A nasopharyngeal airway is measured
  1. From the corner of the mouth to the earlobe.
  2. From the corner of the mouth to the pharynx.
  3. From the nose to the earlobe.
  4. From the nose to the pharynx.
Explanation
Answer - C - An NPA is inserted through the nose. It must be measured from the nose to the earlobe in order for it to be effective.
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