This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following statements about Nutritional surveillance is not true - \nSelect and explain. \nA. It is diagnostic approach, B. Assessment involves precise measurements of weight and height, C. Assessment is done by trained persons, D. Done in all children <5 years', 'role': 'user'}, {'content': "Answer: D \nExplanation: Nutritional surviellance is done in representative ages at longer intervalsREF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-602.", 'role': 'assistant'}]