TnT final exam questions
which statement concerning gas molecules is FALSE - ✔✔ correct answer 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? - ✔✔ correct answer 11.5 hours
which of the following is considered a small cylinder - ✔✔ correct answer 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 - ✔✔
correct answer 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.? - ✔✔ correct answer 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? - ✔✔ correct answer H cylinder
if a cylinder has a star next to its precious hydrostatic test date, that means the cylinder must be retested
in? - ✔✔ correct answer 10 years
hydrostatic testing of a gas cylinder will determine what? - ✔✔ correct answer cylinder expansion
leaks in the cylinder
cylinder wall stress
which of the following represents the maximum pressure that most oxygen cylinders are normally filled -
✔✔ correct answer 2200 psig
the pin index safety system is utilized on what cylinder - ✔✔ correct answer small
,TnT final exam questions
the diameter index safety system is utilized on what? - ✔✔ correct answer flowmeter inlets and outlets
choose the false statements concerning the proper storage of medical gas cylinders - ✔✔ correct answer
flammable and non-flammable gases may be stored together
when the temperature of the contents of a gas cylinder increase - ✔✔ correct answer 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? - ✔✔ correct answer 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 - ✔✔ correct answer 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 - ✔✔ correct
answer label on the cylinder
color of the cylinder
a DISS connection is utilized on gas administering equipment which operate at - ✔✔ correct answer less
than 200 psi
in order to maintain oxygen in its liquid form, it must be stored at what tempeature - ✔✔ correct answer
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 - ✔✔ correct answer grey and green
which of the following utilize the American Standard Safety System ASSS - ✔✔ correct answer large
cylinder outlets
, TnT final exam questions
one cubic foot of liquid oxygen is equal to how many cubic feet of gaseous oxygen - ✔✔ correct answer
860
liquid oxygen storage tanks are stored at what pressure - ✔✔ correct answer 250 psi
which of the following gases is considered flammable - ✔✔ correct answer cyclopropane
liquid oxygen is converted to gas as it passes through what point in the bulk system - ✔✔ correct answer
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 - ✔✔ correct answer 1 hour and 24 minutes
choose the correct equation for determining cylinder factors - ✔✔ correct answer cubic feet of gas in a
full cylinder x 28.3
/ 2200psi
you have chosen an E cylinder containing 60 psig of oxygen to transport a patient to the heart cath lab.
the flow is set at 10 L/min how long before the tank is empty - ✔✔ correct answer 18 minutes
which of the following represents the cylinder factor for a cylinder that has a filling pressure of 2200 psig
and contains 50 cubic feet of gas - ✔✔ correct answer .70 L/psig
which of the following medical gases may be beneficial to help treat a patient with chronic hiccups - ✔✔
correct answer carbon dioxide / oxygen mixture
during the process of fractional distillation the collected gas mixture is compressed to how many psi
resulting in an increase in temperature - ✔✔ correct answer 1500-2000 psi
normal working pressure for most RT equipment is - ✔✔ correct answer 50 psig
which statement concerning gas molecules is FALSE - ✔✔ correct answer 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? - ✔✔ correct answer 11.5 hours
which of the following is considered a small cylinder - ✔✔ correct answer 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 - ✔✔
correct answer 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.? - ✔✔ correct answer 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? - ✔✔ correct answer H cylinder
if a cylinder has a star next to its precious hydrostatic test date, that means the cylinder must be retested
in? - ✔✔ correct answer 10 years
hydrostatic testing of a gas cylinder will determine what? - ✔✔ correct answer cylinder expansion
leaks in the cylinder
cylinder wall stress
which of the following represents the maximum pressure that most oxygen cylinders are normally filled -
✔✔ correct answer 2200 psig
the pin index safety system is utilized on what cylinder - ✔✔ correct answer small
,TnT final exam questions
the diameter index safety system is utilized on what? - ✔✔ correct answer flowmeter inlets and outlets
choose the false statements concerning the proper storage of medical gas cylinders - ✔✔ correct answer
flammable and non-flammable gases may be stored together
when the temperature of the contents of a gas cylinder increase - ✔✔ correct answer 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? - ✔✔ correct answer 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 - ✔✔ correct answer 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 - ✔✔ correct
answer label on the cylinder
color of the cylinder
a DISS connection is utilized on gas administering equipment which operate at - ✔✔ correct answer less
than 200 psi
in order to maintain oxygen in its liquid form, it must be stored at what tempeature - ✔✔ correct answer
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 - ✔✔ correct answer grey and green
which of the following utilize the American Standard Safety System ASSS - ✔✔ correct answer large
cylinder outlets
, TnT final exam questions
one cubic foot of liquid oxygen is equal to how many cubic feet of gaseous oxygen - ✔✔ correct answer
860
liquid oxygen storage tanks are stored at what pressure - ✔✔ correct answer 250 psi
which of the following gases is considered flammable - ✔✔ correct answer cyclopropane
liquid oxygen is converted to gas as it passes through what point in the bulk system - ✔✔ correct answer
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 - ✔✔ correct answer 1 hour and 24 minutes
choose the correct equation for determining cylinder factors - ✔✔ correct answer cubic feet of gas in a
full cylinder x 28.3
/ 2200psi
you have chosen an E cylinder containing 60 psig of oxygen to transport a patient to the heart cath lab.
the flow is set at 10 L/min how long before the tank is empty - ✔✔ correct answer 18 minutes
which of the following represents the cylinder factor for a cylinder that has a filling pressure of 2200 psig
and contains 50 cubic feet of gas - ✔✔ correct answer .70 L/psig
which of the following medical gases may be beneficial to help treat a patient with chronic hiccups - ✔✔
correct answer carbon dioxide / oxygen mixture
during the process of fractional distillation the collected gas mixture is compressed to how many psi
resulting in an increase in temperature - ✔✔ correct answer 1500-2000 psi
normal working pressure for most RT equipment is - ✔✔ correct answer 50 psig
