During Which Stage of Sleep Does a Person Disengage from the Environment

question 18

Multiple Choice

During which stage of sleep does a person disengage from the environment?

• A)1
• B)2
• C)3
• D)4

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Definitions:

Phrenic Nerve

A nerve that originates in the neck and descends to the diaphragm, playing a crucial role in breathing by controlling the diaphragm's movements.

Hypoglossal

Pertaining to the twelfth cranial nerve, which controls the muscles of the tongue and is essential for swallowing and speech.

Tongue Muscle

Muscles within the tongue that allow for its movements necessary for speech, food manipulation, and swallowing.

Brachial Plexus

A network of nerve fibers, running from the spine, formed by the ventral rami of the lower four cervical nerves and the first thoracic nerve that supplies the arm and hand.