This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Most common cause of meningitis in alcoholics is 
Select and explain. 
A. Klebsiella, B. Staphylococcus, C. Pneumococcus, D. Haemophilus
C: Pneumococcus
Answer: C: Pneumococcus 
Explanation: Meningitis results only when host resistance is lowered by contributory factors such as respiratory viral infections, pulmonary congestion, stress, malnutrition, immunodeficiency or alcoholism. Splenectomy and sickle cell disease are impoant predisposing conditions. Ref: Textbook of microbiology; Ananthanarayan and paniker's; Pg:227