The Normal Pacemaker of the Heart Is the _____ Node

question 53

Multiple Choice

The normal pacemaker of the heart is the _____ node, which is found in the _____ atrium, and has an intrinsic firing rate of _____ beats/min.

• A) sinoatrial; left; 40 to 60
• B) sinoatrial; right; 60 to 100
• C) atrioventricular; left; 20 to 40
• D) atrioventricular; right; 100 to 180

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Definitions:

Academic Behavior

Conduct and actions related to participation in academic settings, affecting learning and achievement.

Social Behavior

The interaction and communication among individuals within a society, including cooperation, competition, and conflict, influenced by societal norms and cultural backgrounds.

Concept of Control

In experiments, the practice of minimizing external variables that could affect the outcome, to ensure that the results are due to the variable being tested.

Differential Diagnosis

The process of distinguishing a specific disease or condition from others that have similar clinical features.