What is the average distance from the tip of a properly positioned oral endotracheal tube to the incisors of an adult man?
a. 16 to 18 cm
b. 19 to 21 cm
c. 21 to 23 cm
d. 24 to 26 cm
ANS: C
As indicated in Table 36-2 the average length from the teeth (incisors) to the tip of a properly po-sitioned oral endotracheal tube in males is between 21 and 23 cm.
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