This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Circulation: Arterial Pressure Regulation - Role of Kidney, Subject name: Physiology
[{'content': 'Swan Ganz Catheter is used to measure - \nSelect and explain. \nA. Mean arterial pressure, B. Cardiac output, C. Blood volume, D. Pulmonary capillary wedge pressure', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Pulmonary capillary wedge pressure o Swan Ganz catheter (pulmonary artery catheter) allows direct and simultaneous measurement of -i) Pulmonary capillary wedge pressure <left atrial pressure).ii) Right atrial pressure.iii) Right ventricular pressure.iv) Pulmonary' artery pressure.", 'role': 'assistant'}]