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': 'The hea sound associated with the mitral valve is best heard? \nSelect and explain. \nA. In the jugular notch, B. In the second left intercostal space, C. In the second right intercostal space, D. In the fifth left intercostal space', 'role': 'user'}, {'content': "Answer: D \nExplanation: The four valves of the hea can be auscultated at very distinct spaces. The mitral valve can be auscultated in the left 5th intercostal space, slightly below the nipple. The aoic valve can be auscultated in the 2nd right intercostal space, just lateral to sternal angle. The pulmonary valve can be auscultated in the 2nd left intercostal space, just lateral to sternal angle. The tricuspid valve can be auscultated in the 4th left intercostal space, just lateral to sternum. Ref: Barrett K.E., Barman S.M., Boitano S., Brooks H.L. (2012). Chapter 30. The Hea as a Pump. In K.E. Barrett, S.M. Barman, S. Boitano, H.L. Brooks (Eds),Ganong's Review of Medical Physiology, 24e.", 'role': 'assistant'}]