This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
[{'content': 'All of the following are Utilization rates except \nSelect and explain. \nA. Population bed ratio, B. Bed Occupancy rate, C. Bed Turnover ratio, D. Average length of stay', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Heallth Care delivery indicators Health care utilization indicators Doctor-Population ratio Doctor-nurse ratio Population-bed ratio Population per health centre Population per bih attendant % Fully immunized infants % Pregnant women received ANC % Population using contraceptives Bed Occupancy rate Average length of stay Bed turnover ratio Ref: Park 25th edition Pgno: 27', 'role': 'assistant'}]