After thyroidectomy cadeveric position of vocal cords are due to:
Unilateral recurrent laryngeal nerve paralysis.
Bilateral recurrent laryngeal nerve paralysis.
Unilateral external laryngeal nerve paralysis.
Bilateral external laryngeal nerve paralysis.
In case of bilateral recurrent laryngeal nerve paralysis, the vocal cords will be motionless, lying in a 'cadaveric position'. Immediate tracheostomy is the life-saving measure.