A nurse plans care for the patient with increased intracranial pressure with the knowledge that the best way to position the patient is to
maintain patient in Trendelenburg position
use a continuous-rotation bed to continuously change patient position
elevate the head of the bed to 30 degrees
keep the head of the bed flat
The Correct Answer is C
A. Trendelenburg position (head lower than feet) can increase intracranial pressure and is contraindicated.
B. Continuous rotation may increase ICP due to frequent position changes and is generally avoided.
C. Elevating the head of the bed to 30 degrees promotes venous drainage from the brain, helping reduce intracranial pressure while maintaining cerebral perfusion.
D. Keeping the head flat can impair venous drainage and increase ICP.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. 20-30 mmHg is above the normal range and indicates elevated ICP, which can be dangerous.
B. 40-50 mmHg is critically high and requires urgent medical intervention.
C. 50-100 mmHg is dangerously high and not compatible with normal brain function.
D. Normal intracranial pressure ranges from 5 to 15 mmHg. Values within this range indicate normal pressure within the skull, allowing for proper brain perfusion and function.
Correct Answer is A
Explanation
A. Ischemia and neuronal death – Cerebral perfusion pressure (CPP) is the pressure needed to ensure adequate blood flow to the brain. If CPP drops too low, the brain doesn't receive enough oxygen and glucose, leading to ischemia and eventually neuronal death.
B. Improved cognitive function – Low CPP results in decreased oxygen and nutrient delivery, which impairs cognitive and neurological function.
C. Increased blood flow to the brain – Low CPP means reduced blood flow, not increased.
D. Undetectable intracranial glucose levels – While glucose delivery may decrease, levels are not necessarily undetectable and this is not the primary concern with low CPP.
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