When determining what size endotracheal tube a patient will need, what is a general rule that can be used to determine the correct size?
A)A tube that, with the cuff deflated, is larger than the trachea's internal diameter
B)A tube that, with the cuff inflated, is the same size as the trachea
C)A tube that is just smaller than the trachea's internal diameter
D)A tube that is just larger than the trachea's internal diameter

Question

Quizplus · Accepted Answer

A tube that is just smaller than the trachea's internal diameter will help in determining the correct size endotracheal tube. It is helpful to have a few different sizes on hand during intubation.

When Determining What Size Endotracheal Tube a Patient Will Need