Instruments may be immersed in which of the following solutions? ...

[B]

Instruments may be immersed in which of the following solutions?
 
  a. Ethyl alcohol
  b. Distilled water
  c. Saline solution
  d. Chlorhexidine

Question 2

What are the levels of disinfection?
 
  a. High level, medium level, end level
  b. High level, intermediate level, low level
  c. High level, semi-high, low level
  d. High level, medium level, low level

[popopong]

Answer to Question 1

ANS: B
Plain, clean demineralized distilled water or an enzymatic may be used. Instruments soaked in an enzymatic soak solution make processing more efficient.

Answer to Question 2

ANS: B
The disinfection levels are classified by the effectiveness of the process. High level kills all bacteria, viruses, and fungi. Intermediate level kills most bacteria, viruses, and fungi. Low level kills most vegetative bacteria, fungi, and the least resistant viruses.