis of the vocal cord. 