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Before placing the electrodes the skin should be __________(a) wet(b) dry(c) hairy(d) oilyThe question was asked during an interview.Question is taken from Electrodes for ECG in chapter Bioelectric Signal and Electrodes of Biomedical Instrumentation

Answer» RIGHT option is (b) dry

The explanation: The skin should be dry. Poor skin prep PROMPTS undesirable curio and not putting the terminals where they ought to be can change the morphology (shape) of the waveforms the specialist will DECIPHER. The purpose of decent skin prep is to expel soil, dead skin cells, oils, skin cream, counterfeit TAN, body powder, sweat and so forth. These SOURCES can prompt poor contact with the sensors and ancient rarity.


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