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Modern instrument use ________ for intravascular oximetry?(a) photodiode(b) red and infrared LED’s(c) optical fibre(d) phototransistorThe question was asked by my school teacher while I was bunking the class.My question is based upon Biotelemetry in portion Biomedical Telemetry of Biomedical Instrumentation

Answer»

Right answer is (c) optical fibre

Best EXPLANATION: For intravascular oximetry, modern instruments make use of optical fibres to guide the LIGHT SIGNAL inside the VESSEL and the reflected light from the red blood cells back to the light detector.



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