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
The drug of choice for thoracic actinomycosis is- 
Select and explain. 
A. Amphotericin - B, B. Penicillin, C. Cotrimoxazole, D. Itraconazole
B: Penicillin
Answer: B: Penicillin 
Explanation: Ans. is 'b' i.e., Penicillin Penicillin is the drug of choice for all types of actinomycosis.