From the PADI Rescue Diver Exercise 1-4, Chapter One, Question 2:
The three primary types of emergency oxygen systems include (check all that apply):
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The three primary types of emergency oxygen systems include (check all that apply):
a. non-resuscitator demand valve systems
b. continuous flow systems
c. membrane extraction systems
d. positive pressure resuscitator systems
b. continuous flow systems
c. membrane extraction systems
d. positive pressure resuscitator systems
I will post a daily question from my exams to help newer divers and to encourage more experienced divers to interact gracefully and helpfully with the newer divers.
Reminder - this is a post in the Basic Forum and it is a green zone. Please be nice and on topic.
Thank you for your patience while we try to give people something to discuss other than Covid-19 and/or Politics. I will post the answer covered by the spoiler tag later today.
