What is the normal range for intracranial pressure (ICP)?
20-30 mmHg
40-50 mmHg
50-100 mmHg
5-15 mmHg
The Correct Answer is D
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
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.
Correct Answer is D
Explanation
A. Loss of consciousness may occur with concussion, but "translucent dreaming" is not a recognized symptom.
B. The Glasgow Coma Scale (GCS) score ranges from 3 to 15; a score of 20 is not possible.
C. Nuchal rigidity is a sign of meningeal irritation, not typically seen with concussion.
D. Sensitivity to touch (allodynia) or light sensitivity (photophobia) can occur after a concussion as part of the post-concussive symptoms.
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