MED GAS MOCK EXAM QUESTIONS
AND ANSWERS ACCURATE
WAGD networks shall provide a WAGD inlet in all locations where __________ is
intended to be administered.
a. Nitrogen
b. Medical Air
c. Nitrous Oxide
d. Oxygen - ANSWERSc. Nitrous Oxide
Audible and visual alarm indicators shall meet which of the following requirements?
a. Individual indicators shall NOT be less than DN20 size
b. Testing to determine indicator function should be scheduled periodically and records
maintained between testing.
c. CGA C-7
d. The staff should be trained to operate the test button periodically and report
malfunctions. - ANSWERSb. Testing to determine indicator function should be
scheduled periodically and records maintained between testing.
Only one service valve is required for each branch off the riser, unless the number of
zone valves on that branch exceeds ______ valves.
a. 6
b. 8
c. there is no maximum
d. 4 - ANSWERSc. there is no maximum
Which of the following systems shall not be permitted to be located in an outdoor
enclosure?
a. Bulk cryogenic liquid systems
b. Manifolds for gas cylinders
c. Manifolds for cryogenic liquid containers
d. Medical air compressor sources - ANSWERSd. Medical air compressor sources
NFPA 99 requires tubing to be cut square using a sharp tubing cutter that shall be free
from grease, oil or other lubricants not suitable for oxygen service. What sort of
treatment is permitted of the tube ends before brazing?
a. May be reamed
b. May be deburred or rolled smooth
c. May be re-cleaned
d. none of the above - ANSWERSb. May be deburred or rolled smooth
Excluding outdoor locations, which of these is an NFPA 99 requirement for the wiring of
each of the two mandatory master alarms?
,a.Common conductors
b.Without any splices
c.Wired independently to the initiating device(s) for each signal
d.Alarms shall be sent to the area alarm panel in the emergency room - ANSWERSc.
Wired independently to the initiating device(s) for each signal
Inspection and testing shall be performed on all new piped gas systems, additions,
renovations, temporary installations or repaired systems to assure the facility that all
applicable provisions of NFPA 99C have been adhered to and system integrity has
been achieved or maintained. What is required of the individual doing the testing or
inspecting?
a.Have two years experience
b.Have a documented procedure
c.Be a certified tester
d.none of the above - ANSWERSb. Have a documented procedure
With the approval of the authority having jurisdiction, in what areas shall the shutoff
valves be permitted to be secured to prevent inappropriate access?
a.critical care
b.psychiatric or pediatric
c.maternity
d.anesthetizing - ANSWERSb. psychiatric or pediatric
For purposes of this code, an oxygen enriched atmosphere is an atmosphere where to
total concentration of oxygen exceeds _______ by volume.
a.23.5%
b.23.6%
c.19.5%
d.93% - ANSWERSa.23.5%
Compressed gas cylinders must meet which of the following criteria in order to be
acceptable for use in an acute health care facility?
a.Be appropriately identified by labels or stencils in accordance with CGA C-7 criteria
b.Be appropriately color coded in accordance with U.S.D.A. requirements
c.Be constructed in accordance with specifications and regulations of OSHA
d.Utilize gas specific CGA connections - ANSWERSa. Be appropriately identified by
labels or stencils in accordance with CGA C-7 criteria
In those portions of the system intended to handle oxygen at pressures greater than
350 psi, the interconnecting hose shall not contain __________ materials.
a.stainless steel
b.polymeric
c.copper
d.brass - ANSWERSb. polymeric
, To facilitate service, testing or replacement, all pressure switches and mainline gauges
downstream of the source valve shall be provided with a ________________.
a.Check valve
b.Shutoff valve
c.Demand check fitting
d.D.I.S.S. fitting - ANSWERSc. Demand check fitting
Those sections or portions of the piping system that serve a room or group of rooms on
the same story of the facility. This is the definition of which of the following?
a.Main lines
b.Risers
c.Vent Lines
d.Branch (lateral) lines - ANSWERSd. Branch (lateral) lines
Stainless tube may be joined by any methods EXCEPT which of the following?
a.Tungsten inert gas(TIG)
b.Solder
c.Gas tungsten arc welding (GTAW)
d.Metal inert gas (MIG) - ANSWERSb. Solder
Wooden rack for cylinder storage may be permitted under which conditions?
a.They must be located in an area with a fire suppression system
b.The wood must be painted
c.Wooden racks are no longer permitted
d.They are permitted with NO set conditions - ANSWERSc. Wooden racks are no
longer permitted
Communication devices that do not use electrical wiring for signal transmission can use
_____.
a.fiber optic
b.wireless
c.A & B
d.none of the above - ANSWERSc. A & B
Manifolds for gas cylinders shall actuate a(an) _______ signal and shall activate an
indicator at all _______ alarm panels to indicate when or just before changeover from
one header to the other.
a.Master; Local
b.Area; Master
c.Master; Area
d.Local; Master - ANSWERSd. Local; Master
A patient care space is any space of a health care facility wherein patients are intended
to be __________.
a.admitted or discharged
b.sent for X-rays
AND ANSWERS ACCURATE
WAGD networks shall provide a WAGD inlet in all locations where __________ is
intended to be administered.
a. Nitrogen
b. Medical Air
c. Nitrous Oxide
d. Oxygen - ANSWERSc. Nitrous Oxide
Audible and visual alarm indicators shall meet which of the following requirements?
a. Individual indicators shall NOT be less than DN20 size
b. Testing to determine indicator function should be scheduled periodically and records
maintained between testing.
c. CGA C-7
d. The staff should be trained to operate the test button periodically and report
malfunctions. - ANSWERSb. Testing to determine indicator function should be
scheduled periodically and records maintained between testing.
Only one service valve is required for each branch off the riser, unless the number of
zone valves on that branch exceeds ______ valves.
a. 6
b. 8
c. there is no maximum
d. 4 - ANSWERSc. there is no maximum
Which of the following systems shall not be permitted to be located in an outdoor
enclosure?
a. Bulk cryogenic liquid systems
b. Manifolds for gas cylinders
c. Manifolds for cryogenic liquid containers
d. Medical air compressor sources - ANSWERSd. Medical air compressor sources
NFPA 99 requires tubing to be cut square using a sharp tubing cutter that shall be free
from grease, oil or other lubricants not suitable for oxygen service. What sort of
treatment is permitted of the tube ends before brazing?
a. May be reamed
b. May be deburred or rolled smooth
c. May be re-cleaned
d. none of the above - ANSWERSb. May be deburred or rolled smooth
Excluding outdoor locations, which of these is an NFPA 99 requirement for the wiring of
each of the two mandatory master alarms?
,a.Common conductors
b.Without any splices
c.Wired independently to the initiating device(s) for each signal
d.Alarms shall be sent to the area alarm panel in the emergency room - ANSWERSc.
Wired independently to the initiating device(s) for each signal
Inspection and testing shall be performed on all new piped gas systems, additions,
renovations, temporary installations or repaired systems to assure the facility that all
applicable provisions of NFPA 99C have been adhered to and system integrity has
been achieved or maintained. What is required of the individual doing the testing or
inspecting?
a.Have two years experience
b.Have a documented procedure
c.Be a certified tester
d.none of the above - ANSWERSb. Have a documented procedure
With the approval of the authority having jurisdiction, in what areas shall the shutoff
valves be permitted to be secured to prevent inappropriate access?
a.critical care
b.psychiatric or pediatric
c.maternity
d.anesthetizing - ANSWERSb. psychiatric or pediatric
For purposes of this code, an oxygen enriched atmosphere is an atmosphere where to
total concentration of oxygen exceeds _______ by volume.
a.23.5%
b.23.6%
c.19.5%
d.93% - ANSWERSa.23.5%
Compressed gas cylinders must meet which of the following criteria in order to be
acceptable for use in an acute health care facility?
a.Be appropriately identified by labels or stencils in accordance with CGA C-7 criteria
b.Be appropriately color coded in accordance with U.S.D.A. requirements
c.Be constructed in accordance with specifications and regulations of OSHA
d.Utilize gas specific CGA connections - ANSWERSa. Be appropriately identified by
labels or stencils in accordance with CGA C-7 criteria
In those portions of the system intended to handle oxygen at pressures greater than
350 psi, the interconnecting hose shall not contain __________ materials.
a.stainless steel
b.polymeric
c.copper
d.brass - ANSWERSb. polymeric
, To facilitate service, testing or replacement, all pressure switches and mainline gauges
downstream of the source valve shall be provided with a ________________.
a.Check valve
b.Shutoff valve
c.Demand check fitting
d.D.I.S.S. fitting - ANSWERSc. Demand check fitting
Those sections or portions of the piping system that serve a room or group of rooms on
the same story of the facility. This is the definition of which of the following?
a.Main lines
b.Risers
c.Vent Lines
d.Branch (lateral) lines - ANSWERSd. Branch (lateral) lines
Stainless tube may be joined by any methods EXCEPT which of the following?
a.Tungsten inert gas(TIG)
b.Solder
c.Gas tungsten arc welding (GTAW)
d.Metal inert gas (MIG) - ANSWERSb. Solder
Wooden rack for cylinder storage may be permitted under which conditions?
a.They must be located in an area with a fire suppression system
b.The wood must be painted
c.Wooden racks are no longer permitted
d.They are permitted with NO set conditions - ANSWERSc. Wooden racks are no
longer permitted
Communication devices that do not use electrical wiring for signal transmission can use
_____.
a.fiber optic
b.wireless
c.A & B
d.none of the above - ANSWERSc. A & B
Manifolds for gas cylinders shall actuate a(an) _______ signal and shall activate an
indicator at all _______ alarm panels to indicate when or just before changeover from
one header to the other.
a.Master; Local
b.Area; Master
c.Master; Area
d.Local; Master - ANSWERSd. Local; Master
A patient care space is any space of a health care facility wherein patients are intended
to be __________.
a.admitted or discharged
b.sent for X-rays
