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How would you describe a resting heart rate of 120 bpm?

  1. Bradycardia

  2. Normal sinus rhythm

  3. Tachycardia

  4. Junctional rhythm

The correct answer is: Tachycardia

A resting heart rate of 120 beats per minute (bpm) is classified as tachycardia. Tachycardia refers to a heart rate that exceeds the normal resting rate, which typically ranges from 60 to 100 bpm for adults. When the heart rate is consistently elevated over this threshold, it can indicate increased physical activity, stress, or potential underlying health issues. In a clinical context, differentiating between normal heart function and abnormal conditions is essential, and understanding heart rates helps in this assessment. A resting heart rate of 120 bpm can signal medical professionals to investigate for potential causes, such as anxiety, fever, dehydration, or heart conditions. Therefore, recognizing a heart rate in this range is crucial for proper health evaluations and interventions.