DR. KOST ANESTHESIA MACHINE
2025 BRAND NEW ACTUAL EXAM
WITH ANSWERS.
What does 3ALM or 3AL on and O2 cylinder mean? - correct
answer -Aluminum cylinder
How far can the washer rotate? - correct answer -180degrees
What is the volume of a cylinder at 550PSIG? - correct answer -
156.25L
What is the volume of a cylinder at 225PSIG? - correct answer -
78L
What is the purpose of the stem? - correct answer -Turn on
tank—wrench is on top of anesthesia machine
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What is Wood's metal made of? - correct answer -Bismuth, lead,
tin, cadmium
Will liquify and pressure will leave out cylinder valve and gases
escape
What is the cylinder content of N2O? - correct answer -1590L
How often do cylinder markings have to be tested? - correct
answer -Every 5 years, exception is 10 years in special
circumstances
What is the pipeline system made out of? - correct answer -
Wrought copper
Must be labeled every 10 feet
What do you do in the event of a crossover? - correct answer --
turn back up tank on and manually ventilate
-pull hose out of wall
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What is the pin position for O2? - correct answer -2-5
What is the pin position for N2O? - correct answer -3-5
What is the pin position for air? - correct answer -1-5
What is PISS - correct answer -Pin Index Safety System
What is the hanger yoke? - correct answer -The apparatus in
which O2 taks connect to machine
Used in PISS
What valve sits in the hanger yoke? - correct answer -Floating
check valve
What is transfilling - correct answer -If two cylinders are open, one
at 2000psi and one at 100psi, and if floating check valve is bad,
cylinders will equilibrate to 1000psi and will decrease flow
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What does the pressure gauge reflect? - correct answer -Cylinder
pressure of high pressure system
What gauge is used on the anesthesia machine? - correct answer
-Bourdon pressure gauge
What is the diaphragm shaped regulator? - correct answer -
Pressure regulator
What is the diameter index safety system (DISS)? - correct
answer -Cylinder safety system to specific fitting of hose to
anesthesia machine
What machine has the second stage O2 pressure regulator? -
correct answer -GE machine