This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: D.O.C, Subject name: Pharmacology
Drug of choice for Treponema Pallidum is? 
Select and explain. 
A. Penicillin G, B. Tetracycline, C. Azithromycin, D. Doxycycline
A: Penicillin G
Answer: A: Penicillin G 
Explanation: ANSWER: (A) Penicillin GREF: Microbiology, Volume 2; Volume 9, Part 2 edited by E. Edward Bittar, Neville Bittar p; 241See APPENDIX-65 for "SEXUALLY TRANSMITTED DISEASES""Parenteral penicillin G remains the treatment of choice for syphilis (Treponema pallidu and resistance to penicillin has not been reported"