This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
Commonest cause of stroke in our country - 
Select and explain. 
A. Thrombosis, B. Embolism, C. Haemorrhage, D. Infraction
A: Thrombosis
Answer: A: Thrombosis 
Explanation: <p> Cerebral thrombosis is the commonest cause of stroke in India. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:377-78. <\p>