This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
False about CSF is 
Select and explain. 
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
D: Major source is arachnoid granulations in superior sagittal sinus
Answer: D: Major source is arachnoid granulations in superior sagittal sinus 
Explanation: 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