Which of the following is NOT a part of standard precautions when dealing with airborne pathogens?

Wearing a mask only in crowded areas does not align with standard precautions for dealing with airborne pathogens, which emphasize a more consistent and comprehensive approach. Standard precautions are designed to protect healthcare professionals and patients from a range of infectious agents, including those spread through the air.

When dealing with airborne pathogens, it is critical to wear appropriate personal protective equipment, such as N-95 respirators, in any situation where exposure to these pathogens could occur, not just in crowded environments. This ensures a higher level of protection against potential airborne transmission, as pathogens can spread in various settings, not solely in crowded areas.

Additionally, ensuring proper room ventilation and using gloves when handling bodily fluids are also essential parts of standard precautions. These measures are all aimed at minimizing the risk of infection through multiple potential routes. By wearing a mask only when in crowded areas, a healthcare professional may inadvertently expose themselves to airborne pathogens in other situations where such precautions are warranted.