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
Antifungal drug used for systemic fungal infection is - 
Select and explain. 
A. Griseofulvin, B. Clotrimazole, C. Amphotericin B, D. Econazole
C: Amphotericin B
Answer: C: Amphotericin B 
Explanation: Ans. is 'c' i.e., Amphotericin B