The difference between sterilization and disinfection is that_______________?

Related Mcqs:

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

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

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. Disinfection frees the surface from______________?

   A. Vegetative forms
   B. Spore forms
   C. Both of the above
   D. None of the above

4. Disinfection of the rooms can be done by using_______________?

   A. 20% phenol
   B. High efficiency particle arrestors
   C. 40% formaldehyde vapour
   D. Chlorine gas

5. 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

6. 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

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

   A. 140°C x 2 hrs. x 10 lbs pr.
   B. 121°F x 15 mts. x 15 lbs pr.
   C. 121°F x 15 sec. x 15 lbs pr.
   D. 121°C 15 mts. x 15 lbs pr.

8. 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

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. Hot air oven is used for sterilization of all EXCEPT__________________?

    A. Glassware
    B. Rubber tubes
    C. Sharp instrument
    D. Liquid paraffin