Question

Deep-seated electrodes indicates the electric potential difference arising ________ the living tissues or cells.

(a) inside

(b) outside

(c) around

(d) adjacent

I got this question in unit test.

This question is from Recording Electrodes in portion Bioelectric Signal and Electrodes of Biomedical Instrumentation

Answer 1

Right option is (a) inside

The explanation is: Deep-seated electrodes indicate the electric potential difference arising inside the living tissues or cells. Surface electrodes indicates the electric potentials arising outside the living tissues that is on the surface of the skin. Needle electrodes are example of deep seated electrodes.