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Ear oximeter instrument is based on Beer-Lambert law.

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Ear oximeter instrument is based on Beer-Lambert law.

(a) True

(b) False

I got this question in an interview.

Origin of the question is Vectorcardiography (VCG) in portion Biomedical Recorders of Biomedical Instrumentation

1 Answer

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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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