Final answer:
A CPR mask is beneficial because it prevents the transmission of infectious diseases, protects against airborne particles, and provides pure oxygen to the patient.
Step-by-step explanation:
A CPR mask is beneficial when giving CPR for several reasons. Firstly, it prevents the possible transmission of infectious diseases from the patient to the person performing CPR. The mask acts as a barrier, reducing the risk of direct contact with bodily fluids. Secondly, it protects the rescuer from airborne particles and droplets that may be present during the rescue process. Lastly, a CPR mask helps provide pure oxygen to the patient, improving oxygenation and increasing the chances of successful resuscitation.
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