#1
Which of the following is NOT a sterilization method?
Pasteurization
ExplanationPasteurization is a method for reducing microbial load in food, not sterilization.
#2
What is the most common temperature for autoclaving?
121°C
Explanation121°C is the standard temperature for autoclaving, ensuring effective sterilization.
#3
Which of the following is NOT a type of sterilization indicator?
Mechanical indicator
ExplanationMechanical indicators don't measure sterilization parameters; they only show physical changes.
#4
What is the purpose of pre-sterilization cleaning?
To remove debris and organic matter
ExplanationPre-sterilization cleaning removes debris and organic matter to enhance sterilization effectiveness.
#5
Which of the following is a physical sterilization method?
Filtration
ExplanationFiltration physically removes microorganisms, making it a physical sterilization method.
#6
Which sterilization method is suitable for heat-sensitive materials?
Ethylene oxide sterilization
ExplanationEthylene oxide sterilization is used for materials sensitive to heat.
#7
What is the purpose of biological indicators in sterilization?
To verify the effectiveness of the sterilization process
ExplanationBiological indicators confirm if sterilization has effectively killed microorganisms.
#8
What is the recommended minimum exposure time for ethylene oxide sterilization?
30 minutes
Explanation30 minutes is the standard exposure time for ethylene oxide sterilization.
#9
Which of the following is an advantage of gamma radiation sterilization?
Leaves no toxic residue
ExplanationGamma radiation sterilization doesn't leave behind toxic residues.
#10
What does the term 'Aseptic Technique' refer to?
A method to prevent contamination during handling of sterile materials
ExplanationAseptic Technique prevents contamination when handling sterile materials.
#11
Which of the following factors can affect the effectiveness of sterilization?
All of the above
ExplanationVarious factors such as time, temperature, and pressure influence sterilization effectiveness.
#12
What is the purpose of a HEPA filter in sterilization equipment?
To remove microorganisms from the air
ExplanationHEPA filters eliminate microorganisms from the air during sterilization.
#13
What is the purpose of a Bowie-Dick test?
To test the effectiveness of air removal in autoclaves
ExplanationThe Bowie-Dick test verifies the efficiency of air removal in autoclaves.
#14
Which of the following factors can affect the penetration of sterilizing agents?
All of the above
ExplanationFactors such as temperature, pressure, and material type influence the penetration of sterilizing agents.
#15
What is the purpose of a Class 5 integrator in sterilization?
To provide a visual indication that sterilization conditions have been met
ExplanationClass 5 integrators visually confirm whether sterilization conditions have been achieved.