The Timing of the Spread of the Action Potential from Atrium

question 42

Multiple Choice

The timing of the spread of the action potential from atrium to ventricle is controlled by

• A) the sinoatrial node.
• B) the atrioventricular node.
• C) modified muscle cells of the conducting system.
• D) systolic contractions.
• E) the ventricular mass.

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Definitions:

Psychological

Pertaining to the mind or mental processes, often relating to mental health and behavior.

Brief Psychotic

Describes a sudden, temporary episode of psychotic behavior, such as hallucinations or delusions, lasting less than a month.

Delusions

False beliefs held with conviction despite evidence to the contrary.

Disorganized Speech

A way of speaking that is incoherent and lacks the normal structure, making it hard for others to understand, often associated with severe mental disorders.