Question

1. 1. what are worn by people as \source control\ as the lowest level of fluid barrier and filtration of airborne particles? a face masks b barrier face coverings c surgical masks d respirators

Explanation:

Barrier face coverings are worn as a "source control" and are the lowest - level for fluid barrier and airborne particle filtration among the options. Face masks can refer to a general category, surgical masks and respirators have higher levels of protection and filtration capabilities compared to simple barrier face coverings.

Answer:

B. Barrier face coverings