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if silicone lubricants, used to service first and second stages, are exposed to high concentrations of oxygen under pressure, this can cause: correct answersfire and explosion We need to concern ourselves with all pieces of our equipment which comes in contact with: correct answersnitrox Nitrox can cause much faster oxidation on some equipment items because of its higher content of: correct answersoxygen the fraction of oxygen (FO2) value on the cylinder contents tag accurately reflects...

Assuming a maximum partial pressure limitation of 1.4 bar, the maximum depth for a 32% nitrox mixture is ____ of seawater. 33.7 m 20 m 66 m 43.7 m correct answers33.7 m Which physical law states: "If temperature remains constant, the pressure and volume of any gas are inversely related"? Dalton Henry Archimedes Boyle Save correct answersBoyle For every meter of depth in freshwater, pressure changes by: 0.013 bar 0.098 bar 0.100 bar 1.03 bar correct answers0.098 bar di...

Remaining within the recommended limiting ppO2 of 1.4 bar helps nitrox divers to avoid: A) Helium Narcosis B) Oxygen Toxicity C) Decompression Illness D) Nitrogen Narcosis correct answersOxygen Toxicity A common misconception is, that compared to air, Nitrox enables Divers to dive: A) More shallow B) Longer C) Deeper D) Shorter correct answersDeeper Diving Nitrox has which potential to provide? A) longer no-decompression limits, longer repetitive dives B) shorter decompress...

What nitrox mixture can be used at any depth shallower than 99 feet? correct answersEAN32 Compared to air, nitrox has a higher concentration of: correct answersOxygen Nitrox and the acronym EANx refer to mixtures with oxygen concentrations (FO2) higher than: correct answers21 You can improve your safety while diving with nitrox by: correct answersUsing the same depth and time limitations as an air table or air computer The major benefit of diving with nitrox is that it has a lower co...

When oxygen becomes toxic to body tissues, it most noticeably and immediately affects the: Bones and blood Lungs and central nervous system Central nervous system and feet Lungs and circulation system correct answersLungs and central nervous system How is the ppO2 of a breathing gas calculated? Multiply cylinder pressure by the fraction of nitrogen (FN2) in the cylinder Multiplying ambient pressure by the fraction of oxygen (FO2) in the breathing gas Dividing ambient pressure by th...

Nitrox and the acronym EANx refer to mixtures with oxygen concentrations (f0_2) higher than: correct answers21 To make sure your personal equipment is suitable for nitrox, you have to: correct answersAsk your SSI Dive Center/Dive Professional if you equipment needs special preparation/modification Compared to air, nitrox has a higher concentration of: correct answersOxygen Is it true, that nitrox is designed for ultra-deep diving? correct answersNo, nitrox has more restrictive depth lim...

Which kind of warnings should you observe and adhere to while diving with a dive computer ? correct answersAscent rates Decompression limits Oxygen / Nitrogen exposure all answers are correct If you experience a computer failure underwater , you should : correct answersDo not enter the water again for at least 24 hours and watch for signs of decompression sickness Signal your buddy , and ascend with them while they monitor your ascent on their computer As an added precaution , perfo...

MAR correct answersmedication administration record Medication orders: correct answersPatient's full name Drug Dosage Route Frequency and timing Indication for use (PRN orders only) Expiration date Prescriber's signature Six rights correct answersright medication right dose right patient right route right time right documentation Right medication steps: correct answersCompare drug label with MAR three times 1. before removing drug from storage 2. before placing medi...

A nurse is reviewing key events in the history of pharmacology with a student nurse. Which student comment indicates an understanding? A. "A primary goal of pharmacology is to prevent disease." B. "Penicillin is one of the initial drugs isolated from a natural source." C. "Early researchers used themselves as test subjects." D. "Pharmacologists began synthesizing drugs in the laboratory in the nineteenth century." correct answersC. "Early researchers used them...

Discuss the legal aspects of drug administration correct answersFederal drug legislation regulates the production, prescription, distribution, and administration of drugs. Health Care Institutions implement policies to adhere to Federal and State regulation and within their facility. Nursing practice acts define limits on the nurse's responsibilities regarding medications. Describe various routes of medication administration correct answersSee the following oral correct answersswallo...