CDCA Nitrous Oxide, Questions and answers, Graded A+. 2022 update

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CDCA Nitrous Oxide, Questions and answers, Graded A+. 2022 update Is nitrous oxide a drug? - ✔✔Yes 2 main purposes of nitrous oxide - ✔✔Ease pain Minimize anxiety How long has nitrous oxide been around? - ✔✔1700 's Who was a strong advocate for nitrous oxide in the mid 1800s? "Father of Anesthesia" - ✔✔Dr. Horace Wells What did dr. Wells routinely use nitrous oxide for? - ✔✔Extractions What provided a Segue of other agents in general anesthesia? - ✔✔Nitrous oxide How is conscious sedation used in healthcare? - ✔✔Same-day procedures and out-patient clinics/facilities offer options to patients that are less expensive and less time intrusive Indications for the use of nitrous oxide sedation - ✔✔1. reduce pain 2. alleviate fear and anxiety 3. analgesia and/or pain modulation 4. anxiolytic 5. suppression of hyperactive oral gag reflex Contraindications for the use of nitrous oxide - ✔✔1. pregnancy 2. history of or current drug/substance abuse 3. inability to communicate 4. problematic situations due to gas expansion 5. bleomycin sulfate therapy 6. COPD 7. psychosis and other mental illness 8. upper respiratory condition/sinus infection Gas properties of nitrous oxide - ✔✔Tightly bound molecule of nitrogen and oxygen that does not separate in the body Flammable or non flammable? - ✔✔Non flammable by Nature Stored as a______ in cylinders and pressurized at ______ PSI - ✔✔Liquid 750 What color are nitrous oxide cylinders? - ✔✔Blue What color are oxygen cylinders? - ✔✔Green Are large or minimal amounts of nitrous oxide dissolved in the blood? - ✔✔Minimal amounts Does nitrous oxide cross the blood-brain barrier? - ✔✔Yes, easily Oxygen - ✔✔Combustible , therefore should not come in contact with a hydrocarbon Source such as a grease or lubricant Oxygen is compressed as a gas into cylinders at ______ PSI - ✔✔2000 Is nitrous oxide metabolized in the liver? - ✔✔No Nitrous oxide diffuses quickly out of the blood and back into the lungs to exit the same way it entered. - ✔✔True How long should you oxinate a patient postoperatively? - ✔✔3 - 5 minutes of 100% oxygen Tidal volume - ✔✔The volume of gas inspired into an individual's long Why is tidal volume important? - ✔✔Because it determines the amount of flow necessary to maintain the patient Comfort during respiration through the nasal hood and Achieve sedation Inadequate flow to the patient - ✔✔A feeling of suffocation Too much flow to the patient - ✔✔Likely to leak out of the hood and blow across the patient's face and be wasted Minute volume - ✔✔The product of tidal volume X the respiratory frequency The lung capacity of an average adult - ✔✔500 mL If 500 mL is multiplied by an average minute respiratory rate of 12 - 16, the result is approximately 6 - 7 L/min. What is an average minute volume for a child? - ✔✔3 - 5 L/min Armamentarium stations can be (2) - ✔✔Centralized Portable systems Units are designed to insure a minimal delivery of nitrous. What is the percentage? - ✔✔True

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