AACN Certification Practice Test 2025 – Comprehensive Exam Prep

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What is the typical potassium level in the human body?

3.0-4.5

3.5-5.0

The typical potassium level in the human body is indeed within the range of 3.5 to 5.0 milliequivalents per liter (mEq/L). This range is significant because potassium is a vital electrolyte that plays essential roles in various physiological functions, such as maintaining normal cell function, regulating heartbeat, and facilitating muscle contraction and nerve transmission.

Values below this range may indicate hypokalemia, which can lead to muscle weakness, arrhythmias, and other health complications. Conversely, levels above this range can suggest hyperkalemia, potentially resulting in severe cardiac issues. Monitoring and maintaining potassium levels within this typical range is crucial for overall health and is a core component of electrolyte management in clinical settings.

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4.5-6.0

4.0-5.5

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