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
Causative microorganism of chromo-blastomycosis? 
Select and explain. 
A. Cladosporium, B. Blastomyces, C. Sporothrix, D. Histoplasma capsulatum
A: Cladosporium
Answer: A: Cladosporium 
Explanation: Ans. is 'a' i.e., Cladosporium Chromoblastomycosis (verrucous dermatitis) . It is a subcutaneous mycotic infection of the feet and lower legs. . The etiological agents are soil inhabiting fungi of family dematiaceae. . The fungi responsible are Fonsecae pedrosoi Fonsecae compact= Fonsecae dermatitidis Phialophora verrucosa Cladosporium carrionii . Fungus enters the skin by traumatic implantation. . Lesions consist of way cutaneous nodule which resemble the florets of cauliflower. . F. pedrosoi and P. verrucosa may disseminate to other pas, especially the brain. . Histologically, the lesions show sclerotic cells and copper penny bodies.