False about CSF is: (A) Total volume 125-150ml, (B) Rate of formation 500ml/day, (C) Absorbed through arachnoid villi, (D) Major source is arachnoid granulations in superior sagittal sinus
Answer is D. Major source- Choroidal plexus of all 4 ventricles, also from ependymal cells of ventricles and brain.Absorbed through arachnoid villi and arachnoid granulations into subdural sinuses, maximum in the superior sagittal sinus