1. RESPIRATOR FIT QUIZ 1 Respirators prevent you from inhaling dangerous fumes or provide a safe supply of air when you need it. True

2. RESPIRATOR FIT QUIZ 2 A respirator is only as good as its fit and its seal. True

3. RESPIRATOR FIT QUIZ 3 A very small gap in the seal is not particularly dangerous. False -- Even a tiny gap in the seal could prove fatal.

4. RESPIRATOR FIT QUIZ 4 You should check the fit of your respirator at least once a month. False -- You should perform a seal check each time you use it.

5. RESPIRATOR FIT QUIZ 5 A respirator that fits properly is tight around the chin and pinches the nose. False -- The respirator should be secure but not too tight around the chin and the nose should not be pinched.

6. RESPIRATOR FIT QUIZ 6 Facial hair can cause a bad fit. True -- A beard or mustache can cause a bad fit, as can glasses with temple pieces, a large nose, missing teeth, an unusual jaw shape, or facial disfigurement.

7. RESPIRATOR FIT QUIZ 7 The qualitative test uses a test agent such as a harmless vapor, gas, smoke, or aerosol. True

8. RESPIRATOR FIT QUIZ 8 The quantitative test uses special instruments to measure contaminants outside the respirator face piece. False -- This test measures contaminants both inside and outside the face piece.

9. RESPIRATOR FIT QUIZ 9 The face piece should not bulge during a positive pressure test. False -- The face piece should bulge slightly when you breathe out gently. However, no air should leak out.

10. RESPIRATOR FIT QUIZ 10 In a negative pressure test, the face piece should collapse against your face. True -- The face piece should stay collapsed for 10 seconds with no air leaks.