All of the following are used to maintain proper oxygen flow to the patient except:
ADifferent pin index for nitrogen and oxygen
BA proportioner between N₂ and O₂ control valves
CCalibrated oxygen concentration analyzers
DPlacement of oxygen flowmeter downstream of the nitrogen flowmeter
True about anaesthesia breathing circuit is
AOxygen flush delivers more than 135 litres
BPipelines is a part of low pressure system
CCylinder is a part of high pressure system
DOxygen flush delivers less than 35 litres
At the end of anaesthesia after discontinuation of nitrous oxide and removal of endotracheal tube, 100% oxygen is administered to the patient to prevent:
ASecond gas effect
BBronchospasm
CHyperoxia
DDiffusion Hypoxia
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