inflate my BCD, switch to my snorkel and signal "okay" to the - CORRECT ANSWER divemaster and buddy
At 10 metres/33 feet you're _____ bar/ata of total pressure and the air density is ___ times as great as
at the surface. - CORRECT ANSWER 2
As I descend, I need to equalize air spaces. Which of the following are accepted ways of equalizing my
ears? (choose all that apply) - CORRECT ANSWER Block my noses and attempt to gently blow through it.
Shallow and wiggle the jaw from side to side.
During a descent, I try to equalize but discover I'm having trouble doing so. Which of the following is
correct? - CORRECT ANSWER Stop my descent, signal my buddy, ascend slightly and try again.
I should equalize - CORRECT ANSWER early and often, before I feel discomfort.
I should not dive with a cold, nor use medications to dive with a cold. - CORRECT ANSWER True
The most important rule in scuba diving is: - CORRECT ANSWER Breathe continuously and never hold my
breath.
Failure to follow the most important rule in scuba diving can cause serious lung overexpansion (lung
rupture) injuries, which in turn can cause paralysis and death. - CORRECT ANSWER True
If I feel discomfort in a body air space while ascending, the correct action is to: - CORRECT ANSWER Stop,
descend slightly and give trapped air time to work its way out.
My buddy and I are planning a dive to 18 metres/60 feet. We would expect our air supply to last
________ at 10 metres/33 feet, all else being the same. - CORRECT ANSWER shorter than
, During a dive, I swim hard to keep up with a fish that interests me, but shortly begin to feel like I can't
get enough air. The correct action would be to: - CORRECT ANSWER Stop all activity and rest to restore
proper deep, slow breathing.
An object that is neutrally buoyant in fresh water will _______ in salt water. - CORRECT ANSWER float
The three overall benefits of the buddy system are practicality, safety and fun. - CORRECT ANSWER True
The primary considerations when choosing any piece of scuba gear are: (choose all that apply) -
CORRECT ANSWER suitability, fit, comfort
I'm planning to dive the following week and am checking my gear. I put my kit together and notice that
my regulator seems to breathe harder than I remember. The appropriate action would be to: - CORRECT
ANSWER Have it inspected and serviced as needed by a professional before using it.
There is no way to use a DIN regulator on a yoke cylinder valve. - CORRECT ANSWER False
It is important to master buoyancy control because it allows me to control whether I descend, float or
am neutrally buoyant. I adjust my buoyancy frequently while diving. - CORRECT ANSWER True
I take a colorful fish identification slate with me while diving. Lookingat the slate underwater at 12
metres/40 feet, I would expect the slateto look (choose all that apply) - CORRECT ANSWER less colorful.
larger/closer.
While underwater, I want to move efficiently by (choose all that apply) - CORRECT ANSWER being
streamlined, swimming slowly and steadily, maintaining proper trim.
During a dive, I can't stop shivering. The proper response would be to - CORRECT ANSWER exit the water
immediately, dry off and seek warmth.
During a dive, my buddy and I have to swim hard because of an unexpected current. If I were to begin to
feel fatigued, have labored breathing, experience a feeling of suffocation or air starvation, and perhaps
feel like I may panic, I should - CORRECT ANSWER stop all activity, signal my buddy and rest.