1. What is the most important rule in scuba diving?
2. During a descent, I begin to feel pressure on my ears. I should
3. Diving when I have a cold or allergies may cause
4. As I descend, I have trouble equalizing my ears. After signaling my buddy, I should ________________. If that doesn’t work, I should abort the dive
5. I need to make myself buoyant on the surface, but my BCD doesn’t seem to hold air. The correct response would be to
6. My buddy swims faster than me and Im swimming too hard to keep up, breathing hard and feel like I can’t get enough air. I should get my buddy’s attention, then
7. During a dive, I begin to shiver. At first it comes and goes, but then I begin to shiver uncontrollably. The appropriate action would be to
8. My buddy and I are headed to the boat’s mooring line, where we plan to ascend, do a safety stop and exit the water. However, before we get there I reach the pressure at which we planned to head up (ascent pressure). Under most circumstances, the right action to do is
9. Diving with two buddies, I notice that one isn’t in sight. I signal to the other. At that point, the general rule is to
10. My buddy and I observe a mild current at the dive site. Generally, when we start our dive we should swim
11. Most injuries caused by aquatic creatures result because the animal
12. Surfacing from a dive, my buddy and I find a moderate current carrying us away from the boat. We miss the trail line. What should we do?
13. While boat diving, I’m at the surface waiting for my buddy to enter. Unexpectedly, my fin comes off my foot, making it difficult for me to maintain my position. My first response should be to
14. My buddy is within arm’s reach and gives me the out-of- air signal. I should
15. The risk of decompression sickness (DCS) is thought to be higher if a diver
16. To reduce the risk of decompression sickness, my buddy and I
17. I’ve just invested in a new dive computer. The first thing I should do with it is
18. I am headed out of town on a commercial flight, but I want to make two dives. Based on the current recommendations, what is the minimum time that I should allow after the second dive before getting on the plane?
19. My buddy and I are swimming at 18 metres/60 feet. I check my dive computer and discover that it is completely dead, and I’m not using a backup computer. The correct action is to
20. Just before we’re supposed to ascend, my buddy’s dive watch falls off. After locating it, we find we’ve accidentally exceeded our computers’ no stop limits. Overstaying our time to look for it was a bad decision, but now we should
21. As Advanced Open Water Divers, my buddy and I are diving at 30 metres/100 feet. I feel a bit “drunk” and have trouble reading my dive computer. It’s likely that I’m experiencing