Dry heat destroys microorganisms by_____________?

Related Mcqs:

1. The term animalcules to oral microorganisms is given by__________________?

   A. Wd miller
   B. Leumenhoek
   C. Robertson
   D. Socranci

2. Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?

   A. Cocci
   B. Spirochetes
   C. Bacteriophages
   D. Filamentous rods

3. Inactivated microorganisms are used in the manufacture of which of the following________________?

   A. Salk vaccine
   B. Tetanus toxoid
   C. Sabin’s oral vaccine
   D. All of the above

4. Abscess formation is particularly characteristic of infections with which of the following microorganisms:_____________?

   A. Viruses
   B. Rickettsiae
   C. Streptococci
   D. Staphylococci

5. Acute osteomyelitis is most frequently caused by which of the following microorganisms?

   A. Gonococcus
   B. Enterococcus
   C. Streptococcus
   D. Staphylococcus

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. Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?

   A. using Bacillus stearo thermo philus
   B. Using non-pathogenic strain of clostridium tetani
   C. Using chemical indicator
   D. Using methylene blue

8. Hospital dressing is best disposed by_____________?

   A. Incineration
   B. Dumping
   C. Autoclaving
   D. Burying

9. Operation theatres are sterilized by_____________?

   A. Carbolic acid spraying
   B. Washing with soap and water
   C. Formaldehyde fumigation
   D. ETO gas

10. Influenza is caused by_____________?

    A. Orthomyxo virus, which is a DNA virus
    B. Paramyxo virus, which is a RNA virus
    C. Paramyxo virus, which is a DNA virus
    D. Orthomyxo virus, which is a RNA virus