During Which Stage of Sleep Are the Major Postural Muscles

question 45

Multiple Choice

During which stage of sleep are the major postural muscles most relaxed?

• A) stage 2
• B) stage 3
• C) stage 4
• D) REM sleep

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Definitions:

Syndiotactic Polypropylene

A type of polypropylene where the methyl groups are arranged in a regular alternating pattern on opposite sides of the polymer backbone.

Neoprene

A synthetic rubber, chemically known as polychloroprene, used in a wide variety of applications, such as in wetsuits and laptop sleeves.

Monomer Structure

The fundamental unit that binds chemically to other molecules to form a polymer.

Atactic Polystyrene

A form of polystyrene where the phenyl groups are randomly arranged, resulting in an amorphous material with no regularity in its structure.