Final answer:
Divers must ascend slowly or make decompression stops to prevent Decompression Sickness (DCS). If preventive measures fail, hyperbaric oxygen therapy in a decompression chamber is recommended. The waiting time before attending hypobaric chamber exposure varies.
Step-by-step explanation:
When scuba diving, divers must ascend at relatively slow speeds or make decompression stops to avoid Decompression Sickness (DCS), which occurs when the dissolved gases in the diver's blood form bubbles. If preventive measures fail, divers with DCS usually undergo hyperbaric oxygen therapy in a decompression chamber.
The waiting time before attending hypobaric chamber exposure is determined by the severity of the symptoms and the recommendation of a medical professional.