This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2018, Subject name: Medicine
[{'content': 'Falsely elevated ankle brachial index is used for evaluation of? \nSelect and explain. \nA. Deep vein thrombosis, B. Acute limb ischemia, C. Chronic venous insufficiency, D. Calcified vessels', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ankle brachial index always >1 If <= 0.9 =indicates vascular insufficiency (Berger disease) Option 4- Calcified vessels will upgrade peripheral resistance so develop Pseudo hypeension So, ABI is also |', 'role': 'assistant'}]