Certified Clinical Transplant Nurse (CCTN) 2025 – 400 Free Practice Questions to Pass the Exam

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Which physiological response is associated with increasing intracranial pressure?

Bradycardia

The physiological response linked to increasing intracranial pressure is bradycardia. This response can occur due to the body's mechanisms attempting to compensate for elevated pressure within the skull. When intracranial pressure rises, the brain may experience reduced blood flow, which can trigger the baroreceptor reflex. This reflex aims to maintain cerebral perfusion and can lead to a slowing of the heart rate, known as bradycardia.

This phenomenon is often part of Cushing's triad, a classic set of signs that occur in response to increased intracranial pressure, which also includes hypertension and irregular respirations. Understanding this relationship is vital in clinical settings to monitor potential complications following brain injury or other conditions that might elevate intracranial pressure.

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Tachycardia

Hypertension

Hypotension

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