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: Social & Preventive Medicine
[{'content': 'In a given population, total births in a year are 4050. There are 50 still births. 50 neonates die within first 7 days of life whereas the number of deaths within 8-28 days of life is 150. What is the Neonatal mortality rate in the population? \nSelect and explain. \nA. 12.5, B. 50, C. 49.4, D. 62.5', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In the given question,\nTotal neonatal deaths = Total early neonatal deaths + Total late neonatal deaths = 50 + 150 = 200\nTotal live births = Total births – Total stillbirths = 4050 – 50 = 4000\nThus, Neonatal mortality rate,\nNNMR = 200/4000 × 1000 = 50 per 1000 live births.', 'role': 'assistant'}]