Refer to the Figure Showing the Sleep Pattern of a Patient

question 1

Multiple Choice

Refer to the figure showing the sleep pattern of a patient with depression.
Patients with depression do not exhibit

• A) rapid onset of REM sleep.
• B) increased amounts of REM in the first half of sleep.
• C) difficulty falling asleep.
• D) excessive amounts of stages 3 sleep.

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Definitions:

DC Bus

A common electrical pathway used in DC power systems, linking the power supply, converters, and the loads.

VFD

A Variable Frequency Drive is a motor controller device that operates an electric motor by adjusting the voltage and frequency provided to it.

Rectifier

An electrical device that converts alternating current (AC) to direct current (DC), allowing the flow of charge in one direction only.

Variable Torque

Refers to motors or drives designed to manage varying load torque demands in applications like fans or pumps.