All of the following infections may be transmitted be dental instruments except____________?

Related Mcqs:

1. Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?

   A. wall
   B. nucleus
   C. membrane
   D. Capsule

2. High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?

   A. Have less marginal breakdown
   B. Are workable at lower Hg-alloy ratio
   C. Have a higher ratio of tensile to compressive strength
   D. Have less resistance to tarnish and corrosion

3. Powders of dental plaster and dental stone differ mainly in____________?

   A. Solubility
   B. Shelf life
   C. Chemical formula
   D. Particle porosity

4. The main difference between dental stone and dental plaster is______________?

   A. Chemical composition
   B. Self life
   C. Sharpe and size of particles
   D. Solubility in water

5. The American dental association (ADA) specification number for non-aqueous elastomeric dental impression material is______________?

   A. 19
   B. 20
   C. 21
   D. 26

6. Injection abscesses due to use of contaminated vaccines occurs in infections caused by_______________?

   A. M. Kansasii
   B. M. ulcerans
   C. M. chelonae
   D. M. smegmatis

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

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

8. Organism most frequently associated with urinary tract infections is_________________?

   A. Neisseria gonorrhea
   B. Escherichia coli
   C. T-strain mycoplasma
   D. Streptococcus fecalis

9. Which disease are infections but not communicable ?

   A. Measles
   B. Mumps
   C. Scarlet fever
   D. Tetanus

10. Which of the following is not transmitted by lice ?

    A. Trench fever
    B. Relapsing fever
    C. Q fever
    D. Epidemic typhus