Med Gas Study Guide Questions And
Answers Updated 2027
oxygen cylinders in use and in storage shall be prevented from reaching
temperatures in excess of how many degrees Fahrenheit? - ANSWER -125^o
degrees
non-mandated fundamentals and recommended guidelines for medical gas and
vacuum systems shall be located in the ________________ of the NFPA 99 code
of ASSE 6000 standards. - ANSWER -annexes or appendices
the level of sedation allowed for use in a category 2 dental health facility is limited
to which of the following? - ANSWER -moderate and minimal sedation
what is the standard gauge pressure (psi) for nitrogen gas service? - ANSWER -
55-185
in a category 1 health care facility, what is the maximum length (feet) allowed for
a nonmetalic flexible connector to connect to the manifold in a medical gas piping
system? - ANSWER -they shall be no longer than necessary
in compliance with NFPA 70, new wiring is installed underground form (from?)
the source to the junction box entering the building. what is the minimum number
of sets of wires to connect the initiating device with the junction box? - ANSWER
-1
which of the following fittings is NOT permitted for joining vacuum distribution
pipeline systems? - ANSWER -non-removable push-fit
medical air sources shall be sued (used ?) only for ________ and human
respiration - ANSWER -calibration of medical respiratory devices
,in central supply systems using gas cylinders, each header shall have a
__________ valve to prevent backflow and to permit service to the header. -
ANSWER -check
WAGD networks shall provide a WAGD inlet in all locations where __________
is intended to be administered. - ANSWER -nitrous oxide
which is a permitted use of the medical-surgical vacuum system? - ANSWER -
waste anesthetic gas disposal
which of the following is an instrument air quality requirement? - ANSWER -it
shall be compliant with Instrument Air section ANSI/ISA S-7 0.01
Riser valves are those valves located where? - ANSWER -in the riser adjacent to
the main line
all positive-pressure supply systems shall be provided with means to control the
final line pressure at the source and include _________. - ANSWER -all of the
above: controls that are able to provide 100 percent capacity & protection against
overpressure & the ability to service or replace components while maintaining
normal operation
during a patient emergency, when NFPA 99 code may be superseded by
__________ actions shall be reviewed and documented for future events. -
ANSWER -a medical professional
when an installer installs products or devices not designated by code, items shall
have supporting technical documentation approved by which of the following? -
ANSWER -AHJ
Prior to the installation of a manufactured assembly, documentation shall be
provided for all EXCEPT which of the following tests? - ANSWER -cross
connection
, installers shall have documentation indicating which of the following piping
materials have been certified for use in a medical gas distribution system? -
ANSWER -ASTM B819 hard drawn copper tube
maintenance of which of the following on site, supporting documentation is
required of a medical gas installer? - ANSWER -brazing qualification and
procedure
a medical air portioning system shall have a minimum of how many recorders in
order to record system performance and air quality for a period of no less than 24
hours? - ANSWER -1
a wireless communication device is employed in a medical gas or vacuum warning
system. which type of supervision is required for this device? - ANSWER -the
device will be supervised such that failure of communication shall initiate an alarm
the removal of components with a source system for repair and re-installation or
for replacement shall be treated as new work for the purposes of testing whenever
such work involves which of the following? - ANSWER -cutting and/or brazing
new piping
category 2 Dental Gas and Vacuum Systems require documentation for the
installation which of the following? - ANSWER -oxygen and nitrous oxide
category 1 facility, which of the following item(s) is correct regarding the standing
vacuum test for vacuum piping? - ANSWER -during the test the source of the test
vacuum shall be disconnected from the piping system
the final connection between new piping and an existing system may be tested
with the system gas and must be checked with a leak detectant that does NOT
contain which of these agents? - ANSWER -Ammonia
a valve installed in each medical gas and vacuum piping system shall be tested to
verify which of the following? - ANSWER -proper operation and rooms or areas
of control
Answers Updated 2027
oxygen cylinders in use and in storage shall be prevented from reaching
temperatures in excess of how many degrees Fahrenheit? - ANSWER -125^o
degrees
non-mandated fundamentals and recommended guidelines for medical gas and
vacuum systems shall be located in the ________________ of the NFPA 99 code
of ASSE 6000 standards. - ANSWER -annexes or appendices
the level of sedation allowed for use in a category 2 dental health facility is limited
to which of the following? - ANSWER -moderate and minimal sedation
what is the standard gauge pressure (psi) for nitrogen gas service? - ANSWER -
55-185
in a category 1 health care facility, what is the maximum length (feet) allowed for
a nonmetalic flexible connector to connect to the manifold in a medical gas piping
system? - ANSWER -they shall be no longer than necessary
in compliance with NFPA 70, new wiring is installed underground form (from?)
the source to the junction box entering the building. what is the minimum number
of sets of wires to connect the initiating device with the junction box? - ANSWER
-1
which of the following fittings is NOT permitted for joining vacuum distribution
pipeline systems? - ANSWER -non-removable push-fit
medical air sources shall be sued (used ?) only for ________ and human
respiration - ANSWER -calibration of medical respiratory devices
,in central supply systems using gas cylinders, each header shall have a
__________ valve to prevent backflow and to permit service to the header. -
ANSWER -check
WAGD networks shall provide a WAGD inlet in all locations where __________
is intended to be administered. - ANSWER -nitrous oxide
which is a permitted use of the medical-surgical vacuum system? - ANSWER -
waste anesthetic gas disposal
which of the following is an instrument air quality requirement? - ANSWER -it
shall be compliant with Instrument Air section ANSI/ISA S-7 0.01
Riser valves are those valves located where? - ANSWER -in the riser adjacent to
the main line
all positive-pressure supply systems shall be provided with means to control the
final line pressure at the source and include _________. - ANSWER -all of the
above: controls that are able to provide 100 percent capacity & protection against
overpressure & the ability to service or replace components while maintaining
normal operation
during a patient emergency, when NFPA 99 code may be superseded by
__________ actions shall be reviewed and documented for future events. -
ANSWER -a medical professional
when an installer installs products or devices not designated by code, items shall
have supporting technical documentation approved by which of the following? -
ANSWER -AHJ
Prior to the installation of a manufactured assembly, documentation shall be
provided for all EXCEPT which of the following tests? - ANSWER -cross
connection
, installers shall have documentation indicating which of the following piping
materials have been certified for use in a medical gas distribution system? -
ANSWER -ASTM B819 hard drawn copper tube
maintenance of which of the following on site, supporting documentation is
required of a medical gas installer? - ANSWER -brazing qualification and
procedure
a medical air portioning system shall have a minimum of how many recorders in
order to record system performance and air quality for a period of no less than 24
hours? - ANSWER -1
a wireless communication device is employed in a medical gas or vacuum warning
system. which type of supervision is required for this device? - ANSWER -the
device will be supervised such that failure of communication shall initiate an alarm
the removal of components with a source system for repair and re-installation or
for replacement shall be treated as new work for the purposes of testing whenever
such work involves which of the following? - ANSWER -cutting and/or brazing
new piping
category 2 Dental Gas and Vacuum Systems require documentation for the
installation which of the following? - ANSWER -oxygen and nitrous oxide
category 1 facility, which of the following item(s) is correct regarding the standing
vacuum test for vacuum piping? - ANSWER -during the test the source of the test
vacuum shall be disconnected from the piping system
the final connection between new piping and an existing system may be tested
with the system gas and must be checked with a leak detectant that does NOT
contain which of these agents? - ANSWER -Ammonia
a valve installed in each medical gas and vacuum piping system shall be tested to
verify which of the following? - ANSWER -proper operation and rooms or areas
of control
