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': 'A very high PEEP results in \nSelect and explain. \nA. Hypertension, B. Hypothermia, C. Hypotension, D. Hyperthermia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hypotension is due to diminished central venous blood return to the heart secondary to elevated intrathoracic pressures.', 'role': 'assistant'}]