Decompression sickness - Study guides, Class notes & Summaries

Contraindications for HBO - Pneumothorax Hx thoracic surgery, Pulmonary lesions Stapes implants URTI, sinusitis, fever COPD with CO2 retention Bleomycin, Doxorubicin (CANCER DRUGS) Pregnancy Confinement anxiety Diabetes mellitus Epilepsy Exposure ≤ 90 min, ≤ 2 ATA: intermittent air breaks needed Even though serious adverse effects are rare, list two of them. - Oxygen toxicity • alveoli - thickened & stiff if exposure >3hr - Aspirin, insulin, adrenaline, nor adrenaline, cor...

SDI: open water SDI: open water-exam questions with correct answers CH 2 : What is the most important rule in scuba diving? - ANSWER-never hold your breath CH 4 : Describe from start to finish the steps to disassembling your scuba system - ANSWER-- remove accessories and weights - decompress the system : turn the valve knob completely clockwise, decompress the second gauges (purge button or auto inflator button to vent air remaining in the hoses) - detach the LP hose from the inflator as...

SURGE - ANSWER _____ is the underwater movement of water caused by wave action that you will experience when diving in areas close to shore. TRANSITORY - ANSWER currents which suddenly appear and disappear are _____ DECOMPRESSION - ANSWER if your dive buddy complains to you about having aching pain in his or her shoulder one hour after the dive, you might suspect _____ sickness

Which of the following factors would I consider when determining my personal deep-diving depth limit?(Choose all that apply.) correct answers -Environmental conditions -My physical/psychological fitness -The effect of previous dives on my no stop (no decompression) limit -Distance from emergency care -My buddy's personal limits It's summer and I've been diving in the local area for several days, reaching a maximum depth of 12 metres/40 feet. Today, my buddy and I plan to dive to ...

What should you do if you experience discomfort in your ears while descending? - ️️Stop descent, ascend a few feet. Equalize, then descend again. What will be the volume in a ball that is filled with two cubic feet of air at 99 feet when it's taken to the surface? - ️️8 cubic feet How many more times dense is the air in a balloon at 4 atm compared to the air density at the surface? - ️️4 X as dense What is the abbreviation for an atmosphere? - ️️atm If a scuba cylindar la...

SDI: open water CH 2 : What is the most important rule in scuba diving? - ANSWER-never hold your breath CH 4 : Describe from start to finish the steps to disassembling your scuba system - ANSWER-- remove accessories and weights - decompress the system : turn the valve knob completely clockwise, decompress the second gauges (purge button or auto inflator button to vent air remaining in the hoses) - detach the LP hose from the inflator assembly by pulling the collar back on the quick disco...

CH 2 : What is the most important rule in scuba diving? never hold your breath CH 4 : Describe from start to finish the steps to disassembling your scuba system - remove accessories and weights - decompress the system : turn the valve knob completely clockwise, decompress the second gauges (purge button or auto inflator button to vent air remaining in the hoses) - detach the LP hose from the inflator assembly by pulling the collar back on the quick disconnect , unscrew the yoke knob until the f...

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ENO/ENA Exam Questions & Answers 2024/2025 What is the most serious and dangerous diving emergency? A. Arterial gas embolism B. Decompression sickness C. Nitrogen narcosis D. The squeeze - ANSWERSA. Arterial gas embolism What is the cause of heat exhaustion? A. Exposure to high ambient temperatures B. Prolonged heat exposure, usually over hours or days C. The consumption of too much water on a hot day D. Exposure to rapid changes in temperature - ANSWERSB. Prolonged heat exposure...

PADI Physiology Exam Guide |Question and Answer| 100% Correct How do you avoid dead air space problems? *Ans* Breathe slowly and deeply. How do skin divers prepare for a breath hold dive? *Ans* They use deep-stomach breathing What is the name of the lung overexpansion injury that occurs when a lung collapses? a) pneumothorax b) subcutaneous emphysema c) air embolism d) convulsion *Ans* a) pneumothorax If a diver complains of DCI symptoms immediately on reaching the surface, what is the...