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
Laparoscopy is sterilized by -- 
Select and explain. 
A. 2% formalin, B. 2% glutaraldehyde, C. Autoclaving, D. Boiling
B: 2% glutaraldehyde
Answer: B: 2% glutaraldehyde 
Explanation: All endoscopes (e.g, laparoscopy) are sterilized by 2% glutaraldehyde (cidex).
2% Glutaraldehyde (cidex) is most one used for equipment such as an endoscope that cannot be sterilized or disinfected by heat.