A nurse has initiated rescue breathing with the aid of a one-way valve mask. What is the primary benefit of using this mask?
A) Maintains positive pressure in the client's lungs while the nurse stops exhaling to take a breath.
B) Reduces the nurse's risk of acquiring an infectious disease from the client.
C) Directs the nurse's breath into the lower airway by preventing air from escaping through the client's nose.
D) Ensures an airtight seal between the client's mouth and the nurse's mouth.
B
Feedback:
The nurse should use a one-way valve mask or other protective face shield if available. These devices theoretically reduce the potential for acquiring infectious diseases. They do not maintain positive lung pressure or redirect the flow of air. A valve mask may facilitate a higher quality seal around the client's mouth, but their primary purpose is for protection against infection.
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