The density of water is ____x more dense than water - ANSWER 800
Light is ___________ as depth ______________ - ANSWER absorbed as depth increases
______ colors fade underwater, while ______ colors remain - ANSWER WARM colors fade, COOL colors remain
Breathing 100% Air at ____ ft is LETHAL - ANSWER 297FT
we use _____ circuit scuba - ANSWER OPEN
CO2 toxicity causes _________, or getting blue lips and nail beds - ANSWER CYANOSIS
Blood absorbs CO ____x faster than CO2 - ANSWER 400X
CO poisoning can cause - ANSWER RED LIPS
What does SCUBA stand for? - ANSWER Self Contained Underwater Breathing Apparatus
TANKS come in ______ capacities, must be _______ checked annually, and ___________ tested every 5
years - ANSWER VARIED CAPACITIES, VISUAL TEST EVERY 1 YEAR, HYDROSTATIC TESTED EVERY 5
We use ________ regulators - ANSWER DEMAND
What five things must a buoyancy compensator have? - ANSWER 1. LARGE DIAORAL INFLATOR
2. POWER INFLATOR
3. AT LEAST #25 POSITIVE BUOYANCY
4. RELIEF VALVE
5. DUMP VALVE
What four things do you need to know about your dive buddy? - ANSWER 1. EXPERIENCE
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