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

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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