A. using Bacillus stearo thermo philus
B. Using non-pathogenic strain of clostridium tetani
C. Using chemical indicator
D. Using methylene blue
Related Mcqs:
- A veterinary doctor had pyrexia of unknown origin His blood culture in special laboratory media was positive for gram negative short bacilli which was oxidase positive. Which one of the following is the likely organism grown in culture ?
A. Pasturella spp
B. Francisella spp
C. Bartonella spp
D. Brucella spp - The minimum time required for the sterilization of surgical instruments by moist heat at 134°C is__________________?
A. 3 minutes
B. 15 minutes
C. 30 minutes
D. 60 minutes - Cold sterilization refers to the process of sterilization by use of____________________?
A. Ultra violet rays
B. Ultrasonic vibrations
C. Infrared rays
D. Gamma rays - Cold sterilization refers to the process of sterilization by use of______________?
A. Ultra violet rays
B. Ultrasonic vibrations
C. Infrared rays
D. Gamma rays - A cerebrospinal fluid of a 2 years old child has been sent to the laboratory to detect the presence of capsulated yeast. The staining technique most commonly employed for the purpose is______________?
A. India ink preparation
B. Methanamine silver stain
C. Ziehl-Neelsen stain
D. Pyte-ferraco stain - Sterilisation is______________?
A. Pathogens killed but spores are not affected
B. Only pathogenic micro-organisms killed
C. Non-pathogenic killed
D. All pathogenic and non-pathogenic microorganisms killed - compared with autoclave, use of a dry heat over for sterilization has the following disadvantages______________?
A. Time-consuming
B. Less effective
C. Causes instruments to rust
D. Causes sharp instruments to dull - Disinfection of the rooms can be done by using_______________?
A. 20% phenol
B. High efficiency particle arrestors
C. 40% formaldehyde vapour
D. Chlorine gas - Endoscopes are sterilized by using_______________?
A. Autoclaving
B. Boiling
C. Cidex
D. Gamma radiation - Moist heat kills all of the following EXCEPT_______________?
A. Brucella
B. Mycobacterium
C. Salmonella
D. Coxiella burnetti
