The Alpha Rhythm Is the Most Prominent EEG Pattern When

question 46

Multiple Choice

The alpha rhythm is the most prominent EEG pattern when an adult is

• A)in REM sleep.
• B)in non-REM sleep.
• C)awake and relaxed with eyes open.
• D)awake and thinking hard about something.

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Definitions:

Second Messengers

Molecules that transmit signals from a receptor on the cell surface to target molecules inside the cell, creating a biochemical response.

G Proteins

A family of proteins that act as molecular switches inside cells, involved in transmitting signals from stimuli outside the cell to its interior.

Alpha Subunits

Components of G-protein coupled receptor complexes involved in transmitting signals from a wide variety of receptors into the interior of the cell.

Sympathetic Nervous System

A part of the autonomic nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise blood pressure, commonly activated in response to stress or fear.