The Following Questions Refer to the Figure Below of an Axial

question 44

Multiple Choice

The following questions refer to the figure below of an axial, T1-weighted MRI of the thoracic spine.
-Which line points to the brachial plexus?

• A) A
• B) B
• C) C
• D) D

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Definitions:

Non-REM Sleep

A restful phase of sleep that progresses through several stages and is characterized by a decrease in physiological activity.

REM Sleep

REM sleep, or Rapid Eye Movement sleep, is a stage of sleep characterized by rapid eye movements, increased brain activity, vivid dreams, and temporary muscle paralysis.

Paradoxical Sleep

Also known as REM (Rapid Eye Movement) sleep, a sleep phase characterized by eye movement, increased brain activity, and vivid dreams.

REM Deprivation

The process of preventing a person from entering Rapid Eye Movement (REM) sleep, a stage of sleep associated with vivid dreaming, which can affect mood and cognitive function.