Which of the Following Occurs in the First Stage of Sleep

question 74

Multiple Choice

Which of the following occurs in the first stage of sleep?

• A)Short runs of rhythmical responses of 12 to 16 hertz
• B)An occasional sharp rise and fall in the amplitude of the entire EEG
• C)Less regular and lower amplitude brain waves
• D)A pattern of slow waves of 1 to 2 hertz

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Definitions:

Muscle Spasm

An involuntary contraction of a muscle or group of muscles, often causing pain.

Back

The posterior part of the human body, extending from the neck to the lower spine.

Intrinsic Muscle

Muscles that are entirely contained within a specific body part or region, responsible for its movements.

Levator Muscle

A group of muscles used in the body for various functions including lifting, such as the Levator ani in the pelvis.