This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Surgery
Most common cause of cerebrovascular accident is: 
Select and explain. 
A. Embolism, B. Arterial thrombosis, C. Venous thrombosis, D. Hemorrhage
A: Embolism
Answer: A: Embolism 
Explanation: Ans. (a) Embolism* MC cause of cause of CVA- Ischemia (85% cases) due Embolism (75%) > Thrombosis (25%)* CVA may also be due to hemorrhage (<15%) - Parenchymal, Subarachnoid, Epidural or Subdural hemorrhage* Stroke in young women in India are predisposed by Cortical venous thrombosis due to OCP consumption.