EGAN’S FUNDAMENTALS OF RESPIRATORY
CARE EXAM Q&A 2026 STUDY GUIDE WITH
VERIFIED SOLUTIONS
◉ What is the filling density for CO2. Answer: 68%
◉ What is the filling density for N2O. Answer: 55%
◉ How does one measure pressure in a compressed gas cylinder.
Answer: Measure the pressure typically using a gauge
◉ How does one measure pressure in a liquid gas cylinder?. Answer:
Weighing
◉ Where would an RT find a Diameter-Index safety system?.
Answer: 1) At the outlets of pressure-reducing valves attached to
cylinders.
2) at the station outlets of central piping systems
3) at the inlets of blenders, flow meters, ventilators, and other
pneumatic equipment
, ◉ What brands of quick connects do we typically see in our area?.
Answer: Ohio Diamond, and N.C.G.
◉ What type of connector is used for reducing gas pressure to a
patient?. Answer: reducing valve
◉ What is the "working pressure" in the United States?. Answer: 50
psig
◉ What are the three types of low-pressure gas flow meters?.
Answer: A flow restrictor, Bourdon gauge, and Thorpe tube
◉ What is the least amount of O2 used in a therapy gas?. Answer:
20%
◉ How does one identify the type of medical gas in a given cylinder?.
Answer: Carefully read the label
◉ How can gas cylinders be secured?. Answer: To the wall with a
chain, bound or chained to a suitable cart, or placed in a specifically
designed cylinder carrier.
◉ What is "cracking" a cylinder?. Answer: Slightly opening the valve
to remove dust and debris prior to use by the patient.
CARE EXAM Q&A 2026 STUDY GUIDE WITH
VERIFIED SOLUTIONS
◉ What is the filling density for CO2. Answer: 68%
◉ What is the filling density for N2O. Answer: 55%
◉ How does one measure pressure in a compressed gas cylinder.
Answer: Measure the pressure typically using a gauge
◉ How does one measure pressure in a liquid gas cylinder?. Answer:
Weighing
◉ Where would an RT find a Diameter-Index safety system?.
Answer: 1) At the outlets of pressure-reducing valves attached to
cylinders.
2) at the station outlets of central piping systems
3) at the inlets of blenders, flow meters, ventilators, and other
pneumatic equipment
, ◉ What brands of quick connects do we typically see in our area?.
Answer: Ohio Diamond, and N.C.G.
◉ What type of connector is used for reducing gas pressure to a
patient?. Answer: reducing valve
◉ What is the "working pressure" in the United States?. Answer: 50
psig
◉ What are the three types of low-pressure gas flow meters?.
Answer: A flow restrictor, Bourdon gauge, and Thorpe tube
◉ What is the least amount of O2 used in a therapy gas?. Answer:
20%
◉ How does one identify the type of medical gas in a given cylinder?.
Answer: Carefully read the label
◉ How can gas cylinders be secured?. Answer: To the wall with a
chain, bound or chained to a suitable cart, or placed in a specifically
designed cylinder carrier.
◉ What is "cracking" a cylinder?. Answer: Slightly opening the valve
to remove dust and debris prior to use by the patient.
