22、 Which of the following statement is least likely?
(A) Laryngospasm is a reflex closure of the upper airway from spasm of the glotticmusculature
(B) Stridor is noisy inspiration from turbulent upper airway gas flow
(C) The posterior cricoarytenoids abduct the vocal cords and widen the glotticchink during inspiration
(D) The thyroarytenoids and lateral cricoarytenoids adduct the vocal fold
(E) Intravenous fentayl can depress the protective airway cough reflex withoutaffecting the laryngospasm reflex