Which device is used to deliver oxygen therapy via nasal cannula and can provide 1-6 L per minute?

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Multiple Choice

Which device is used to deliver oxygen therapy via nasal cannula and can provide 1-6 L per minute?

Explanation:
A nasal cannula delivers oxygen through small prongs placed in the nostrils, looping over the ears. It’s designed for low-to-moderate oxygen delivery, and at 1–6 L/min it provides roughly 24–44% FiO2, depending on breathing pattern and whether humidification is used. It’s comfortable and allows eating and talking, which is why it’s often chosen when high oxygen concentration isn’t required. If a higher FiO2 is needed, a device like an oronasal mask can deliver more oxygen by covering both nose and mouth; a tent isn’t a standard oxygen delivery method for this purpose, and a tracheostomy mask is used for patients with a tracheostomy.

A nasal cannula delivers oxygen through small prongs placed in the nostrils, looping over the ears. It’s designed for low-to-moderate oxygen delivery, and at 1–6 L/min it provides roughly 24–44% FiO2, depending on breathing pattern and whether humidification is used. It’s comfortable and allows eating and talking, which is why it’s often chosen when high oxygen concentration isn’t required. If a higher FiO2 is needed, a device like an oronasal mask can deliver more oxygen by covering both nose and mouth; a tent isn’t a standard oxygen delivery method for this purpose, and a tracheostomy mask is used for patients with a tracheostomy.

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