When the Heart Is in Fibrillation

question 101

Multiple Choice

When the heart is in fibrillation,

• A) the myocardial cells may become damaged from contracting too fast.
• B) the myocardial cells deplete their oxygen supply because they are contracting too fast, and the lactic acid produced damages the myocardial cells.
• C) effective pumping of the ventricles ceases because the myocardial cells fail to work as a team, and the brain cannot get adequate oxygen.
• D) the myocardial cells are contracting together as they should; fibrillation indicates a normal sinus rhythm of 75 beats per minute.
• E) there is no contraction of the myocardium.

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Definitions:

Semantic Priming

A psychological effect in which the understanding or processing of a word is influenced by a prior exposure to a semantically related word or concept.

Episodic Memory

Memory for specific events and experiences.

Automatization

The process by which a skill becomes automatic with practice, requiring less conscious thought and effort to perform.

Spreading Activation

A mechanism within associative networks that explains how information is retrieved in the brain, where thinking about one concept activates related concepts.