ANSWERS WITH GUARANTEED PASS!!
what type of tissues absorb nitrogen quickly - ANSWER ✔✔- good
blood supply (fast tissues)
DCI - ANSWER ✔✔- caused by fast ascent due to nitrogen bubbles in
blood
what do things measuring DCI measure - ANSWER ✔✔- depth
time
gas mix
Ascent stat rules - ANSWER ✔✔- 15m a minute until 6m
At 6m to 0m is should take one minute
acute oxygen toxicity - ANSWER ✔✔- high perecntage and pressure of
oxygen.
dizziness
nausea
muscle twitching
convulsions
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,what stops aot - ANSWER ✔✔- Maximum operating depth
recommendations
aot symptons - ANSWER ✔✔- muscular twitching of the
face,nausea,unconsciousness
if the nitrox reading is over 1% different to the stated mix - ANSWER
✔✔- the mix should not be used
How to analyse a nitrox mix - ANSWER ✔✔- Switch on
Calibrate
Open cylinder
Analyse (by slowly turning on gas and presenting analyzer to valve)
Take reading
How to keep nitox analyser working - ANSWER ✔✔- avoid windy
conditions
avoid moisture
avoid high levels of oxygen
Role of a DM - ANSWER ✔✔- Select dive site and depth
Timetable of the day
Provision of gas / boats
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, Gives a dive brief
What should you tell the Dm after a dive - ANSWER ✔✔- Maximum
depth reached
Amount of gas remaining
Dive time
Any problems
when should you surface - ANSWER ✔✔- when you have 70 bar. leave
the water with 50
Elected commitee - ANSWER ✔✔- Diving officer
Training officer
Chairperson
Treasurer
Secretary
Equipment officer
Ocean diver aim - ANSWER ✔✔- Dive to 20m with a dive manager.
Able to use 32-36 nitrox on air tables
Discovery diver aim - ANSWER ✔✔- 12m depth under direct in water
supervision of a dive leader
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