A(n) _____ is a mechanical device that measures a person's galvanic skin response, heart rate, and breathing rate.
A) polygraph
B) ammeter
C) periscope
D) voltmeter

Question

Quizplus · Accepted Answer

A polygraph is a device commonly known as a lie detector that measures a person's physiological responses, including galvanic skin response, heart rate, and breathing rate, in response to questioning. An ammeter measures electric current, a periscope is an optical instrument used to see over obstacles, and a voltmeter measures electric potential difference.

A(n) _____ Is a Mechanical Device That Measures a Person's