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Ear oximeter instrument is based on Beer-Lambert law.(a) True(b) FalseI got this question in an interview.Origin of the question is Vectorcardiography (VCG) in portion Biomedical Recorders of Biomedical Instrumentation

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Right answer is (a) True

Easy EXPLANATION: The instrument is based on the Beer-Lambert law. HOWEVER, it is assumed that the optical absorbers act INDEPENDENTLY and additively and that the effects of light scattering by the ear TISSUE can be minimized by a proper source and detector GEOMETRY.



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