This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'A patient had an inferior wall myocardial infarction andwasmshock-Thereasonfohepatientbeing in shock is- \nSelect and explain. \nA. Mitral regurgitation, B. Infarction causing septal defect, C. Right ventricular infarction, D. Deceased ejection fraction from left ventricle', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref: R Alagappan - Manual of Practical Medicine 4th Edition.pg no:184 <img alt="" src=" />', 'role': 'assistant'}]