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': 'All of the following are used to assess the nutritional status of an individual, except - \nSelect and explain. \nA. Urinary nitrogen excretion, B. Mid arm circumference, C. Serum immunoglobulin, D. Serum transferrin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Serum immunoglobulin is not a measure to assess the nutritional status. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 586", 'role': 'assistant'}]