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: Microbiology
A malignant pustule is a term used for: 
Select and explain. 
A. An infected malignant melanoma, B. A carbuncle, C. A rapidly spreading rodent ulcer, D. Anthrax of skin
D: Anthrax of skin
Answer: D: Anthrax of skin 
Explanation: Ans. (d) Anthrax of skin Cutaneous anthrax is also known as Hide Poer's disease or malignant pustule.