A cause of hydrocephalus in subarachnoid hemorrhage is: A) scarring of meninges and impairment of CSF resorption. B) choroid plexus injury. C) impairment of CSF flow through the ventricles. D) vasoconstriction related to CO₂ changes in the cerebral circulation.

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Subarachnoid hemorrhage can cause scarring of meninges and impair the resorption of cerebrospinal fluid, leading to hydrocephalus. Other options, such as choroid plexus injury, impaired CSF flow through the ventricles, and vasoconstriction related to CO₂ changes in the cerebral circulation, may also contribute to hydrocephalus, but scarring of meninges is more commonly associated with the condition.

A Cause of Hydrocephalus in Subarachnoid Hemorrhage Is