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Sterilization and disinfection - CST Exam (Latest) 2024 Questions With Complete Solutions!!
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Sterilization and disinfection - CST Exam (Latest) 2024 Questions With Complete Solutions!!
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Name: Score:68 Multiple choice questions
Term 1 of 68
What is the role of moisture in EO sterilization?
- the items will dry out during the process if no humidity is added
- the sterilizer will deteriorate from gas over a period of time if no moisture is added
- dried spores are resistant to the gas, so they must be hydrated
- moisture is not an essential element in gas sterilization
Term 2 of 68
In which procedure would the use of a high level disinfectant be acceptable instrument
preparation?
- suction lipectomy
- tracheotomy
- cystoscopy
- mediastinoscooy
Term 3 of 68
An obligatory parasite is:
- a type of prion
- a type of microorganisms that depends on living tissue to survive
- a type of microorganism that depends on dead tissue to survive facultative parasite
- all of the above
,Term 4 of 68
In a gravity displacement sterilizer, steam enters the chamber through:
- bottom
- bottom, back
- top, back
- top front
Term 5 of 68
Glutaraldehyde is a high-level disinfectant, that is, a sporadically, a bacteriocidal, and a virocid at a
2% concentration for ————, it is Aldo tuberculocidal :
- 10 minutes
- 15 minutes
- 20 minutes
- 40 minutes
Term 6 of 68
How should basins be positioned in the autoclave for sterilization:
- stacked on top of each other
- on their sides
- upside down
- does not matter
, Term 7 of 68
The process of terminal decontamination follows every surgical case. Decontamination of the wall
consists of:
- cleaning all walls up to 3 ft
- clank g all walls up to 1 ft
- spot cleaning when soiled
- always clean with alcohol
Term 8 of 68
All are true regarding a prion EXCEPT:
- Creutzfeldt-Jakob disease
- they contain DNA/RNA
- it is neither viral, bacterial, nor fungal
- when performing surgery on a patient that is infected with a prion, we should use
disposable instruments
Term 9 of 68
New infectious diseases emerging in the US include:
- SARS
- West Nile virus
- avian influenza
- all of the above
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