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Anaesthesia Preoperative assessment and monitoring in anaesthesia 240d6517

Modern monitors to measure ETCO2 make Use of-

A
Infrared absorption spectroscopy
B
Ultra violet rays
C
Laser technology
D
Scatter technology
High-Yield Explanation
Capnograpghy works on the priniciple of absorption spectrophotometry(CO2 absorbs infrared rays at a wavelength of 4280 nm)

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