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 vasomotor centre activity, B. Increase in discharge of carotid sinus afferent nerves, C. Decreased hea rate and blood pressure, D. Baroreceptor adaptation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. Increase in vasomotor centre activityClamping of the carotid aeries proximal to the carotid sinus elevates the blood pressure and hea rate because the procedure lowers the pressure in the carotid sinus (Baroreceptor reflex', 'role': 'assistant'}]