1 | Page
EGAN’S FUNDAMENTALS OF
RESPIRATORY CARE 2025 WITH
CORRECT ANSWERS.
Nitrogen - correct answer- N, colorless, tasteless, odorless,
cannot support life, does not support combustion, non
flammable
E Cylinder Factor - correct answer- 0.28 L/psig
How long will an E cylinder last at 10 L/m - correct answer- 1
hour
How many liters of gas are in 1 cubic feet (cu ft) - correct
answer- 28.3 L
, 2 | Page
What are the factors of cylinder duration - correct answer- Gas
flow rate, cylinder size, cylinder pressure
What is the heliox factor for a 80:20 ratio - correct answer- 1.8
How many gallons and liters are in 1 cu ft? - correct answer-
28.316 L, 7.481 gallons
How many cu ft and gallons are in 1 liter? - correct answer-
0.03531 cu ft, 0.2642 gallons
How many cu ft and liters are in 1 gallon? - correct answer-
3.785 L, 0.1337 cu ft
What pressure is lower pulmonary or body? - correct answer-
Pulmonary
What color is an O2 cylinder - correct answer- Green
EGAN’S FUNDAMENTALS OF
RESPIRATORY CARE 2025 WITH
CORRECT ANSWERS.
Nitrogen - correct answer- N, colorless, tasteless, odorless,
cannot support life, does not support combustion, non
flammable
E Cylinder Factor - correct answer- 0.28 L/psig
How long will an E cylinder last at 10 L/m - correct answer- 1
hour
How many liters of gas are in 1 cubic feet (cu ft) - correct
answer- 28.3 L
, 2 | Page
What are the factors of cylinder duration - correct answer- Gas
flow rate, cylinder size, cylinder pressure
What is the heliox factor for a 80:20 ratio - correct answer- 1.8
How many gallons and liters are in 1 cu ft? - correct answer-
28.316 L, 7.481 gallons
How many cu ft and gallons are in 1 liter? - correct answer-
0.03531 cu ft, 0.2642 gallons
How many cu ft and liters are in 1 gallon? - correct answer-
3.785 L, 0.1337 cu ft
What pressure is lower pulmonary or body? - correct answer-
Pulmonary
What color is an O2 cylinder - correct answer- Green
