What is the primary purpose of respirator fit testing, and which categories of methods are used?

What is the primary purpose of respirator fit testing, and which categories of methods are used?

• A. To ensure proper seal; qualitative (taste/smell) and quantitative (instruments) methods.
• B. To validate mask color against standards.
• C. To assess the wearer’s lung capacity.
• D. To measure airflow rate of the respirator.

Answer: (A)