<prompt> Total thyroidectomy done for a female . Following the surgery she developed stridor and dyspnea. The possible cause is:Bilateral superior laryngeal nerve injuryUnilateral superior laryngeal nerve injuryBilateral recurrent laryngeal nerve injuryUnilateral recurrent laryngeal nerve injury  <response>: Ans. c Bilateral Recurrent Laryngeal nerve InjuryRef: Bailey and Love 26th edition, page 761 Unilateral recurrent laryngeal nerve injury results in hoarseness Bilateral recurrent laryngeal nerve injury results in Stridor 