In Cases of Noncommunicating Hydrocephalus,why Does Excess Cerebrospinal Fluid Accumulate

question 25

Multiple Choice

In cases of noncommunicating hydrocephalus,why does excess cerebrospinal fluid accumulate?

• A)Absorption of CSF through the arachnoid villi is impaired.
• B)Excessive amounts of CSF are produced in the ventricles.
• C)An obstruction is present in the aqueduct of Sylvius or other channel.
• D)Flow around the spinal cord is blocked.