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
All of the following are antifungal drugs inhibit ergosterol biosynthesis EXCEPT 
Select and explain. 
A. Ketoconazole, B. Fluconazole, C. Amphotericin B, D. None of these
C: Amphotericin B
Answer: C: Amphotericin B 
Explanation: Ref-KDT 6/e p757,758 Amphotericin B does not inhibit ergosterol synthesis , instead it binds with ergosterol to form pored in the fungal cell membranes