This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: mycology, Subject name: Microbiology
True about Mucormycosis is 
Select and explain. 
A. Angioinvasion, B. Lymph invasion, C. Septate hyphae, D. Long term deferoxamine therapy is predisposing factor
A: Angioinvasion
Answer: A: Angioinvasion 
Explanation: Mucormycosis occurs as a systemic infection following dissemination from a primary focus in the upper respiratory tract or nasal cavity. When the lung is the primary site of infection, the fungus may invade the aeries to cause thrombosis and infraction. They have aseptate hyphae. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition