Which of the following is the method for the insertion of a nasopharyngeal airway?

(Answer to Q. 1)  ANS: B
Insertion of an oropharyngeal airway is done upside-down and then turned. Inserting the naso-pharyngeal airway parallel to the long axis of the nose is inserting it up the nose and is likely to cause bleeding. It is impossible to insert the nasopharyngeal airway perpendicular to the nasal pharynx floor.

(Answer to Q. 2)  ANS: A
The placement of a laryngeal mask airway does not necessitate airway manipulation or a special device. It does not protect the lungs from aspiration because it does not reliably seal the esopha-geal inlet. It is, however, superior to a nasopharyngeal airway.

(Answer to Q. 3)  ANS: C
If the patient struggles to expel an oropharyngeal airway, attempts at insertion should be aban-doned and an improved head position or a nasopharyngeal airway should be used to open the upper airway. The nasopharyngeal airway will also facilitate nasotracheal suction to evacuate ex-cess mucus in the airways. A tracheostomy is not appropriate in this situation because it is too invasive. A Berman airway is another type of oropharyngeal airway that this kind of patient will not be able to tolerate. Sedation of the patient is not appropriate at this time.

(Answer to Q. 4)  ANS: B
The Guedel airway has a central channel, is measured in millimeters, and differs from the Berman airway in its cross-sectional profile.

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