padi IDC dive theory – skills and environment

Q3
What is a Discover Local Diving?
b)   An orientation to a new environment

Q4
How do you treat a diver with suspected decompression sickness?
a)    Get him back into the water and decompress at 5 meters for as long as the tank will last
b)   Administer oxygen and transport to medical facility
c)    Elevate legs
d)   Ensure they drink many fizzy drinks