This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
A rapidly destructive infection of nose and paranasal sinuses in diabetics is: 
Select and explain. 
A. Histoplasmosis, B. Sporotrichosis, C. Mucormycosis, D. Sarcoidosis
C: Mucormycosis
Answer: C: Mucormycosis 
Explanation: Mucormycosis It is a fungal infection of nose and paranasal sinuses which may prove rapidly fatal. It is seen in uncontrolled diabetes or in those taking immunosuppressive drugs Ref Dhingra 6/e,p 159