Technician a States That for a Respiratory Mask to Be

question 173

Multiple Choice

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?

• A) Technician A
• B) Technician B
• C) Both A and B
• D) Neither A nor B