This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Foramen of Monro connects 
Select and explain. 
A. Lateral ventricle to the third ventricle, B. Both lateral ventricles, C. 3rd to the 4th ventricle, D. Lateral to the 4th ventricle
A: Lateral ventricle to the third ventricle
Answer: A: Lateral ventricle to the third ventricle 
Explanation: Foramen of Monro connects lateral ventricle to third ventricle The CSF is produced mainly in the lateral ventricles, from where it passes through the interventricular foramina(of Monro) into third ventricle.Ref: Clinical Reference - Neuroanatomy Vishram Singh 2nd edition pg 194