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
CSF in meningococcal meningitis shows 
Select and explain. 
A. Gram positive Diplococci in pus cells, B. Gram negative Diplococci in pus cells, C. Gram negative bacilli, D. Gram positive bacilli
B: Gram negative Diplococci in pus cells
Answer: B: Gram negative Diplococci in pus cells 
Explanation: CSF examination in Meningococcal meningitis: one poion of the CSF is centrifuged and gram-stained smears are prepared from the deposit. Meningococci will be seen inside the polymorphs but extracellularly also. Gram-negative diplococci in pus cells are seen. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 232