Technician A states that for a respiratory mask to be completely effective, it must cover your ears and nose completely. Technician B states that the kind of filter used in the respiratory mask depends on the chemical present in the atmosphere. Who is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because the effectiveness of a respiratory mask depends on the type of filter used, which should be appropriate for the specific chemicals present in the atmosphere. Technician A is incorrect as a respiratory mask does not need to cover the ears, only the nose and mouth.

Technician a States That for a Respiratory Mask to Be