<prompt> Glutaraldehyde is used for all of the following EXCEPT:BronchoscopeThermometerProctoscopesEndoscopic tubes  <response>: Ref: Textbook of Diagnostic Microbiology, E-book, P 67 High level of disinfectant: 2 glutaraldehyde for 20 minutes for all instruments coming in contact with mucous membrane. Like bronchoscope, proctoscope, endoscopic tubes, etc. Intermediate level of disinfectant: Phenol or alcohol is used to disinfect thermometer. Low level of disinfectant: Lysol for floors and fabrics. 