(APEX) Anesthesia machine- test questions
WITH ANSWERS
Identify the components of the low pressure system in
the anesthesia machine (pick 2).
Flowmeter tubes
Oxygen flush valve
Common gas outlet
Cylinder pressure regulator
Flowmeter tubules
Common gas outlet
a good graphic of low, intermediate, high pressure
systems and whats included.
,Anesthesia machines can be divided into high,
intermediate and low pressure systems, where does the
high pressure system begin and end?
Begins at the O2/N2O cylinders and and ends at the
pressure regulator (includes the cylinder pressure gauge)
What 3 things are typically included in the low pressure
system of the anesthesia machine?
O2/Air flow meters, calibrated vaporizers and the
common gas outlet
Is the 02 supply and N2O supply to the machine
considered high, intermediate or low pressure?
Intermediate
,Where is the second stage 02 pressure regulator located
in the pressure system?
In the intermediate pressure area
Where does the intermediate pressure zone begin and
end?
Begins at the pipeline, ends at the flowmeter valves
Where does the low pressure system begin and end on
the anesthesia machine?
Begins at flowmeter tubes and ends at the common gas
outlet
What does the low pressure leak test assess for?
assesses the integrity of the low pressure circuit from the
flowmeter to the common gas outlet
, The low pressure leak test is performed by placing a
suction bulb to the common gas outlet and creating
negative pressure (-65 cm H2O). how will you know if the
test fails?
The bulb will reinflate within 10 seconds.
What things must be shut off to effectively perform a low
pressure leak test?
1. Fresh gas must be off
2. If there is a minimum FGF then the machine must be
off
3. Vent off
4. vaporizers off at first then test with them on
When should the low pressure leak test be done?
before the first case of the day
A high pressure leak test is conducted by closing the APL
valve, pressurizing the circuit to 30 cm H2O and checking
the airway pressure gauge, what indicates a patent
pressure system?
WITH ANSWERS
Identify the components of the low pressure system in
the anesthesia machine (pick 2).
Flowmeter tubes
Oxygen flush valve
Common gas outlet
Cylinder pressure regulator
Flowmeter tubules
Common gas outlet
a good graphic of low, intermediate, high pressure
systems and whats included.
,Anesthesia machines can be divided into high,
intermediate and low pressure systems, where does the
high pressure system begin and end?
Begins at the O2/N2O cylinders and and ends at the
pressure regulator (includes the cylinder pressure gauge)
What 3 things are typically included in the low pressure
system of the anesthesia machine?
O2/Air flow meters, calibrated vaporizers and the
common gas outlet
Is the 02 supply and N2O supply to the machine
considered high, intermediate or low pressure?
Intermediate
,Where is the second stage 02 pressure regulator located
in the pressure system?
In the intermediate pressure area
Where does the intermediate pressure zone begin and
end?
Begins at the pipeline, ends at the flowmeter valves
Where does the low pressure system begin and end on
the anesthesia machine?
Begins at flowmeter tubes and ends at the common gas
outlet
What does the low pressure leak test assess for?
assesses the integrity of the low pressure circuit from the
flowmeter to the common gas outlet
, The low pressure leak test is performed by placing a
suction bulb to the common gas outlet and creating
negative pressure (-65 cm H2O). how will you know if the
test fails?
The bulb will reinflate within 10 seconds.
What things must be shut off to effectively perform a low
pressure leak test?
1. Fresh gas must be off
2. If there is a minimum FGF then the machine must be
off
3. Vent off
4. vaporizers off at first then test with them on
When should the low pressure leak test be done?
before the first case of the day
A high pressure leak test is conducted by closing the APL
valve, pressurizing the circuit to 30 cm H2O and checking
the airway pressure gauge, what indicates a patent
pressure system?
