A Condition in Which the Ventricles Are Unable to Pump

question 103

Multiple Choice

A condition in which the ventricles are unable to pump blood efficiently because of rapid, random contraction of cardiac muscle fibers is called

• A) atrial fibrillation.
• B) congestive heart failure.
• C) pulmonary arterial hypertension.
• D) ventricular fibrillation.

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Definitions:

Parasympathetic Nervous

Part of the autonomic nervous system that restores the body to a state of calm and counterbalances the effects of the sympathetic nervous system.

Sympathetic Nervous

Part of the autonomic nervous system that prepares the body for action by triggering the fight-or-flight response.

Nervous System

An assembly of nerve cells and their fibrous connections that facilitate the transmission of nerve impulses among body regions, synchronizing bodily processes and perception.

Cerebral Cortex

The outer layer of the cerebrum in the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.