PADI Knowledge Reviews |Verified Guide| 100% Correct

PADI Knowledge Reviews |Verified Guide| 100% Correct As I descend, I need to equalize air spaces. Which of the following are accepted way if equalizing my ears? a. Block my nose and attempt to gently blow through it b. Swallow and wiggle the jaw from side to side c. Block my nose and blow forcefully for an extended period *Ans* a. Block my nose and attempt to gently blow through it b. Swallow and wiggle the jaw from side to side During a descent, I try to equalize but discover I;m having trouble doing so. Which of the following is correct? a. Slow my descent, signal my buddy to slow down, and equalize more forcefully b. Stop my descent, signal my buddy, ascend slightly and try again c. Continue my descent while equalizing repeatedly d. Signal my buddy, ascend to the surface and start my descent over *Ans* b. Stop my descent, signal my buddy, ascend slightly and try again I should equalize a. Early and often, before I feel discomfort b. When I begin to feel discomfort c. Only if I experience pain *Ans* a. Early and often, before I feel discomfort I should not dive with a cold, nor use medications to dive with a cold a. True b. False *Ans* a. True The most important rule in scuba diving is: a. Breathe continuously and never hold my breath b. Always dive with a buddy c. Keep my mask on while in the water, even at the surface d. Check my SPG at least every couple of minutes *Ans* a. Breathe continuously and never hold my breath Failure to follow the most important rule in scuba diving can cause serious lung over expansion (lung rupture) injuries, which in turn can cause paralysis and death a. True b. False *Ans* a. True If I feel discomfort in a body air space while ascending, the correct action is to: a. Continue my ascent while blowing against blocked nostrils b. Stop, descend slightly and give trapped air time to work its way out. c. Descend at least 10metres/33feet, then resume my ascent *Ans* b. Stop, descend slightly and give trapped air time to work its way out. My buddy and I are planning a dive to 18metres/60feet. We would expect our air supply to last ________ at 10metres/33feet, all else being the same a. longer than b. shorter than c. the same as *Ans* b. shorter than During a dive, I swim hard to keep up with the fish that interests me, but shortly I begin to feel like I can't get enough air. The correct action would be to: a. Signal my buddy and head up to the surface b. Use the regulator purge button to boost air flow c. Stop all activity and rest to restore proper deep, slow breathing *Ans* c. Stop all activity and rest to restore proper deep, slow breathing An object that is neutrally buoyant in fresh water will _________ in salt water a. sink b. float c. be neutrally buoyant *Ans* b. float The three overall benefits of the buddy system are practicality, safety, and fun a. True b. False *Ans* a. True The primary consideration when choosing any piece of scuba gear are