PADI OPEN WATER EXAMINATION TEST
2026 COMPLETE QUESTIONS AND
VERIFIED SOLUTIONS
⩥ As you descend in water the pressure __________ Answer: increases
⩥ If you take 6 litres of air from the surface to 20 metres/66 feet, the
volume will be __________ litres. Answer: 2
⩥ The density of the air in the previous question would be __________
times the density at the surface. Answer: 3
⩥ A balloon fully inflated and sealed at 10 metres/33 feet, would
probably __________ during ascent to the surface. Answer: burst
⩥ As I descend, increasing pressure affects my Answer: Ears, sinuses,
mask
⩥ A squeeze is caused by Answer: a pressure imbalance between the
surrounding pressure and an air space
⩥ Equalization is the process of Answer: adding air to an air space
,⩥ I should equalize Answer: Before I feel pain or discomfort
⩥ I'm descending and discover I can't equalize. The first thing I would
do is Answer: stop my descent and signal my buddy/the instructor.
⩥ I equalize gently because an extended, forceful equalization can cause
permanent damage to my ears and hearing. T/F Answer: True
⩥ On a day I plan to go diving, I wake up with my sinuses blocked due
to a cold or allergy. I should... Answer: Cancel the dive until I am well.
⩥ When scuba diving, normal breathing keeps your lungs equalized to
the surrounding pressure. T/F Answer: True
⩥ If during ascent you were to hold your breath, blocking your airway,
your lungs would over expand. They would be much like a balloon filled
and sealed at depth, which expanding air would burst during ascent.
Answer: IMPORTANT NOTE
⩥ Expanding air can cause serious lung overexpansion (lung rupture)
injuries. For this reason, the most important rule in scuba diving is to
breathe continuously and never, ever hold your breath. Answer:
IMPORTANT NOTE
, ⩥ This rule is so important, that any time your regulator is not in your
mouth you exhale a slow, steady bubble stream so you aren't holding
your breath. Answer: IMPORTANT NOTE
⩥ The most important rule in scuba diving is Answer: to breathe
continuously and never hold your breath.
⩥ Failure to follow the most important rule in scuba diving can cause
severe lung overexpansion injuries, which can result in paralysis or
death. T/F Answer: True
⩥ During ascent I feel discomfort in my ears. I should... Answer: stop,
descend slightly and allow trapped air to work its way out.
⩥ My body responds to anxiety with increased breathing, but slow
breathing helps reduce anxiety. T/F Answer: True
⩥ My buddy and I descend to 12 metres/40 feet. I would expect to use
my air __________ at 6 metres/20 feet. Answer: faster than
⩥ Buoyancy is a force that pushes an object in water upward. T/F
Answer: True
2026 COMPLETE QUESTIONS AND
VERIFIED SOLUTIONS
⩥ As you descend in water the pressure __________ Answer: increases
⩥ If you take 6 litres of air from the surface to 20 metres/66 feet, the
volume will be __________ litres. Answer: 2
⩥ The density of the air in the previous question would be __________
times the density at the surface. Answer: 3
⩥ A balloon fully inflated and sealed at 10 metres/33 feet, would
probably __________ during ascent to the surface. Answer: burst
⩥ As I descend, increasing pressure affects my Answer: Ears, sinuses,
mask
⩥ A squeeze is caused by Answer: a pressure imbalance between the
surrounding pressure and an air space
⩥ Equalization is the process of Answer: adding air to an air space
,⩥ I should equalize Answer: Before I feel pain or discomfort
⩥ I'm descending and discover I can't equalize. The first thing I would
do is Answer: stop my descent and signal my buddy/the instructor.
⩥ I equalize gently because an extended, forceful equalization can cause
permanent damage to my ears and hearing. T/F Answer: True
⩥ On a day I plan to go diving, I wake up with my sinuses blocked due
to a cold or allergy. I should... Answer: Cancel the dive until I am well.
⩥ When scuba diving, normal breathing keeps your lungs equalized to
the surrounding pressure. T/F Answer: True
⩥ If during ascent you were to hold your breath, blocking your airway,
your lungs would over expand. They would be much like a balloon filled
and sealed at depth, which expanding air would burst during ascent.
Answer: IMPORTANT NOTE
⩥ Expanding air can cause serious lung overexpansion (lung rupture)
injuries. For this reason, the most important rule in scuba diving is to
breathe continuously and never, ever hold your breath. Answer:
IMPORTANT NOTE
, ⩥ This rule is so important, that any time your regulator is not in your
mouth you exhale a slow, steady bubble stream so you aren't holding
your breath. Answer: IMPORTANT NOTE
⩥ The most important rule in scuba diving is Answer: to breathe
continuously and never hold your breath.
⩥ Failure to follow the most important rule in scuba diving can cause
severe lung overexpansion injuries, which can result in paralysis or
death. T/F Answer: True
⩥ During ascent I feel discomfort in my ears. I should... Answer: stop,
descend slightly and allow trapped air to work its way out.
⩥ My body responds to anxiety with increased breathing, but slow
breathing helps reduce anxiety. T/F Answer: True
⩥ My buddy and I descend to 12 metres/40 feet. I would expect to use
my air __________ at 6 metres/20 feet. Answer: faster than
⩥ Buoyancy is a force that pushes an object in water upward. T/F
Answer: True
