Which of the following is a two-pronged device to deliver oxygen?

Question

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A nasal cannula is a two-pronged device used to deliver oxygen to a patient via the nose. The prongs are inserted into the nostrils and the oxygen flows through the tubing and into the patient's lungs. Endotracheal intubation is a procedure in which a tube is inserted through the mouth or nose and down into the trachea to maintain an open airway. A pressure-equalizing tube is a device used to treat a condition called otitis media by equalizing pressure in the middle ear. A cochlear implant is a complex electronic device used to stimulate the auditory nerve and provide hearing to individuals with profound hearing loss.

Which of the Following Is a Two-Pronged Device to Deliver