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
A patient with acute inferior wall myocardial infarction hag developed shock. Which of the following is the most likely cause of shock - 
Select and explain. 
A. Cardiac rupture, B. Inteventricular septal perforation, C. Papillary muscle rupture, D. Right ventricular infarction
D: Right ventricular infarction
Answer: D: Right ventricular infarction 
Explanation: Ref: R Alagappan - Manual of Practical Medicine 4th Edition.pg no:188