Answers (Verified Answers) 2026/2027
Underwater objects appear:
a) larger and/or closer
b) smaller and/or more distant
c) the same as they do in air - CORRECT ANSWER -a) larger and/or closer
My buddy has a bright red shoulder patch on his wet suit. If we're diving together
in very clear water on a sunny day, at 12 meters/40 feet I would expect the patch
to appear:
a) a more vivid red
b) less red than at the surface
c) blue - CORRECT ANSWER -b) less red than at the surface
While my buddy and I are diving, a motorboat passes by about 300 meters/yards
away. Which of the following statements is true?
a) it will sound farther away (quieter) than in air.
b) I may have difficulty determining where the boat is based on the sound
c) it will sound like it is straight below me - CORRECT ANSWER -b) I may have
difficulty determining where the boat is based on the sound
Because water is denser than air, it takes more effort to move through water.
True or False - CORRECT ANSWER -True
,To move efficiently as a diver, I should move:
a) quickly and steadily
b) quickly and sporadically
c) slowly and steadily
d) slowly and sporadically - CORRECT ANSWER -c) slowly and steadily
Streamlining benefits me as a diver because it reduces drag, which helps me save
energy.
True or False - CORRECT ANSWER -True
Trim is important for streamlining because:
a) poor trim raises and lowers my feet, causing drag
b) it means I have the correct amount of weight - CORRECT ANSWER -a) poor trim
raises and lowers my feet, causing drag
Water's density works best for me when I use the skill of:
a) shallow, rapid breathing
b) clearing water from my mask
c) equalizing my ears, sinuses and mask
d) controlling my buoyancy - CORRECT ANSWER -d) controlling my buoyancy
I chill faster in water than in air of the same temperature because water absorbs
more heat than air does.
, True or False - CORRECT ANSWER -True
To stay comfortably warm during a dive, I:
a) wear an appropriate exposure suit
b) never dive in water colder than 24C/75F - CORRECT ANSWER -a) wear an
appropriate exposure suit
After 30 minutes underwater, I start to feel a bit too cool and uncomfortable. I
should:
a) increase my activity
b) keep my arms by my sides
c) end the dive immediately, dry off and seek warmth - CORRECT ANSWER -c) end
the dive immediately, dry off and seek warmth
While scuba diving, I should breathe:
a) rapidly and shallowly
b) slowly and deeply - CORRECT ANSWER -b) slowly and deeply
One method of airway control is to inhale slowly. I can also _______ to help
breathe past small amounts of water in my regulator.
a) tilt my head upward
b) press the purge button
c) close and reopen the cylinder valve
d) raise my tongue - CORRECT ANSWER -d) raise my tongue