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MBBS QUESTION #10166
Question 1
Cerebrospinal fluid produced by the choroid plexus of the lateral ventricles ultimately returns to the venous circulation mainly via which route?
  • Foramen of Monro directly into venous sinuses
  • Arachnoid granulations projecting into the dural venous sinuses (mainly the superior sagittal sinus)✔️
  • The central canal of the spinal cord
  • The cerebral aqueduct alone
Correct Answer Explanation
CSF flows from the lateral ventricles through the foramina of Monro, third ventricle, cerebral aqueduct, fourth ventricle, and subarachnoid space, and is finally reabsorbed into the dural venous sinuses through the arachnoid granulations/villi.