In Patients with Closed-Head Injuries, What May Happen If the Patient

question 46

Multiple Choice

In patients with closed-head injuries, what may happen if the patient has hypercapnia?

• A)High CO₂ increases the risk of psychotic events.
• B)High CO₂ levels cause cerebral vasodilation and improved oxygenation.
• C)Severe cerebral vasoconstriction results in anoxia and stroke.
• D)Vasodilation causes increased intracranial pressure and possibly stops blood flow.

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