The optimal time and temperature required for sterilization in an autoclave is___________________?

Related Mcqs:

1. 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

2. Cold sterilization refers to the process of sterilization by use of____________________?

   A. Ultra violet rays
   B. Ultrasonic vibrations
   C. Infrared rays
   D. Gamma rays

3. Cold sterilization refers to the process of sterilization by use of______________?

   A. Ultra violet rays
   B. Ultrasonic vibrations
   C. Infrared rays
   D. Gamma rays

4. 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

5. Steam under pressure in used in ________ sterilization?

   A. Pasteurization
   B. Autoclave
   C. Kochs sterilizer
   D. hot air oven

6. The best sterilization method for a hand-piece is________________?

   A. Ethylene oxide gas
   B. dry heat
   C. chemical vapour
   D. All of the above

7. One of the following statement about statements about sterilization is not true_______________?

   A. Liquid paraffin → Dry heat
   B. Glass syringes → Boiling at 169°C for 60 min
   C. Flash pasteurization of milk → 72° C for 15 seconds, followed quickly by rapid cooling to 13°C for lower
   D. Vaccines → Ethylene oxide

8. Purpose of Sterilization is to eliminate________________?

   A. Bacteria
   B. Viruses
   C. Spore formers
   D. Fungus

9. Sterilization is a process in which_________________?

   A. Kill all pathogenic micro-organisms
   B. Kill all non-pathogenic micro-organisms in the environment
   C. Deactivate all pathogens not spores
   D. Deactivate all spores and dill pathogenic organism

10. The difference between sterilization and disinfection is that_______________?

    A. Disinfection kills all spores but sterilization does not
    B. Sterilization kills all spores but disinfection does not
    C. Sterilization involves chemicals and disinfection involves physical methods
    D. Sterilization is easier to achieve