What is the color coding of the gases (oxygen, nitrous, air)
Virtual Anesthesia Machine Learning Objectives
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What is the color coding of the gases (oxygen, nitrous, air)?
Is the color coding an international standard?
How are the gas connectors prevented from being connected to the wrong pipeline supply?
How do you prevent the connection of the wrong gas cylinders to the anesthesia machine?
How much pressure (in psi) is supplied by the gas pipeline?
Will this pipeline pressure remain constantly the same over longer periods of time?
How much pressure (in psi) does a full E-cylinder of oxygen have?
If the oxygen cylinder valve is opened and there also pipeline pressure, will the oxygen from the O2 cylinder be used or oxygen from the pipeline?
Why is the oxygen from the pipeline used preferentially, if you consider that the oxygen cylinder pressure is much higher than pipeline supply pressure?
If you leave the cylinder open with an intact pressure regulator, could there still be loss of oxygen from the cylinder?
Is it possible for the pressure gauge to indicate a pressure higher than zero even when the oxygen cylinder is empty?
How can you “reset” this pressure gauge?
Why does the alarm sound when you switch on the machine and why does the same thing happen again when you switch the machine off?
Is oxygen only used by the used or also by the anesthesia machine?
What drives the ventilator bellows?
What is the fail-safe device and how does it work?
Does this device really make the anesthesia machine fail safe or can you imagine scenarios where you can still deliver a hypoxic mixture.
If there is a loss of oxygen pipeline pressure, which flow meter bobbin will go down first, oxygen or nitrous?
Why is the oxygen flow meter located downstream from the nitrous oxide flow meter?
Why is the vaporizer called a variable bypass vaporizer?
How is the ratio between oxygen and nitrous oxide controlled? Can this system fail and how?
Does the anesthetic concentration on the dial correlate with the inspired inhalational anesthetic concentrations at very high flows and very low flows or will it be significantly different?
If you press the oxygen flush button in mechanical ventilation mode (but with the ventilator off), can you cause barotrauma?
If the ventilator is on while pressing the oxygen flush button, can you cause barotrauma?
If you press the oxygen flush button in manual ventilation mode (but with the APL valve open), can you cause barotraumas?
If the APL valve is closed, can you cause barotrauma?
What is the best place to connect a nasal oxygen cannula? The Y-piece or the common gas outlet?
Why does the FDA pre-use check require a negative pressure leak (on Datex-Ohmeda machines), would a positive pressure leak not be adequate to find any leaks?
What kind of leaks do you test for with a positive pressure leak test?
What is the most common cause of leaks inside the machine (prior to the common gas outlet)?
What is the dead space in the circle system and what valves minimize this dead space?
Where are the uni-directional valves located and how can these valves malfunction?
Does CO2 absorption occur during inspiration or expiration?
What is the function of the ventilator relief valve?
When and at what pressure does the ventilator relief valve open?
Why does the ventilator relief valve stay closed during inspiration?
Why does increasing the FGF increase the tidal volume given to the patient?
What happens if you have tear in the bellows?
Could you ventilate the patient in an anesthesia machine without a bellows?
What happens when you use a minute ventilation that is too high for a particular patient (excessive tidal volumes and/or rate)?
Why is the manual breathing bag located on the expiratory limb and not on the inspiratory limb of the circle system?
What is low flow anesthesia?
Can you make this anesthesia circuit into a closed circuit anesthesia system?
Can you decrease the inhaled anesthetic concentrations faster at the end of the procedure if you use the flush button?
Why do you need a scavenging bag?
Why do you need a positive pressure relief valve?
Why do you need a negative pressure relief valve?
Do the scavenging system hoses have different or the same diameter as the hoses that connect to the ventilator and the breathing circuit hoses?
Can a malfunctioning positive pressure relief valve cause barotrauma?
Can a malfunctioning negative pressure relief valve cause barotrauma?
What is optimal vacuum setting for the active scavenging system?
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