Page |1
PADI, Open Water Diver, Final Exam
Review / Updated All 56 Questions &
Expert Verified Answers & Complete
Rationale|Latest 2025/2026 Release|Sure
to Pass| Graded A+
1. Underwater, when I inhale, my buoyancy [blank] - ANSWER increases
slightly
2. It is important to master buoyancy control because it affects almost
everything I do in and underwater. True or false? - ANSWER True
3. As you descend in water the pressure increases, decreases or doesn't change?
- ANSWER increases
4. A depth change of 10 meters/33 feet causes a pressure change of 1, 2, 3, or 4
bar/ata? - ANSWER 1 bar/ata
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5. If you take 6 litres of air from the surface to 20 metres/66 feet, the volume
will be [blank] litres. 1,2,3,4 - ANSWER 2
6. The density of 6 liters of air at 20 metres/66 feet would be [blank] the
density at the surface - ANSWER 3 times
7. A balloon fully inflated and sealed at 10 metres/33 feet, would probably
[blank] during ascent to the surface. - ANSWER burst
8. As I descend, increasing pressure affects my - choose all that apply - mask,
ears, sinuses, skin - ANSWER mask, ears, sinuses
9. A squeeze is caused by - ANSWER a pressure imbalance between the
surrounding pressure and an air space
10.Equalization is the process of - ANSWER adding air to an air space
11.When should I equalize? - ANSWER before I feel pain or discomfort
12.I'm descending and discover I can't equalize. The first thing I would do is -
ANSWER stop my descent and signal my buddy
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13.Why do I equalize gently - ANSWER so I don't cause permanent damage to
my ears and hearing
14.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
15.When scuba diving, normal breathing keeps your lungs equalized to the
surrounding pressure - ANSWER True
16.The most important rule in scuba diving is to - ANSWER breathe
continuously and never hold your breath
17.Failure to follow the most important rule in scuba diving can cause severe
lung over-expansion injuries, which can result in paralysis or death -
ANSWER True
18.During ascent I feel discomfort in my ears. I should - ANSWER stop,
descend slightly and allow trapped air to work its way out
19.My buddy and I descend to 12 metres/40 feet. I would expect to use my air
[blank] at 6 metres/20 feet. slower than, faster than, at the same rate as... -
ANSWER faster than
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20.The most efficient way to breathe dense air underwater is to breathe -
ANSWER deeply and slowly
21.My body responds to anxiety with increased breathing, but slow breathing
helps reduce anxiety. True or false? - ANSWER True
22.Which of the following are among the breathing rules I follow as a diver?
Choose all that apply: Breathe continuously and never, ever hold my breath.
Breathe slowly and continuously, do not allow myself to get winded or out
of breath. If faced with a problem, stop, then maintain or restore slow, deep
breathing. - ANSWER All of them
23.In recreational diving, buddy system means diving with another diver or
divers in a team that provides assistance and safety benefits, true or false? -
ANSWER True
24.Overall benefits of the buddy system include - choose all that apply -
practicality, safety, fun - ANSWER All of them
25.The three most important considerations in choosing scuba equipment are
[blank, blank, and blank] - ANSWER suitability, fit and comfort
PADI, Open Water Diver, Final Exam
Review / Updated All 56 Questions &
Expert Verified Answers & Complete
Rationale|Latest 2025/2026 Release|Sure
to Pass| Graded A+
1. Underwater, when I inhale, my buoyancy [blank] - ANSWER increases
slightly
2. It is important to master buoyancy control because it affects almost
everything I do in and underwater. True or false? - ANSWER True
3. As you descend in water the pressure increases, decreases or doesn't change?
- ANSWER increases
4. A depth change of 10 meters/33 feet causes a pressure change of 1, 2, 3, or 4
bar/ata? - ANSWER 1 bar/ata
, Page |2
5. If you take 6 litres of air from the surface to 20 metres/66 feet, the volume
will be [blank] litres. 1,2,3,4 - ANSWER 2
6. The density of 6 liters of air at 20 metres/66 feet would be [blank] the
density at the surface - ANSWER 3 times
7. A balloon fully inflated and sealed at 10 metres/33 feet, would probably
[blank] during ascent to the surface. - ANSWER burst
8. As I descend, increasing pressure affects my - choose all that apply - mask,
ears, sinuses, skin - ANSWER mask, ears, sinuses
9. A squeeze is caused by - ANSWER a pressure imbalance between the
surrounding pressure and an air space
10.Equalization is the process of - ANSWER adding air to an air space
11.When should I equalize? - ANSWER before I feel pain or discomfort
12.I'm descending and discover I can't equalize. The first thing I would do is -
ANSWER stop my descent and signal my buddy
, Page |3
13.Why do I equalize gently - ANSWER so I don't cause permanent damage to
my ears and hearing
14.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
15.When scuba diving, normal breathing keeps your lungs equalized to the
surrounding pressure - ANSWER True
16.The most important rule in scuba diving is to - ANSWER breathe
continuously and never hold your breath
17.Failure to follow the most important rule in scuba diving can cause severe
lung over-expansion injuries, which can result in paralysis or death -
ANSWER True
18.During ascent I feel discomfort in my ears. I should - ANSWER stop,
descend slightly and allow trapped air to work its way out
19.My buddy and I descend to 12 metres/40 feet. I would expect to use my air
[blank] at 6 metres/20 feet. slower than, faster than, at the same rate as... -
ANSWER faster than
, Page |4
20.The most efficient way to breathe dense air underwater is to breathe -
ANSWER deeply and slowly
21.My body responds to anxiety with increased breathing, but slow breathing
helps reduce anxiety. True or false? - ANSWER True
22.Which of the following are among the breathing rules I follow as a diver?
Choose all that apply: Breathe continuously and never, ever hold my breath.
Breathe slowly and continuously, do not allow myself to get winded or out
of breath. If faced with a problem, stop, then maintain or restore slow, deep
breathing. - ANSWER All of them
23.In recreational diving, buddy system means diving with another diver or
divers in a team that provides assistance and safety benefits, true or false? -
ANSWER True
24.Overall benefits of the buddy system include - choose all that apply -
practicality, safety, fun - ANSWER All of them
25.The three most important considerations in choosing scuba equipment are
[blank, blank, and blank] - ANSWER suitability, fit and comfort
