CAMRT Radiography Practice Exam

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Hydrocephalus can be caused by which of the following?

  1. Congenital abnormality

  2. Trauma of the head

  3. Blockage of the cranial blood vessel

  4. Blockage of the drainage of CSF

The correct answer is: Blockage of the drainage of CSF

Hydrocephalus is a condition characterized by an accumulation of cerebrospinal fluid (CSF) within the ventricles of the brain, which can happen due to a blockage in the drainage pathways of the CSF. This blockage can lead to increased pressure and can result in various neurological issues. When considering the other options, a congenital abnormality can also lead to hydrocephalus since structural defects in the brain can hinder normal CSF flow. Trauma to the head can result in swelling or other changes in the brain that may also block CSF pathways. A blockage of cranial blood vessels generally does not directly cause hydrocephalus, as it primarily impacts blood circulation rather than the drainage of CSF. Thus, focusing on the blockage of CSF drainage is pivotal in understanding the main mechanism behind hydrocephalus. Your choice highlights a key factor in the pathophysiology of the condition.

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