Autoregulation is defined as:
A) reflex bradycardia that occurs secondary to systemic hypertension.
B) an increase in mean arterial pressure to maintain cerebral blood flow.
C) the forcing of cerebrospinal fluid into the spinal cord as intracranial pressure increases.
D) a decrease in cerebral perfusion pressure that reduces intracranial pressure.
Answer: B) an increase in mean arterial pressure to maintain cerebral blood flow.
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