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Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

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Section
BuyFindarrow_forward

Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909
Textbook Problem

Most sleep study epochs are

A. 10 seconds in duration

B. 20 seconds in duration

C. 30 seconds in duration

D. 60 seconds in duration

Summary Introduction

Introduction:

An epoch is a form of sleep study which is also known as polysomnogram. It involves recording time measurements during sleep and different phases of sleep. The epoch can be studied by using various multiple physiological variables.

Explanation

Justification/ Explanation for the correct answer:

Option (c) is, ‘30 seconds in duration.’ The physiological barriers used in a sleep study epoch are electroencephalogram (EEG-measures electrical activity of the brain), electro-oculogram (EOG-measures eye movement), and electromyogram (EMG-measures muscular movement. The epoch for a sleep study is recorded every 30 seconds. Hence, option (c) is correct.

Explanation for the incorrect answer:

Option (a) is, ‘10 seconds in duration.’ The sleep study epochs are recorded every 30 seconds...

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