padi IDC dive theory – skills and environment

Q4
How do you treat a diver with suspected decompression sickness?
b)   Administer oxygen and transport to medical facility

Q5
How do you determine the correct weight at the surface?
a)    The diver holds breath at the surface with deflated BCD and sinks
b)   The diver holds breath at the surface with deflated BCD and floats at eye level
c)    Correct weighting at the surface is not important
d)   The diver holds breath at the surface with inflated BCD and floats