Which instrument is used to monitor heart rate, breathing, and blood pressure, reflecting autonomic nervous system activity?

Emotions MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Emotionspsychology-mcqs › emotions
Published
24 Aug 2023
Last updated
28 May 2026

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Explanation

A polygraph is a device that simultaneously records physiological indicators such as heart rate, respiration, and blood pressure, which are associated with autonomic arousal. The other options measure different physiological signals: electromyocardiograph records muscle and heart activity, galvanic response meter measures skin conductance, and electroencephalograph records brain waves.

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