This technique involves measuring the optical transmittance of the ear at how many wavelengths?(a) 12(b) 6(c) 8(d) 10The question was posed to me by my college director while I was bunking the class.I want to ask this question from Vectorcardiography (VCG) in division Biomedical Recorders of Biomedical Instrumentation

This technique involves measuring the optical transmittance of the ear

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1.	This technique involves measuring the optical transmittance of the ear at how many wavelengths?(a) 12(b) 6(c) 8(d) 10The question was posed to me by my college director while I was bunking the class.I want to ask this question from Vectorcardiography (VCG) in division Biomedical Recorders of Biomedical Instrumentation
Answer» Correct answer is (C) 8 To EXPLAIN I WOULD say: In brief, the technique involves measuring the optical transmittance of the ear at 8 wavelengths in the 650 to 1050 nm range. A 2.5 m LONG flexible fibre ear probe connects the patient to the instrument.

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