Question

A pattern of electrodes on the head and the channels they are connected to is called a montage. Montages are always ___________

(a) inverse

(b) random

(c) symmetrical

(d) asymmetrical

I have been asked this question by my college director while I was bunking the class.

Question is taken from Multi-Patient Telemetry topic in portion Biomedical Telemetry of Biomedical Instrumentation

Answer 1

Correct choice is (c) symmetrical

The explanation is: Montages are always symmetrical.  A pattern of electrodes on the head and the channels they are connected to is called a montage. The reference electrode is generally placed on a nonactive site such as the forehead or earlobe.