a diving watch must be able to withstand pressure and measure____________ -
Answer -Elapsed time
An irregular breathing pattern (skip breathing) while diving will possibly
cause_______________ - Answer -Carbon dioxide excess
at minimum while diving most dive computers display - Answer -maximum depth,
current depth,
actual bottom time,
remaining allowable bottom time
open heel fins are usually the fins of choice for scuba divers because - Answer -they
may be used in a wide variety of environmental conditions
minimum surface intervals required by naui tables are - Answer -one hour
during descent a divers buoyancy tends to _______ - Answer -decrease
a divers body heat is lost through conduction (primarily) at the rate of approximately
__________ times more rapidly then in air - Answer -25
a sealed balloon filled with air that has a volume of 4 liters at 99 feet of seawater will
have a volume of _____________ at 33 feet of seawater - Answer -8 liters
scuba tanks should always have some pressure in them to prevent - Answer -moisture
from entering
If you are diving wearing an exposure suit you should _______ to safely control
buoyancy as you descend - Answer -Add air to your buoyancy device
The preferred action to take if you find yourself alone and out of air at 30 feet in open
water is - Answer -emergency swimming ascent
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