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: Pathology
[{'content': 'A 45 year old male patient complains of blurred vision. Patient has a habit of smoking and is chronic alcoholic. Investigations reveal that plasma homocysteine level is 80µmol/L. Which type of thrombosis can occur in this patient \nSelect and explain. \nA. Arterial, B. Venous, C. Both 1 and 2, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hyperhomocystinemia is the only mixed disorder, which can cause both venous and arterial thrombosis.', 'role': 'assistant'}]