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HDP401 Test #2 Exam Review Questions & Answers 100% Verified Solution 2025 A+ Elevated Intracranial Pressure (ICP) - ANS-✔✔cranium is a cavity of limited volume, can't change in size (rigid because made of bone) - if increase in ICP too much leads to compression of blood vessels that supply the cerebral cortex --> decrease in function which leads to cell death if prolonged Small tolerance for Variations in ICP - ANS-✔✔- pressure increases and decreases regularly because the heart contracts. In systole more blood, diastole less blood - if slightly greater increase, some compensation (ex. blow to the head, brain inflammation initially not problem because CSF shifts out of skull into subarachnoid space of spinal cord--> rise pressure forces greater venous flow out
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