NFPA 99 (2018) Practice Test Questions –
Worksheet 1: Risk Categories, Medical Gas
Systems, and Alarm Definitions |Questions with A+
Graded Rationales Latest Upgraded 2026
Categories shall be determined by following and documenting a defined risk assessment
procedure.
a) True
b) False
True 4.2.2
Facility systems in which failure of such equipment is likely to cause minor injury to patients or
caregivers shall be designed to meet what category __________?
a) 1
b) 2
c) 3
d) 4
Category 2 4.1.2
What facility, building, or structure is used to house chambers and all auxiliary service
equipment for medical applications and procedure at pressures above normal atmospheric
pressure. (HYP)
a) Hospital
b) Hyperbaric
c) Hypobaric
d) Hypoxia
Hyperbaric 3.3.7.6
What element exists as a colorless, odorless, and tasteless gas at normal atmospheric
temperatures and pressure?
a) Nitrous oxide
b) Liquid oxygen
, c) Oxygen
d) Hydrogen
Oxygen 3.3.126
A warning system within an area uses a ______ that provides continuous visible and audible
surveillance of Category 1 and Category 2 medical gas and vacuum systems.
a) Alternate Alarm
b) Area Alarm
c) Local Alarm
d) Master Alarm
Area Alarm 3.3.3.1
What warning system is used to monitor the operation and condition of the source of supply of
each medical gas and vacuum piping systems?
a) Master Alarm System
b) Area Alarm System
c) Building Management System
d) Pressure Indicator System
Master Alarm System 3.3.3.4
A ______ device is used for connecting the outlets of one or more gas cylinders to the central
piping systems.
a) Mask
b) Manifold
c) Manufactured Assembly
d) Connection
Manifold 3.3.99
What is not part of a typical Category 1 Medical Vacuum System?
a) An inlet at locations where patient suction could be required.
b) Patient lead.
c) Pressure gauges and operating controls.
d) Shutoff valves.
Patient lead 3.3.141
Worksheet 1: Risk Categories, Medical Gas
Systems, and Alarm Definitions |Questions with A+
Graded Rationales Latest Upgraded 2026
Categories shall be determined by following and documenting a defined risk assessment
procedure.
a) True
b) False
True 4.2.2
Facility systems in which failure of such equipment is likely to cause minor injury to patients or
caregivers shall be designed to meet what category __________?
a) 1
b) 2
c) 3
d) 4
Category 2 4.1.2
What facility, building, or structure is used to house chambers and all auxiliary service
equipment for medical applications and procedure at pressures above normal atmospheric
pressure. (HYP)
a) Hospital
b) Hyperbaric
c) Hypobaric
d) Hypoxia
Hyperbaric 3.3.7.6
What element exists as a colorless, odorless, and tasteless gas at normal atmospheric
temperatures and pressure?
a) Nitrous oxide
b) Liquid oxygen
, c) Oxygen
d) Hydrogen
Oxygen 3.3.126
A warning system within an area uses a ______ that provides continuous visible and audible
surveillance of Category 1 and Category 2 medical gas and vacuum systems.
a) Alternate Alarm
b) Area Alarm
c) Local Alarm
d) Master Alarm
Area Alarm 3.3.3.1
What warning system is used to monitor the operation and condition of the source of supply of
each medical gas and vacuum piping systems?
a) Master Alarm System
b) Area Alarm System
c) Building Management System
d) Pressure Indicator System
Master Alarm System 3.3.3.4
A ______ device is used for connecting the outlets of one or more gas cylinders to the central
piping systems.
a) Mask
b) Manifold
c) Manufactured Assembly
d) Connection
Manifold 3.3.99
What is not part of a typical Category 1 Medical Vacuum System?
a) An inlet at locations where patient suction could be required.
b) Patient lead.
c) Pressure gauges and operating controls.
d) Shutoff valves.
Patient lead 3.3.141
