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: Medicine
[{'content': 'A patient had an inferior wall myocardial infarction and was in shock. The reason for the patient being in shock is:- \nSelect and explain. \nA. Mitral regurgitation, B. Infarction causing septal defect, C. Right ventricular infarction, D. Decreased ejection fraction from left ventricle', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer is C (Right Ventricular infarction) `Right ventricular infarction should be considered whenever a patient with inferior infarction exhibits signs of low cardiac output and raised venous pressure' -- CMDT Mitral regurgitation, decreased ejection fraction and septal defect are features of anterior wall MI.", 'role': 'assistant'}]