This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Foramen of magendie, drains CSF from which midline structure and exits from it: 
Select and explain. 
A. Third ventricle, B. Fouh ventricle, C. Lateral ventricle, D. All of the above
B: Fouh ventricle
Answer: B: Fouh ventricle 
Explanation: Fouh ventricle is the last ventricle in the cerebellum, its T shaped roof has three apeures which communicates with the subarachonoid space. Foramen of magendi a median apeure is present doraslly in the roof, it communicates with the cisterna magna. Foramen of luschka is a lateral apeure which is present on right and left side. It drains into the cerebellopontine angle cistern. Ref: Human Anatomy By B.D Chaurasia, 4th edition, Vol 3, Page 341