National Certified Addiction Counselor, Level 2 (NCAC II) Practice Exam Exam

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What does bradycardia refer to?

  1. Unusually high heartbeat

  2. Unusually slow heartbeat

  3. Irregular heartbeat

  4. Rapid heartbeat

The correct answer is: Unusually slow heartbeat

Bradycardia specifically refers to an unusually slow heartbeat, typically defined as a resting heart rate of fewer than 60 beats per minute in adults. This condition may indicate various underlying health issues or can be a physiological response to certain states such as increased fitness levels. In contrast, options that describe an unusually high heartbeat, irregular heartbeat, or rapid heartbeat represent conditions known as tachycardia, arrhythmias, and pulse rate elevations, respectively. Understanding bradycardia is important in the context of cardiovascular health, as it can have implications for the efficiency of blood circulation and overall heart function.

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