This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
All of the following are the therapeutic uses of penicillin G EXCEPT : 
Select and explain. 
A. Bacterial meningitis, B. Rickettsial infection, C. Syphilis, D. Anthrax
B: Rickettsial infection
Answer: B: Rickettsial infection 
Explanation: Penicillin is used for:
L - Listeria
A - Actinomycosis
S - Syphilis
T - Tetanus
M - Meningococcal meningitis 
AN - Anthrax