What factors has no significant influence on the measurement?(a) skin pigmentation(b) thickness(c) tissue(d) skin pigmentation, thickness and tissueI got this question in a job interview.This interesting question is from Electroencephalograph (EEG) topic in portion Biomedical Recorders of Biomedical Instrumentation

What factors has no significant influence on the measurement?(a) skin

1.	What factors has no significant influence on the measurement?(a) skin pigmentation(b) thickness(c) tissue(d) skin pigmentation, thickness and tissueI got this question in a job interview.This interesting question is from Electroencephalograph (EEG) topic in portion Biomedical Recorders of Biomedical Instrumentation
Answer» Correct choice is (d) skin PIGMENTATION, thickness and tissue To EXPLAIN I would say: The instrument can be empirically calibrated. Subject variability (skin pigmentation, thickness, tissue, sensor location, ETC.) has no SIGNIFICANT influence on the measurement.

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