PADI Knowledge Reviews Test.
As I descend, I need to equalize air spaces. Which of the following are accepted way if equalizing my
ears?
a. Block my nose and attempt to gently blow through it
b. Swallow and wiggle the jaw from side to side
c. Block my nose and blow forcefully for an extended period - CORRECT ANSWER a. Block my nose and
attempt to gently blow through it
b. Swallow 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?
a. Slow my descent, signal my buddy to slow down, and equalize more forcefully
b. Stop my descent, signal my buddy, ascend slightly and try again
c. Continue my descent while equalizing repeatedly
d. Signal my buddy, ascend to the surface and start my descent over - CORRECT ANSWER b. Stop my
descent, signal my buddy, ascend slightly and try again
I should equalize
a. Early and often, before I feel discomfort
b. When I begin to feel discomfort
c. Only if I experience pain - CORRECT ANSWER a. Early and often, before I feel discomfort
I should not dive with a cold, nor use medications to dive with a cold
a. True
b. False - CORRECT ANSWER a. True
The most important rule in scuba diving is:
a. Breathe continuously and never hold my breath
b. Always dive with a buddy
,c. Keep my mask on while in the water, even at the surface
d. Check my SPG at least every couple of minutes - CORRECT ANSWER a. Breathe continuously and never
hold my breath
Failure to follow the most important rule in scuba diving can cause serious lung over expansion (lung
rupture) injuries, which in turn can cause paralysis and death
a. True
b. False - CORRECT ANSWER a. True
If I feel discomfort in a body air space while ascending, the correct action is to:
a. Continue my ascent while blowing against blocked nostrils
b. Stop, descend slightly and give trapped air time to work its way out.
c. Descend at least 10metres/33feet, then resume my ascent - CORRECT ANSWER b. Stop, descend
slightly and give trapped air time to work its way out.
My buddy and I are planning a dive to 18metres/60feet. We would expect our air supply to last
________ at 10metres/33feet, all else being the same
a. longer than
b. shorter than
c. the same as - CORRECT ANSWER b. shorter than
During a dive, I swim hard to keep up with the fish that interests me, but shortly I begin to feel like I
can't get enough air. The correct action would be to:
a. Signal my buddy and head up to the surface
b. Use the regulator purge button to boost air flow
c. Stop all activity and rest to restore proper deep, slow breathing - CORRECT ANSWER c. Stop all activity
and rest to restore proper deep, slow breathing
An object that is neutrally buoyant in fresh water will _________ in salt water
a. sink
b. float
, c. be neutrally buoyant - CORRECT ANSWER b. float
The three overall benefits of the buddy system are practicality, safety, and fun
a. True
b. False - CORRECT ANSWER a. True
The primary consideration when choosing any piece of scuba gear are:
a. suitability
b. brand
c. fit
d. comfort - CORRECT ANSWER a. suitability
c. fit
d. 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:
a. Have it inspected and serviced as needed by a professional before using it
b. Go ahead and use it, but limit my dive depth to 10metres/33feet
c. Wash it in fresh water and see if the problem persists - CORRECT ANSWER a. 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
a. True
b. False - CORRECT ANSWER b. False
It is important to master buoyancy control because it allows me to control whether is descend, float or
am neutrally buoyant. I adjust my buoyancy frequently while diving.
a. True
b. False - CORRECT ANSWER a. True
As I descend, I need to equalize air spaces. Which of the following are accepted way if equalizing my
ears?
a. Block my nose and attempt to gently blow through it
b. Swallow and wiggle the jaw from side to side
c. Block my nose and blow forcefully for an extended period - CORRECT ANSWER a. Block my nose and
attempt to gently blow through it
b. Swallow 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?
a. Slow my descent, signal my buddy to slow down, and equalize more forcefully
b. Stop my descent, signal my buddy, ascend slightly and try again
c. Continue my descent while equalizing repeatedly
d. Signal my buddy, ascend to the surface and start my descent over - CORRECT ANSWER b. Stop my
descent, signal my buddy, ascend slightly and try again
I should equalize
a. Early and often, before I feel discomfort
b. When I begin to feel discomfort
c. Only if I experience pain - CORRECT ANSWER a. Early and often, before I feel discomfort
I should not dive with a cold, nor use medications to dive with a cold
a. True
b. False - CORRECT ANSWER a. True
The most important rule in scuba diving is:
a. Breathe continuously and never hold my breath
b. Always dive with a buddy
,c. Keep my mask on while in the water, even at the surface
d. Check my SPG at least every couple of minutes - CORRECT ANSWER a. Breathe continuously and never
hold my breath
Failure to follow the most important rule in scuba diving can cause serious lung over expansion (lung
rupture) injuries, which in turn can cause paralysis and death
a. True
b. False - CORRECT ANSWER a. True
If I feel discomfort in a body air space while ascending, the correct action is to:
a. Continue my ascent while blowing against blocked nostrils
b. Stop, descend slightly and give trapped air time to work its way out.
c. Descend at least 10metres/33feet, then resume my ascent - CORRECT ANSWER b. Stop, descend
slightly and give trapped air time to work its way out.
My buddy and I are planning a dive to 18metres/60feet. We would expect our air supply to last
________ at 10metres/33feet, all else being the same
a. longer than
b. shorter than
c. the same as - CORRECT ANSWER b. shorter than
During a dive, I swim hard to keep up with the fish that interests me, but shortly I begin to feel like I
can't get enough air. The correct action would be to:
a. Signal my buddy and head up to the surface
b. Use the regulator purge button to boost air flow
c. Stop all activity and rest to restore proper deep, slow breathing - CORRECT ANSWER c. Stop all activity
and rest to restore proper deep, slow breathing
An object that is neutrally buoyant in fresh water will _________ in salt water
a. sink
b. float
, c. be neutrally buoyant - CORRECT ANSWER b. float
The three overall benefits of the buddy system are practicality, safety, and fun
a. True
b. False - CORRECT ANSWER a. True
The primary consideration when choosing any piece of scuba gear are:
a. suitability
b. brand
c. fit
d. comfort - CORRECT ANSWER a. suitability
c. fit
d. 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:
a. Have it inspected and serviced as needed by a professional before using it
b. Go ahead and use it, but limit my dive depth to 10metres/33feet
c. Wash it in fresh water and see if the problem persists - CORRECT ANSWER a. 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
a. True
b. False - CORRECT ANSWER b. False
It is important to master buoyancy control because it allows me to control whether is descend, float or
am neutrally buoyant. I adjust my buoyancy frequently while diving.
a. True
b. False - CORRECT ANSWER a. True
