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: Anatomy
Commonest cause of cerebral infarction is 
Select and explain. 
A. Aerial thrombosis, B. Aeritis, C. Venous thrombosis, D. Embolism
A: Aerial thrombosis
Answer: A: Aerial thrombosis 
Explanation: Refer Robbins page no 1263 Infarction is tissue death (necrosis) due to inadequate blood supply to the affected area. It may be caused by aery blockages, rupture, mechanical compression, or vasoconstriction. The resulting lesion is referred to as an infarct (from the Latin infarctus, "stuffed into").