Medical Gas Exam Questions And Accurate Answers 2026/27

design, construction, testing, marketing, labeling, filing, storage, handling, maintenance, and transportation of compressed gas cylinders. - Correct Answer Dept of Transportation (DOT) Titanium container, Carbon fiber container, Plastic container - Correct Answer Variety of Materials used as Containers Body, Valve, Port, Stem, Conical Depression, Pressure relief Valve, Pin Index Safety System (tanks A-E) - Correct Answer Parts of Medical Gas Containers Steel, aluminum alloy, flat on bottom, tapered neck at top, 3/8 inch thick - Correct Answer body bronze, brass, attached to neck of tank - Correct Answer valve point of exit for gas - Correct Answer port moves up(opens) or down(closes) - Correct Answer stem fits the retaining screw of the yoke. - Correct Answer Conical depression vents the cylinder under high pressure. - Correct Answer Pressure relief valve Gas specific Prevents gas mix ups Two holes on cylinder valve Fit two pins on yoke - Correct Answer Pin Index Safety System 2,5 - Correct Answer oxygen pin positions 3,5 - Correct Answer nitrous oxide pin positions 1,5 - Correct Answer air pin positions 2,6 - Correct Answer carbon dioxide pin positions E- tank - Correct Answer Most common container size, fits anesthesia machine. 14 lbs - Correct Answer E- tank weight 1900 psig = 660 liters - Correct Answer Oxygen O2 E-tank contents and pressure 745 psig = 1590 liters - Correct Answer Nitrous Oxide (N2O) E-tank contents and pressure 1900 psig = 625 liters - Correct Answer Air tank contents and pressure combustion - Correct Answer N2O is non-flammable but supports ___ liquid in cylinder at room temp - Correct Answer N2O is stored as ___ temperature above which no amount of pressure can liquefy a gas - Correct Answer Critical temperature 36.5 C - Correct Answer Critical temperature for N2O 4 L/min - Correct Answer Frost line forms when ___ of N2O removed tank weight - Correct Answer Amount of N2O in E-tank determined by measuring _______ not gauge pressure 0.55 liters of N2O at 20 Cº - Correct Answer 1 gram N2O = 250 liters or less - Correct Answer For N20 e-tank, a pressure below 745 psig is equal to ___ permanently stamped on cylinder - Correct Answer markings type of material in cylinder - Correct Answer DOT # tells what max pressure the cylinder may be filled. - Correct Answer Service pressure in psig serial number - Correct Answer Manufacturer and _______ also stamped on cylinder cylinder can be charged up to 10% in excess of service pressure. - Correct Answer plus sign indicates testing can be every 10 years - Correct Answer star Label required on all cylinders - Correct Answer Best way to identify gas in cylinder Triangle - Correct Answer indicates hazard class of gas Oxidizer gas -enhances combustion - Correct Answer yellow triangle Flammable gas - Correct Answer red triangle Non-flammable gas - Correct Answer green triangle 5 years (unless star stamp then every 10 years) - Correct Answer Containers are tested at least every how many years Test date (month/year) - Correct Answer required to be permanently stamped on cylinder max pressure may be filled - Correct Answer service pressure 1.6 x service pressure - Correct Answer containers are tested to what minimum White - Correct Answer International cylinder color for O2 Green - Correct Answer US cylinder color for oxygen gray - Correct Answer cylinder color for CO2 blue - Correct Answer cylinder color for N2O yellow - Correct Answer cylinder color for air black - Correct Answer cylinder color for helium Designated tank storage area Cool, clean, dry area, free from moisture Not nrear flame, spark, heat sources Out of direct sunlight - Correct Answer where to store cylinders Lay on side (No free standing cylinders, they fall easily) - Correct Answer Storing cylinders upright in racks is preferred. How to store if no racks available No grease, oils, rubber lube, etc Keep connections tight Keep valve closed to prevent leak No free stand, secure upright, or rack/basket (or lay on side) Don't identify by cylinder color...check label! Don't polish, clean with solvents - Correct Answer Cylinder safety closed position - Correct Answer Keep valve in _________ to prevent leak label - Correct Answer Don't identify gas by cylinder color check ______ 50-55 - Correct Answer Pressures are ___ psig from terminal Quick Couplers (quick connectors) - Correct Answer Wall terminal units use _______ Diameter Index Safety System (DISS) (DiSS is on the machine) - Correct Answer Pipeline hoses attach to anesthesia machine using _____