Which of the Descriptions Is Not Descriptive of REM (Rapid

question 42

Multiple Choice

Which of the descriptions is not descriptive of REM (Rapid Eye Movement) sleep?

• A)Visible movements of the eyes resembling those of one tracking the movements of objects in space, watching TV, etc
• B)Difficulty arousing the sleeper
• C)Oxygen consumption decreases by comparison to NREM sleep and in an alert wakeful state
• D)It represents 20-25% of a person's "sleep time"
• E)Skeletal muscle activity is markedly reduced, except for the extraocular and respiratory muscles

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Definitions:

Diencephalon

The diencephalon is a division of the brain located between the cerebrum and the midbrain, comprising structures such as the thalamus and hypothalamus, involved in sensory and neural function.

Basal Nuclei

Groups of neurons located deep within the cerebral hemispheres that are involved in controlling movement and coordination.

Muscular Activity

Physical actions or movements resulting from the contraction and relaxation of muscle groups.

Autonomic Nervous System

A subdivision of the peripheral nervous system that controls bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.