CSF Is found in between:
Correct answer: B. Pia mater and arachnoid mater
- A. Pia mater and dura mater
- B. Pia mater and arachnoid mater
- C. Grey matter and pia mater
- D. Dura mater and grey mater
Explanation
Cerebrospinal fluid (CSF) is a clear, colorless liquid that fills and surrounds the brain and the spinal cord and provides a mechanical barrier against shock. It occupies the subarachnoid space (between the arachnoid mater and the pia mater) and the ventricular system around and inside the brain and spinal cord. Formed primarily in the ventricles of the brain, the cerebrospinal fluid supports the brain and provides lubrication between surrounding bones and the brain and spinal cord. When an individual suffers a head injury, the fluid acts as a cushion, dulling the force by distributing its impact.
This question appeared on the ETEA MDCAT 2015 paper, which you can sit online with every answer explained.
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