1. Which is a method of disinfection, but not sterilization? A. autoclaving B. g
ID: 209875 • Letter: 1
Question
1. Which is a method of disinfection, but not sterilization?
A. autoclaving
B. gamma rays radiation
C. inceneration
D. boiling
2. Control of microbial population refers to
A. the mechanical removal of all forms microbial life
B. the elimination of all microbes in an object, living tissue or solution.
C. encouraging microbial growth in an object, living tissue, or solution.
D. decreasing or eliminating microbial numbers in an object, living tissue, or solution.
3. The action of some antimicrobial solutions can be made less effective by the presence of organic matter: blood, dirt, grease, etc.
A. True
B. False
4. Which steps are likely to make an antimicrobial solution more effective?
A. Washing the area do be treated first in order to eliminate organic matter
B. Using a high pH solution
C.Warming the solution before using
D.A and C
5. Critical items like need to be sterilized, or disinfected with non-toxic compounds
A. True
B. False
6. Which does not result in sterilization?
A. boiling for 30 minutes
B. UHT pasteurization
C. autoclaving for 121 C at 15 psi for 15 minutes
D. dry oven for 200C for 1.5 hrs.
Explanation / Answer
1.
Autoclaving, inceneration, boiling are the processes which completely sterilize the object.
Only gamma rays radiation is the process in which only the surface is disinfected but not sterilized.
Option b is the answer.
2.
Control of microbial population refers to a decreasing or eliminating of microbes on any thing.
Option d is the answer
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