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: Gynaecology & Obstetrics
[{'content': 'True about hot flush is all except \nSelect and explain. \nA. Hot flush lasts for 1 to 5 minutes., B. Skin temperature rises due to peripheral vasodilation., C. Systolic blood pressure drops., D. Heart rate rises.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: SBP increases (both awake and sleep) during hot flushes.', 'role': 'assistant'}]