In a deep water out-of-air emergency, if your buddy is not close enough, best response is to this emergency is not to perform a controlled swimming Ascent.
Answer: False.
Explanation:
Controlled Swimming Emergency Ascent is a technique which is used by the scuba divers, which is used in an emergency, in case the diver has gone out of breathing gas in the shallow water and he should be returned back to the surface.
This should be the last resort that the divers should make if he runs out of the breathing gas and to avoid this kind of situation, the divers should check the amount of the gas that he has in his cylinder before going in the water surface.
