An experienced intensive care unit nurse is teaching a class of new nurses about the neurological system. What is the best way to describe the purpose of cerebrospinal fluid (CSF) to the class?

  1. Cerebrospinal fluid cushions the brain and the spinal cord
  2. Cerebrospinal fluid maintains cerebral perfusion pressures
  3. Cerebrospinal  fluid transports fluid to the ventricles
  4. Cerebrospinal  fluid develops neurotransmitters
Explanation

Answer: A - The best way to describe the purpose of cerebral spinal fluid is that “cerebral spinal fluid cushions the brain and the spinal cord.” It works to absorb shock and protects the brain from injury.

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