Select the statements that accurately describe cerebrospinal fluid (CSF) or its

Question

Select the statements that accurately describe cerebrospinal fluid (CSF) or its functions in the central nervous system (CNS).

Select the statements that accurately describe cerebrospinal fluid (CSF) or its functions in the central nervous system (CNS). CSF delivers nutrients to neural tissue. CSF is a clear, waterlike fluid that circulates in and around the brain and spinal cord. CSF provides buoyancy that allows the brain to float in the skull. CSF prevents substances such as proteins and antibiotic drugs from entering the brain.

Explanation / Answer

Cerebrospinal fluid is present in the sub arachnoid spaces of brain and spinal cord. It is secreted by the choroid plexus of the ventricles of the brain. CSF is a clear, water like fluid and it delivers nutrients to the neural tissue. It also provides buoyancy that allows brain to float in the skull. Therefore, the correct statements are options 1, 2 and 3.

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