Which device delivers CPAP or BiPAP noninvasively?

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Multiple Choice

Which device delivers CPAP or BiPAP noninvasively?

Explanation:
Noninvasive CPAP or BiPAP is delivered through a mask or nasal interface to provide positive airway pressure without inserting a tube into the trachea. CPAP maintains a constant pressure to keep airways open, while BiPAP provides two pressures—higher during inspiration and lower during expiration—to assist breathing. The nasal cannula only supplies oxygen and does not provide airway pressure support; a Venturi mask delivers fixed oxygen concentration without pressure, and an endotracheal tube is an invasive airway accessed through the trachea.

Noninvasive CPAP or BiPAP is delivered through a mask or nasal interface to provide positive airway pressure without inserting a tube into the trachea. CPAP maintains a constant pressure to keep airways open, while BiPAP provides two pressures—higher during inspiration and lower during expiration—to assist breathing. The nasal cannula only supplies oxygen and does not provide airway pressure support; a Venturi mask delivers fixed oxygen concentration without pressure, and an endotracheal tube is an invasive airway accessed through the trachea.

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