Question

In a qualitative fit test, a challenge agent is used outside the respirator to see if the wearer of the respirator can detect it. One of the agents used is ____________.

A. Sugar solution
B. Banana oil
C. Water vapor
D. Lemon juice

Answer 1

For a qualitative fit test, banana oil is used as a challenge agent to test the effectiveness of a respirator's seal, as its distinct smell can indicate a poor fit if detected.

Step-by-step explanation:

In a qualitative fit test, a challenge agent is used outside the respirator to determine if the wearer is able to detect it through the respirator's filter. The correct answer to the question, "One of the agents used is ____________," is B. Banana oil (isoamyl acetate). Agents like banana oil are used because they have a distinct smell that can be easily identified if the respirator does not fit properly. Sugar solution, water vapor, and lemon juice are not typically used for this purpose in fit testing respirators.