Certified Neuroscience Registered Nurse (CNRN) Practice Exam

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What is considered a normal compartment pressure in the human body?

  1. Less than 5 mmHg

  2. Less than 10 mmHg

  3. Less than 15 mmHg

  4. Less than 20 mmHg

The correct answer is: Less than 10 mmHg

A normal compartment pressure in the human body is generally recognized as being less than 10 mmHg. This range is crucial because it reflects normal tissue perfusion and indicates that the compartment is not under excessive pressure that could impede blood flow and lead to ischemia. When compartment pressures exceed this normal range, it can signal the development of conditions such as compartment syndrome, which can result in muscle and nerve damage if not addressed appropriately. Thus, maintaining pressure below 10 mmHg is essential for healthy physiological functioning and is a critical benchmark in assessing compartment pressures in clinical settings.

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