TnT final exam questions with
complete solutions
which statement concerning gas molecules is FALSE - ANSWERS-Gas molecules collide with each
other and the walls of the gas cylinder and the pressure exerted is measured in Liters per
minute
RT is setting up a portable liquid oxygen system for a chronic lung patient. the patient is on a 2
L/min nc and the portable oxygen container holds 4 lbs of oxygen.the therapist should explain
to the patient the oxygen supply will last for approx what length of time? - ANSWERS-11.5 hours
which of the following is considered a small cylinder - ANSWERS-E cylinder
a home care patient with emphysema receiving O2 at 2 L/min complains he can´t feel any
oxygen coming from the nc attached to an oxygen concentrator. which of the following should
the RT do FIRST - ANSWERS-Place the nc in water ad check for bubbles
the frangible disk safety relief device will rupture to prevent excessive cylinder pressures when
the pressure reaches approx.? - ANSWERS-3000 psi
an emphysema patient receives continuous oxygen at home at 2 L/min from an oxygen
concentrator. An ice storm has knocked out power and is projected to be out for at least 8
hours. the most appropriate oxygen back-up system in case of a power failure is what? -
ANSWERS-H cylinder
if a cylinder has a star next to its precious hydrostatic test date, that means the cylinder must be
retested in? - ANSWERS-10 years
,hydrostatic testing of a gas cylinder will determine what? - ANSWERS-cylinder expansion
leaks in the cylinder
cylinder wall stress
which of the following represents the maximum pressure that most oxygen cylinders are
normally filled - ANSWERS-2200 psig
the pin index safety system is utilized on what cylinder - ANSWERS-small
the diameter index safety system is utilized on what? - ANSWERS-flowmeter inlets and outlets
choose the false statements concerning the proper storage of medical gas cylinders - ANSWERS-
flammable and non-flammable gases may be stored together
when the temperature of the contents of a gas cylinder increase - ANSWERS-the pressure of the
gas in the cylinder increases
a liquid oxygen container is holding 6 lbs of liquid oxygen. this i equal to how many liters of
gaseous oxygen? - ANSWERS-2064 liters
an RT is called to a patient´s room because oxygen is leaking from an E cylinder. The RT should
do which of the following - ANSWERS-tighten all connections
replace the washer between the cylinder and regulator connections
the contents of a medical gas cylinder may be determined by which of the following -
ANSWERS-label on the cylinder
color of the cylinder
, a DISS connection is utilized on gas administering equipment which operate at - ANSWERS-less
than 200 psi
in order to maintain oxygen in its liquid form, it must be stored at what tempeature - ANSWERS-
below -297*F
you receive an order to set up a carbon dioxide/ oxygen mixture for the treatment of a stroke
patient, you would need to select a cylinder of which color - ANSWERS-grey and green
which of the following utilize the American Standard Safety System ASSS - ANSWERS-large
cylinder outlets
one cubic foot of liquid oxygen is equal to how many cubic feet of gaseous oxygen - ANSWERS-
860
liquid oxygen storage tanks are stored at what pressure - ANSWERS-250 psi
which of the following gases is considered flammable - ANSWERS-cyclopropane
liquid oxygen is converted to gas as it passes through what point in the bulk system - ANSWERS-
vaporizer
if an E cylinder contains 1800 psi and an oxygen set up is connected and running at 6 L/min how
long before the cylinder becomes empty - ANSWERS-1 hour and 24 minutes
choose the correct equation for determining cylinder factors - ANSWERS-cubic feet of gas in a
full cylinder x 28.3
/ 2200psi
complete solutions
which statement concerning gas molecules is FALSE - ANSWERS-Gas molecules collide with each
other and the walls of the gas cylinder and the pressure exerted is measured in Liters per
minute
RT is setting up a portable liquid oxygen system for a chronic lung patient. the patient is on a 2
L/min nc and the portable oxygen container holds 4 lbs of oxygen.the therapist should explain
to the patient the oxygen supply will last for approx what length of time? - ANSWERS-11.5 hours
which of the following is considered a small cylinder - ANSWERS-E cylinder
a home care patient with emphysema receiving O2 at 2 L/min complains he can´t feel any
oxygen coming from the nc attached to an oxygen concentrator. which of the following should
the RT do FIRST - ANSWERS-Place the nc in water ad check for bubbles
the frangible disk safety relief device will rupture to prevent excessive cylinder pressures when
the pressure reaches approx.? - ANSWERS-3000 psi
an emphysema patient receives continuous oxygen at home at 2 L/min from an oxygen
concentrator. An ice storm has knocked out power and is projected to be out for at least 8
hours. the most appropriate oxygen back-up system in case of a power failure is what? -
ANSWERS-H cylinder
if a cylinder has a star next to its precious hydrostatic test date, that means the cylinder must be
retested in? - ANSWERS-10 years
,hydrostatic testing of a gas cylinder will determine what? - ANSWERS-cylinder expansion
leaks in the cylinder
cylinder wall stress
which of the following represents the maximum pressure that most oxygen cylinders are
normally filled - ANSWERS-2200 psig
the pin index safety system is utilized on what cylinder - ANSWERS-small
the diameter index safety system is utilized on what? - ANSWERS-flowmeter inlets and outlets
choose the false statements concerning the proper storage of medical gas cylinders - ANSWERS-
flammable and non-flammable gases may be stored together
when the temperature of the contents of a gas cylinder increase - ANSWERS-the pressure of the
gas in the cylinder increases
a liquid oxygen container is holding 6 lbs of liquid oxygen. this i equal to how many liters of
gaseous oxygen? - ANSWERS-2064 liters
an RT is called to a patient´s room because oxygen is leaking from an E cylinder. The RT should
do which of the following - ANSWERS-tighten all connections
replace the washer between the cylinder and regulator connections
the contents of a medical gas cylinder may be determined by which of the following -
ANSWERS-label on the cylinder
color of the cylinder
, a DISS connection is utilized on gas administering equipment which operate at - ANSWERS-less
than 200 psi
in order to maintain oxygen in its liquid form, it must be stored at what tempeature - ANSWERS-
below -297*F
you receive an order to set up a carbon dioxide/ oxygen mixture for the treatment of a stroke
patient, you would need to select a cylinder of which color - ANSWERS-grey and green
which of the following utilize the American Standard Safety System ASSS - ANSWERS-large
cylinder outlets
one cubic foot of liquid oxygen is equal to how many cubic feet of gaseous oxygen - ANSWERS-
860
liquid oxygen storage tanks are stored at what pressure - ANSWERS-250 psi
which of the following gases is considered flammable - ANSWERS-cyclopropane
liquid oxygen is converted to gas as it passes through what point in the bulk system - ANSWERS-
vaporizer
if an E cylinder contains 1800 psi and an oxygen set up is connected and running at 6 L/min how
long before the cylinder becomes empty - ANSWERS-1 hour and 24 minutes
choose the correct equation for determining cylinder factors - ANSWERS-cubic feet of gas in a
full cylinder x 28.3
/ 2200psi
