0 of 3 Questions completed
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 3 Questions answered correctly
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
1. Question1 point(s)
You are responsible for your respiratory protection.
2. Question1 point(s)
The lungs can tell the difference between clean air and contaminated air.
3. Question1 point(s)
The two major types of respiratory hazards are oxygen deficiency and air contamination.