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
Rhinoscleroma is due to which infection? 
Select and explain. 
A. Viral, B. Bacterial, C. Fungal, D. None
B: Bacterial
Answer: B: Bacterial 
Explanation: Rhinoscleroma is a chronic granulomatous disease caused by a gram-negative bacillus called Klebsiella rhinoscleromatis or Frisch bacillus. In India, it is more often in the nohern pas than in the southern pas. (Ref: PL DHINGRA diseases of ear, nose and throat, 7th edition page no 175)