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: Anaesthesia
[{'content': 'Fink’s effect is \nSelect and explain. \nA. Also called second gas effect, B. Due to rapid uptake of N2O during induction, C. Due to rapid elimination of N2O during recovery, D. Increase in partial pressure of oxygen during recovery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Fink’s effect is diffusion hypoxia. Rapid elimination of N2O during recovery causes reduction in partial pressure of oxygen leading to hypoxia.', 'role': 'assistant'}]