PADI Open Water 2023 Exam Questions with All Correct Answers
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Course
PADI Open Water
Institution
PADI Open Water
PADI Open Water 2023 Exam Questions with All Correct Answers
What is the most important rule of scuba diving? - ANSWER Do not hold your breath
Breathe continuously
What are the consequences of breaking the most important rule in scuba diving? - ANSWER Lung over expansion
sever...
PADI Open Water Exam Ques tions with All Correct Answers SCUBA - ANSWER Self contained underwater breathing apparatus What is the pressure change for each 10m/33ft of depth change? - ANSWER 1 bar/1 ata/1 atmosphere What is the relationship between my depth in water and the pressure? - ANSWER The deeper you go in water, the more the pressure increases Pressu re is expressed as the weight of air What is the relationship between pressure, and the volume and the density of air? - ANSWER As pressure increases, the gas volume decreases and the gas density increases If I take a volume of air from one depth to another depth, how much will the volume and density change? - ANSWER Volume will be 1/ata# Density will be ata# What 3 major body air spaces does increasing pressure affect as I descend? - ANSWER Ears, sinuses, mask What is a "squeeze"? - ANSWER The discomfort caused by pressure imbalance pulling tissue into the air space What is "equalization"? - ANSWER The addition of air to your air spaces as you descend How do I equalize as I descend? - ANSWER For ears and sinus es, pinch your nose and blow gently, or wiggle your jaw and swallow For mask, blow into it with nose How often should I equalize? - ANSWER Every meter/few feet, BEFORE you feel discomfort What should I do if I can't equalize? - ANSWER Stop your descent, signal problem and point to your ear, ascend a bit, and try again What can happen if I don't or can't equalize gently and keep descending? - ANSWER Fluid can rupture the eardrum Bruising around the face can occur Why does a congestion from a cold or allergy temporarily keep me from diving? - ANSWER Congestion might block normal air flow, making equalization difficult or impossible Why should I never dive with earplugs? - ANSWER They create air spaces that you can't equalize What other body air spaces are affected by increasing pressure? How do I equalize them? - ANSWER In filled teeth - go to a dentist In a dry suit - learn from an instructor Lungs - breathe normally and continuously What is the most important rule in scuba diving? - ANSWER Breathe continuously and never hold your breath What can happen if I don't follow the most important rule in scuba diving? - ANSWER Your lungs will over ex pand and rupture What is a "reverse block"? - ANSWER When expanding air becomes trapped in your body air spaces as you ascend What should I do if I feel discomfort in my ears, sinuses, stomach, intestines, or teeth while ascending? - ANSWER Stop your ascent and descend a meter/few feet to reduce discomfort and give trapped air time to work its way out How does depth affect how long my air supply lasts? - ANSWER The deeper you are, the more dense air you breathe, and the faster you us e the air in your cylinder. Compared to the surface, air supply lasts 1/#ata as long along with other factors What's the most efficient way to breathe dense air underwater? - ANSWER Take slow, deep breaths
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