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: Medicine
[{'content': 'Consequences of obstructive sleep apnea are all except \nSelect and explain. \nA. Pulmonary vasoconstriction, B. Systemic Hypertension, C. Parasympathetic hyper stimulation, D. Polycythemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Obstructive sleep apnea sympathetic hyper stimulation.', 'role': 'assistant'}]