Which of the following describes the proper method for measuring the appropriate length to use when inserting a nasopharyngeal airway?
A) When holding the airway on the side of the patient's face, it should reach from the tragus of the ear to the nostril plus 1 inch.
B) When holding the airway on the side of the patient's face, it should reach from the opening of the mouth to the back angle of the jaw.
C) When holding the airway on the side of the patient's face, it should reach from the tip of the ear to the nostril times two.
D) The airways come in standard sizes determined by the height and weight of the patient.
A
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