How Would You Estimate the Appropriate Length for a Nasopharyngeal

question 45

Multiple Choice

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.

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