This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
The drug that should be used for prophylaxis of close contacts of a patient suffering from meningococcal meningitis is 
Select and explain. 
A. Rifampicin, B. Dapsone, C. Erythromycin, D. Amikacin
A: Rifampicin
Answer: A: Rifampicin 
Explanation: Ref-KDT 6/e p729 Rifampicin and ciprofloxacin are used for the prophylaxis of meningococcal meningitis