Dr. Kost Anesthesia Machine Exam Questions With Correct Answers
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Course
Dr. Kost Anesthesia Machine
Institution
Dr. Kost Anesthesia Machine
Dr. Kost Anesthesia Machine Exam
Questions With Correct Answers
What do you do if you have an issue with the machine during a case - answer- trouble shoot
for 30 sec - 1 min
- Take the patient off and bag ventilate
What do you do with a malfunctioning machine - answerTake out of service
How m...
BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
Dr. Kost Anesthesia Machine Exam
Questions With Correct Answers
What do you do if you have an issue with the machine during a case - answer✔✔- trouble shoot
for 30 sec - 1 min
- Take the patient off and bag ventilate
What do you do with a malfunctioning machine - answer✔✔Take out of service
How many more times greater is misuse of the anesthesia gas delivery equipment than
equipment failure - answer✔✔3x, lack of familiarity with the equipment and a failure to check
machine function are the most frequent causes
What kind of gas is in the respiratory reserve bag - answer✔✔Not fresh gas, still has CO2
What agency sets the regulation for anesthesia machines - answer✔✔ASTM (American Society
for Testing and Materials) 1850,
Compressed gas is delivered in two ways - answer✔✔Compressed gas and via pipeline
How is O2 manufactured by - answer✔✔Fractional distillation of liquified air. This is the most
common method.
N2O is manufactured by - answer✔✔The thermal decompensation of ammonium nitrate. Must
contain 99% N20 by volume
How are O2 and N20 stored - answer✔✔O2 is stored as a gas and N2O is stored as a liquid
-N2,O2,air gas form
-CO2 - liquid
Compressed gas purity is regulated by who - answer✔✔Pharmacopeia of the United States
(USP)
The transportation of compressed gas is regulated by who - answer✔✔Department of
transpiration (DOT) - the motor safety devision
,BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
-DOT regulates everything about cylinders (thickness, construction, etc)
Tanks on the side of machine are used for what - answer✔✔Emergency and mobility
(somewhere that does not have pipeline availability)
Where are the valves on a cylinder - answer✔✔Attached to the neck of the cylinder via tapered
thread
Oxygen cylinder port is where - answer✔✔the gasses exit the cylinder from (point of exit)
Pressure relief device type - answer✔✔Disc device - a fragile disc or burst disc, predetermined
pressure is reached then the disc ruptures and the contents are dispersed, all or nothing
phenomenon
Fusible plug (woods metal) - bismuth, tin, cadmium, and lead, low melting point, temp softens
plug with resultant loss of cylinder contents, plug melts, all or nothing phenomenon.
Pressure relief valve - opens at extreme pressures, spring loaded device designed to reclose and
prevent gas escape once the condition returns to normal, not a all or nothing phenomenon. Safest
device
What is the PSI of a full O2 tank - answer✔✔1900 - 2200 (2000) = 660L
What is the PSI of a full N2O tank - answer✔✔750 - 745 = 1590l
Difference between gas and liquid in cylinder tanks - answer✔✔Gas psi will decrease when
volume decreases
Liquid psi will stay the sakes until liquid is gone
What is the only way to tell how much is left in a N2O tank - answer✔✔weigh it
you have 1000 psi in your O2 tank going at 6l how many minutes do you have left -
answer✔✔1000 psi approximately 330L
330L/6L flow = 55 min
Cylinder markings and labeling - answer✔✔- not supposed to be painted over, legible, do not
cover, required by DOT, must bear a label 2/3 the distance from the cylinder bottom, have to
check O2 cylinders every 2 years
How often do you have to check cylinders - answer✔✔- Inspection and internal hydrostatic
pressure test every 5 years, with special permit testing is performed every 10 yrs, tested to 1.66
of their service pressure
, BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
- an old test for this was the cylinder hammer ring test
What is the purpose of the pin index safety system - answer✔✔prevent interchangeability of
cylinders on the cylinder yoke, two pins on the yoke correspond with two holes on the cylinder
valve
Combinations to O2, N2O, Air, CO2 pin index safety system - answer✔✔Air - 1,5
O2 - 2,5
N2O - 3,5
CO2 - 1,6
What material are hospital pipeline made out of - answer✔✔Copper
The pressure in the anesthesia machine is 2000 psi (T or F) - answer✔✔False
What does the DISS prevent - answer✔✔interchangeability of gas hoses
Pipe line systems - answer✔✔Primary source for the anesthesia gas machine
- At 50 psi at
- cylinder pressure is at 45 psi
- anesthesia machine will high to low pressure
- turn off cylinders after machine check
Diameter index safety system (DISS) - answer✔✔Every gas has a different threading
The anesthesia machine high pressure side is exposed to the wall flow or cylinder flow -
answer✔✔Cylinder flow
-hanger yoke
-yoke block
-cylinder pressure gauge
-cylinder pressure regulator
what is the function of the cylinder crush gasket - answer✔✔prevent leaking, reduces frictional
flow
What type of valve is in a hanger yoke valve - answer✔✔floating check valve, prevents
transfixing of tanks
First stage regulator - answer✔✔- on the high pressure side
- also known as a pressure reducing valve, reducing regulator or regulator valve
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