This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Physiology
[{'content': 'True about lung compliance: \nSelect and explain. \nA. Ratio of change in volume to pressure, B. Has inspiratory and expiratory component, C. Hysteresis exists, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The difference between the inspiratory and expiratory component of the lung is hysteresis It is due to difference in compliance of lung during inspiration and expiration It is due to difference between concentration of surfactants during inspiration and expiration Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:319,320', 'role': 'assistant'}]