Open
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Water
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Exam
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Study Guide Questions With Correct Answers
/ // // // // //
What /
/is /
/the /
/most //important //rule //of //scuba //diving? //- //correct //answer(s) //✔✔ //Do //not //hold //your //breath
Breathe //continuously
What /
/are /
/the /
/consequences /
/of /
/breaking /
/the //most //important //rule //in //scuba //diving? //- //correct //answer(s) //✔✔ //Lung //over //expansion
severe //injuries, //death
What /
/is //
a/
/reverse /
/block? //- /
/correct /
/answer(s) /
,/✔✔ /
/pain //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 //answer(s) //✔✔ //slow //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 //answer(s) //✔✔ //the //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 //answer(s) //✔✔ //take //deep, //slow //breaths
Why /
/does //
a/
/diver /
/need //a //mask? //- //correct //answer(s) //✔✔ //creates //an //air //space, //so //your //eyes //can //focus
As /
/you /
/go /
/deeper, //you //consume //air //from //your //scuba //cylinder //_____ //- //correct //answer(s) //✔✔ //faster
Why /
/does /
/the /
/mask /
/need //to //enclose //your //nose? //- //correct //answer(s) //✔✔ //to //equalize //during //your //descent //to
//prevent //mask //squeeze
What //
6 //features //should //you //look //for //in //a //mask? //- //correct //answer(s) //✔✔ //1) //tempered //glass
2) //comfortable //skirt //with //a //good //seal
3) //nose //or //finger //pockets
4) //low //profile
5) //Adjustable //strap //that //can //be //locked //in //place
6) //wide //field //of //vision