The Mechanism Responsible for Initiating Ectopic Beats in the Heart

question 20

Multiple Choice

The mechanism responsible for initiating ectopic beats in the heart is

• A) the reentry phenomenon.
• B) the refractory phenomenon.
• C) bidirectional block.
• D) automaticity.

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Definitions:

Detachment Category

A classification in psychology used to describe a level of emotional disconnection from a person or situation.

DSM-5

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, a comprehensive classification of mental disorders published by the American Psychiatric Association.

Anxiousness

An emotion of concern, apprehension, or discomfort regarding an event whose result is not yet known.

Obsessive-compulsive Personality Disorder

A personality disorder characterized by preoccupation with orderliness, perfectionism, and control, at the expense of flexibility, openness, and efficiency.