This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Visceral leishmaniasis - 
Select and explain. 
A. Caused by L.tropica, B. Post-leishmaniasis dermatitis is common, C. Antimonials are useful drugs, D. Diagnosed by blood smear
C: Antimonials are useful drugs
Answer: C: Antimonials are useful drugs 
Explanation: sodium stiboglucnate given intravenously It is a pentavalent antimonial compound Antimony resistance has become a serious problem ( refer pgno: 42 baveja 3 rd edition )