This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Consequences and Complications of Splenectomy, Subject name: Surgery
[{'content': 'Which is the commonest Post splenectomy infection : \nSelect and explain. \nA. Streptococcus pyogenes, B. Staphylococcus aureus, C. Stseptococcus Pneumonia, D. Pseudomonas aeruginosa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans is \'c\' ie. Streptococcus Streptococcus pneumoniae is the most common inf. in post splenectomy patient.Schwartz 9/e writes -"The most common causal organism, accounting for as many as 50 to 90% of all OPSI cases, remains pneumococcus. Meningococcus, H. influenzae type B, and group A streptococci follow in order of frequency. "Other organisms common in post splenectomy patients.Haemophilus influenzae type B Meningococcus Group A streptococci Group B streptococci Enterococcus species Bacteroides species Salmonella species Bartonella speciesCapnocytophaga canimorsus (implicated in OP SI as a sequela of dog bites)BabesiaMalaria', 'role': 'assistant'}]