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 antimicrobial agent which inhibits the ergosterol biosynthesis is - 
Select and explain. 
A. Ciprofloxacin, B. Amphotericin B, C. 5-Fluorocytosine, D. Griseofulvin
B: Amphotericin B
Answer: B: Amphotericin B 
Explanation: Ans. is 'b' i.e., Amphoterecin B o In this question most probably the question has been wrongly framed. o None of the drugs given in the question inhibits synthesis of ergosterol. o Anyway, the drugs having any action on ergosterol is Amphotericin B.