Medical Gas Class Exam Questions With All Correct Answers Rated A+

Medical Gas Class Exam Questions With All Correct Answers Rated A+ Category 1 medical -surgical vacuum sources shall, at minimum, consist of ______ or more vacuum pumps - Answer- Two Category 1 medical surgical vacuum sources shall consist of an automatic means too prevent _____ through any off -cycle vacuum pump - Answer- Backflow Piping between the vacuum pump and the source shutoff valve shall be permitted to be stainless, galvanized, or black steel pipe - Answer- True Vacuum receiver shall be capable of withstanding a gauge vacuum of ______ of mercury - Answer- 30" The medical surgical vacuum receiver shall be made serviceable without shutting down the system by _______ - Answer- Any method to ensure continuation service When the medical surgical I'm an operation is incapable of adequately maintaining a required vacuum, additional pump shall be _______ activated - Answer- Automatically The medical surgical vacuum exhaust shall be turned down and screened. The screened shall be fabricated using what type of material? - Answer- Any non-corroding material Multiple vacuum pumps shall be permitted to be join together to come one common exhaust provided the common exhaust is size to ______. - Answer- Minimize back pressure Vacuum exhaust from multiple pumps join together to one common exhaust shall be permitted provided each pump can be isolated by a _____. - Answer- Blind flange, manual valve, check valve Category 1 medical-surgical vacuum systems shall activate which alarm when the backup or lag pump is running? - Answer- Local A level 1 dedicated WAGD source shall consist of ______ or more producers, each shall be sufficient to serve the peak calculated demand. - Answer- Two What source shall not be used to power the venturi of a WAGD system? - Answer- Medical air WAGD vacuum producers designed for operation at vacuums below ____ Hg/V shall be used only for WAGD service and not employed for other services. - Answer- 5" A WAGD source system shall activate the ____ alarm when the backup or lag producer is running. - Answer- Local Additional WAGD producers shall be ________ activated when the producer(s) in operation is incapable of maintaining required vacuum. - Answer- Automatically Medical air supply systems shall be required to _____. - Answer- Meet the requirements of medical air USP, have no detectable liquid hydrocarbons, have less than 25 ppm gaseous hydrocarbons Medical air sources shall be used only for _____. - Answer- Human respiratory applications Medical air compressor systems shall have a(n) ______ means to prevent back flow through all off-cycle compressors - Answer- Automatic True - Answer- An existing system that is not in strict compliance with the provisions of this standard shall be permitted to be continued in use as long as the authority having jurisdiction has determined that such use does not constitute a distinct hazard to life True - Answer- Cylinder and cryogenic liquid container outlet connections shall be designed as to render the attachment point unusable when removal of the outlet connection is attempted Medical air sources - Answer- Which of the following systems shall not be permitted to be located in an indoor enclosure Engines, kitchens, and anesthizing locations - Answer- Indoor locations for oxygen, nitrous oxide and mixtures of these gases shall not communicate with ______ locations. 130 degree F - Answer- Cylinders in use and in storage shall be prevented from reaching temperatures in excess of ______. True - Answer- Locations for central supply systems shall have electrical devices protected from physical damage. True - Answer- Ventilation requirements shall not be less than 50 cfm for mechanical ventilation. 72 sq. in. - Answer- Louvered openings for natural ventilation shall have a minimum free area of _____. Balanced - Answer- Final line pressure regulators, when used for bulk cryogenic liquid systems shall be of a _______ design. Stainless steel - Answer- All pressure relief valves shall be made of brass, bronze or _______. True - Answer- When vented to the outside, relief valve vent lines shall be labeled in any manner that will distinguish them from the medical gas pipeline. Filter - Answer- In central supply systems using gas or liquid cylinders, each header shall have a ______ to prevent debris from entering the manifold controls. Two- two - Answer- Manifolds for gas cylinders without reserve shall consist of _____ equal headers; each with an average day's supply, but not fewer than _____ connections. Local-master - Answer- Manifolds for gas cylinders shall actuate a(n) ______ signal and shall activate an indicator at all ______ alarm panels to indicate when or just before changeover from one header to another. 3 - Answer- The reserve header in a cryogenic liquid cylinder system shall have sufficient gas cylinder connections for an average day's supply, but not fewer than ______ connections. Upstream - Answer- The gas produced by evaporation from the secondary header in a cryogenic liquid cylinder system shall enter the supply system _____ of the final line regulator. Three - Answer- A variant on the cryogenic liquid container manifold shall be permitted to have three headers. Such a variant shall have a minimum of _______ connections required for each of the primary and secondary headers. True - Answer- Where vaporizers are required to convert cryogenic liquid to the gaseous state, the vaporizer units shall be permitted to operate by either ambient heat transfer or external thermal source such as an electric heater, hot water or steam Each building served - Answer- When multiple buildings are served from a single cryogenic liquid oxygen source, where is it required to place the emergency oxygen supply connection True - Answer- An in-building emergency reserve system can be subtitled for the EOSC. 50 - Answer- Medical air compressor systems shall have a pressure relief valve set at ______ percent above the line pressure