A 20-year-old pop star singer complains of inability to raise the pitch of her voice. She attributes this to the thyroid surgery that she underwent a

[Kathryn]

#may2020mccqe1

A 20-year-old pop star singer complains of inability to raise the pitch of her voice. She attributes this to the thyroid surgery that she underwent a few months back. What is the most likely cause of this patient’s presentation?
(A) Thyroid storm
(B) Bilateral recurrent laryngeal nerve injury
(C) Unilateral recurrent laryngeal nerve injury
(D) External laryngeal nerve injury
(E) Thyroid cyst