This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Emergency Clinical Scenario, Subject name: Medicine
[{'content': 'A patient is admitted with a stab wound in the left anterior chest wall in the parasternal line. Which cardiac chamber is most likely to be injured? \nSelect and explain. \nA. Right atrium, B. Right ventricle, C. Aoa, D. Left ventricle', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Stab wound in the left anterior chest wall in the parasternal line-Right Ventricle is injured', 'role': 'assistant'}]