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': 'Clamping of the carotid aeries below (proximal) the carotid sinus is likely to produce \nSelect and explain. \nA. Increase in blood pressure and increase in hea rate, B. Decrease in blood pressure and decrease in hea rate, C. Increase in blood pressure and decrease in hea rate, D. Decrease in blood pressure and increase in hea rate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. Increased HR & BPDue to increased vasomotor center activity.', 'role': 'assistant'}]