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
[{'content': 'The term "Tracking" of blood pressure refers to - \nSelect and explain. \nA. 24 hr BP monitoring, B. Identifying children at risk of developing hypeension at future date, C. Pictorial representation of BP, D. BP control with nifedipine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: <p> If blood pressure level of individuals were followed up over a period of years from early childhood into adult life,then those individuals whose pressures were initially high in the distribution,would probably continue in the same &;track&; as adults. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:374. <\\p>', 'role': 'assistant'}]