Heartsaver First Aid Part I
Progress Indicator:
 
Question 3 of 22
3. The wearing and use of the breathing apparatus by team members for a period of at least ____ hours while under oxygen every ______ months is required under Part 49.
Choices:
- 1 / 3
- 2 / 4
- 2 / 2
- 3 / 2
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