How Would You Estimate the Appropriate Length for a Nasopharyngeal

How would you estimate the appropriate length for a nasopharyngeal airway?

A) Subtract twice the diameter of the tube from its length.
B) Measure the distance from the earlobe to the Adam's apple.
C) Apply the estimating formula: length (cm) = 15 + (age ÷ 2) .
D) Measure the distance from the earlobe to the tip of the nose.

Correct Answer:

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