AND SOLUTIONS GUARANTEE A+
✔✔How to breath? - ✔✔Always breathe
slowly and deeply and continu-
ously when using scuba. Strive to develop airway control.
✔✔Overexertion symptoms include - ✔✔symptoms include fatigue, labored breathing, a
feel- ing of suffocation, weakness, anxiety, headache, muscle cramping or a tendency
to panic.
✔✔three basic styles of exposure suits, - ✔✔the body suit, the wet suit and the dry suit.
✔✔All expo- sure suits have four basic maintenance steps: - ✔✔1) rinse, 2) dry inside
out, 3) store and 4) lubricate dry suit zip- pers periodically.
✔✔You can follow these points to avoid overheating: - ✔✔1. Set up all your equip- ment
before putting on the exposure suit. Put the suit on at the last possible moment.
2. Once you have the suit on, limit your activ- ity as much as possible.
3. Stay out of the sun as much as possible.
4. Keep your hood off, or at least pulled back off your head as long as possible.
5. Leave your jacket unzipped as long as possible.
6. Cool off by entering the water, or spraying down with a hose (common on dive boats)
as much as you need.
✔✔You can get two basic weight system types: - ✔✔the weight belt, and the integrated
weight system
✔✔The most important feature on any weight system. - ✔✔The quick release.
✔✔An important part of setup is determining how much weight you need. - ✔✔You
should float at eye level. If not, add or subtract weight until you do. You can hold
weights while you figure out how much you need, then adjust your weight system.
✔✔What is "alternate air source". - ✔✔An "alternate air source" is any second stage
you may use, other than your own primary second stage, to ascend while breathing
normally.
✔✔Alternate air sources that require another diver include ? - ✔✔the alternate air
second stage and the alternate inflator regulator.
✔✔What is a pony bottle? - ✔✔The pony bottle is an alternate air source
that you can use independently. It's a small scuba tank normally strapped alongside
your main tank,
, ✔✔Why do most divers prefer alternate air source ? - ✔✔Most divers prefer alternate air
source second stages and alternate inflator regulators because they cost less and have
less bulk and maintenance than pony bottles
✔✔Where should you locate your alternate air source? - ✔✔You secure the alternate to
your chest in the triangle formed by your chin and the lower corners of your rib cage,
which gives you or a buddy quick and easy access to it.
✔✔Five types if information you obtain from dive instruments? - ✔✔Everything you
need to know under- water: time, depth, direction, temperature and air supply.
✔✔How do you communicate while diving? - ✔✔With your hands — by signaling or
writing on a slate.
✔✔What are nine
specific points to agree prior to your dive? - ✔✔1. Agree on appropriate entry and exit
points and techniques.
2. Choose a course to follow.
3. Agree upon time and depth limits.
4. Establish and review communications.
5. Establish a returning air pressure.
6. Discuss the technique you'll use to stay together.
7. Agree on what to do if separated.
8. Discuss emergency procedures.
9. Agree on your dive objective. "Let's just look around," is as much of an objective as
you need, but check that your buddy has the same objective.
✔✔Use the phrase Begin With Review And Friend to help you remember the checks: -
✔✔BCD, Weights, Releases, Air, Final Okay
✔✔Remember BWRAF — - ✔✔BCD, Weights, Releases, Air and Final okay.
✔✔Some general rules for entries include: - ✔✔1. Be sure the entry area is clear so you
don't hit anything or anyone getting in.
2. If entering water too deep to stand in, have your BCD about half-inflated so you'll be
buoyant.
3. Be sure your buddy is prepared to enter, too.
4. Hold your mask so the water doesn't knock it off. This isn't an issue with some types
of entries.
5. After entering, signal that you're okay and clear the entry area to wait for your buddy.
✔✔Descending has five steps? - ✔✔1. You and your buddy signal that you're both
ready to descend.
2. Orient yourself to something at the surface that will help you find out where you are
when you resurface.