This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthetic equipments, Subject name: Anaesthesia
The bronchoscope is best sterilized with 
Select and explain. 
A. Ethylene oxide, B. 2% Glutaraldehyde, C. Betadine, D. Infrared radiation
B: 2% Glutaraldehyde
Answer: B: 2% Glutaraldehyde 
Explanation: A fiberoptic scope like bronchoscope, the flexible laryngoscope should be sterilized with 2% glutaraldehyde.