This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Risk of Pneumococcal meningitis is seen in : 
Select and explain. 
A. Post splenectomy Patient, B. Patient undergone neurosurgical intervention, C. Patient following cardiac surgery, D. Patient with hypoplasia of lung
A: Post splenectomy Patient
Answer: A: Post splenectomy Patient 
Explanation: Ans. is 'a' i.e. Post Splenectomy Patient In table 138-1 p 884 a list of conditions commonly predisposing to pneumococcal infection is given.The list is very long and its not possible to memorize it so I will pick out some important ones for you.Conditions predisposing to pneumococcal infectionsLymphomaMultiple myeloma*Common variable hypogammaglobulinemiaCLLSickle cell disease,* hypersplenia, Asplenia, Splenectomy*Renal insufficiency*Diabetes mellitus*Glucocorticoids administration*Infection with HIVCirrhosis*