1. How do Po2 and Pn2 change with increasing depth? What are the consequences for human divers as a result of these changes?
2. What is decompression sickness and what is the cause?
3. What are some of the common signs of decompression sickness?
4. What is the treatment for decompression sickness?
5. Why don’t marine animals, such as dolphins, get decompression sickness?
6. Describe some respiratory and cardiovascular adaptations enabling dolphins to stay underwater for long periods of time.
7. Whales can be deep divers with seemingly no ill efects. In the article by Hooker and Baird (1999), why do they suspect the whale dives were aerobic? Why do whales lower their ascent rate when diving to these great depths?
8. Once in the helicopter, the paramedics try to stabilize both patients. Would fying at high altitude worsen their condition? Why?
9. What are some of the long-term efects of decompression sickness?