Question

GSR(Galvanic skin response) gives ________________

(a) activity of sweat glands

(b) baseline value of skin resistance

(c) activity of endrocine glands

(d) baseline value of breathing

This question was posed to me during an interview for a job.

My question comes from Cardiac Arrhythmias in portion Arrhythmia and Ambulatory Monitoring Instruments of Biomedical Instrumentation

Answer 1

Right option is (a) activity of sweat glands

Explanation: BSR (basal skin response) and GSR (galvanic skin response) is a measure of the average activity of the sweat glands and is a measure of the phasic activity (the high and low points) of these glands. BSR gives the baseline value of the skin resistance where as GSR is due to the activity of the sweat glands.