Padi Open Water exam 2023 with 100% correct answers

What is the most important rule of scuba diving? correct answersDo not hold your breath Breathe continuously What are the consequences of breaking the most important rule in scuba diving? correct answersLung over expansion severe injuries, death What is a reverse block? correct answerspain and discomfort caused by expanding air trapped inside an air space during ascent What should you do if you feel discomfort during ascent due to air expansion in the ears, sinuses, stomach, intestines, or teeth? correct answersslow or stop ascent descend a metre/few feet and give the trapped air time to work its way out How does increasing depth affect how long your air supply lasts? correct answersthe deeper you descend, the denser the air becomes. It takes 4X the effort to breathe twice as fast What's the most efficient way to breathe dense air underwater? correct answerstake deep, slow breaths Why does a diver need a mask? correct answerscreates an air space, so your eyes can focus As you go deeper, you consume air from your scuba cylinder _____ correct answersfaster Why does the mask need to enclose your nose? correct answersto equalize during your descent to prevent mask squeeze