Sterilization and disinfection -
CST EXAM QUESTIONS AND
VERIFIED CORRECT
ANSWERS GRADED A+
[LATEST] 100% GUARANTEED
PASS
All of the following statements regarding instruments sets are true EXCEPT:
A- instruments must be placed in perforated trays
B- heavy instruments are placed on the bottom
C- all instruments must be closed
D- all detachable parts must be disassembled - CORRECT ANSWER-C- all instruments must be
closed
Which of the following statements regarding the sterilization of basin sets is TRUE:
A- basins must be separated by a porous material if they are nested
B- sponges and linen may be packaged inside the basin to be sterilized
C- basins are placed flat in the autoclave
D- basins must always be placed on the top shelf of the autoclave in the combine load -
CORRECT ANSWER-A- basins must be separated by a porous material if they are nested
Why would gas sterilization be chosen over steam sterilization?
A- it is less expensive
B- it is less damaging to items
C- it is faster
,D- it is more effective - CORRECT ANSWER-B- it is less damaging to items
The chemical agent used in gas sterilization is:
A- ethylene glycol
B- ethacrynate sodium
C- Ethyl chloride
D- ethylene oxide - CORRECT ANSWER-D- ethylene oxide
What chemical system uses peracetic acid as the sterilant?
A- ozone gas sterilization
B- steris
C- sterrad
D- vapor phase sterilization - CORRECT ANSWER-B- Sterris
The lumen of a tubing undergoing ethylene oxide (EO) sterilization is:
A- well lubricated
B- dried thoroughly
C- prepared with a residual of distilled water
D- prepared with NaCl flush - CORRECT ANSWER-B- dried thoroughly
The commercial name for glutaraldehyde is:
A- peracetic acid
B- phenol
C- quats
D- cidex - CORRECT ANSWER-D- cidex
, A 30 minute, single use, sterilization system useful for endoscopes is:
A- steris
B- ETO
C- steam under pressure
D- cold sterilization - CORRECT ANSWER-A- sterris
Which of the following is essential when using shelf of the autoclave in a combined load-
activated glutaraldehyde for sterilization?:
A- items must be rinsed thoroughly in sterile water before use
B- the solution must be heated in order to be effective
C- the items must be thoroughly moistened before placement in solution
D- the item must be air dried before use - CORRECT ANSWER-A- items must be rinsed
thoroughly in sterile water before use
What is the shelf life of cidex ?
A- 14 days
B- 7 days
C- 1 month
D- indefinite - CORRECT ANSWER-A- 14 days
In which procedure would the use of a high level disinfectant be acceptable instrument
preparation?
A- suction lipectomy
B- tracheotomy
C- cystoscopy
D- mediastinoscooy - CORRECT ANSWER-C- cystoscopy
CST EXAM QUESTIONS AND
VERIFIED CORRECT
ANSWERS GRADED A+
[LATEST] 100% GUARANTEED
PASS
All of the following statements regarding instruments sets are true EXCEPT:
A- instruments must be placed in perforated trays
B- heavy instruments are placed on the bottom
C- all instruments must be closed
D- all detachable parts must be disassembled - CORRECT ANSWER-C- all instruments must be
closed
Which of the following statements regarding the sterilization of basin sets is TRUE:
A- basins must be separated by a porous material if they are nested
B- sponges and linen may be packaged inside the basin to be sterilized
C- basins are placed flat in the autoclave
D- basins must always be placed on the top shelf of the autoclave in the combine load -
CORRECT ANSWER-A- basins must be separated by a porous material if they are nested
Why would gas sterilization be chosen over steam sterilization?
A- it is less expensive
B- it is less damaging to items
C- it is faster
,D- it is more effective - CORRECT ANSWER-B- it is less damaging to items
The chemical agent used in gas sterilization is:
A- ethylene glycol
B- ethacrynate sodium
C- Ethyl chloride
D- ethylene oxide - CORRECT ANSWER-D- ethylene oxide
What chemical system uses peracetic acid as the sterilant?
A- ozone gas sterilization
B- steris
C- sterrad
D- vapor phase sterilization - CORRECT ANSWER-B- Sterris
The lumen of a tubing undergoing ethylene oxide (EO) sterilization is:
A- well lubricated
B- dried thoroughly
C- prepared with a residual of distilled water
D- prepared with NaCl flush - CORRECT ANSWER-B- dried thoroughly
The commercial name for glutaraldehyde is:
A- peracetic acid
B- phenol
C- quats
D- cidex - CORRECT ANSWER-D- cidex
, A 30 minute, single use, sterilization system useful for endoscopes is:
A- steris
B- ETO
C- steam under pressure
D- cold sterilization - CORRECT ANSWER-A- sterris
Which of the following is essential when using shelf of the autoclave in a combined load-
activated glutaraldehyde for sterilization?:
A- items must be rinsed thoroughly in sterile water before use
B- the solution must be heated in order to be effective
C- the items must be thoroughly moistened before placement in solution
D- the item must be air dried before use - CORRECT ANSWER-A- items must be rinsed
thoroughly in sterile water before use
What is the shelf life of cidex ?
A- 14 days
B- 7 days
C- 1 month
D- indefinite - CORRECT ANSWER-A- 14 days
In which procedure would the use of a high level disinfectant be acceptable instrument
preparation?
A- suction lipectomy
B- tracheotomy
C- cystoscopy
D- mediastinoscooy - CORRECT ANSWER-C- cystoscopy
