Question

which of the following items is a droplet precaution?
wearing a hepa filter mask
wearing a standard surgical mask
keeping the room at negative pressure
all of the above

Explanation:

Droplet precautions aim to prevent the spread of pathogens transmitted by respiratory droplets. A standard surgical mask can block large - sized droplets. A HEPA filter mask is more for airborne precautions dealing with smaller particles. Keeping the room at negative pressure is also for airborne precautions to prevent the spread of airborne infectious agents. Droplet precautions mainly involve wearing a standard surgical mask.

Answer:

Wearing a standard surgical mask