Magnetic Resonance Imaging (MRI) Practice Test

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What issue could arise from a blockage at the aqueduct of Sylvius?

Hemorrhagic stroke
Hydrocephalus
Dementia
Seizures

The correct answer is: Hydrocephalus

A blockage at the aqueduct of Sylvius can lead to hydrocephalus, which is characterized by an accumulation of cerebrospinal fluid (CSF) within the ventricles of the brain. The aqueduct of Sylvius is a narrow channel connecting the third ventricle to the fourth ventricle, allowing for the circulation of CSF. When this pathway becomes obstructed, it prevents the normal drainage of CSF, causing increased pressure and enlargement of the ventricles. This can result in various neurological symptoms and complications, including headaches, nausea, cognitive difficulties, and in severe cases, impaired vision or walking difficulties. Understanding this connection is crucial in recognizing the potential consequences of a blockage in this specific area of the brain.