Successful tube passage through the larynx during blind nasotracheal intubation is indicated by which of the following? 1. Louder breath sounds 2. Harsh cough 3. Vocal silence
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: C
Successful passage of the tube through the larynx usually is indicated by a harsh cough, followed by vocal silence.
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