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: Physiology
[{'content': 'Respiration stops in the last stage of expiration, in forced expiration because of \nSelect and explain. \nA. Respiratory muscle fatigue, B. Collapse of alveoli, C. Dynamic compression of airways, D. Breaking effect of inspiratory muscles', 'role': 'user'}, {'content': 'Answer: C \nExplanation: There is dynamic compression of the small airways during forceful expiration.', 'role': 'assistant'}]