#1
What is the primary goal of cleaning and sterilization in healthcare settings?
To eliminate all microorganisms
ExplanationComplete eradication of microbes.
#2
What is the purpose of a validation process in sterilization procedures?
To confirm that the sterilization equipment is working effectively
ExplanationVerification of sterilization equipment functionality.
#3
Which of the following is an example of a low-level disinfectant?
Alcohol
ExplanationCommon low-level disinfectant.
#4
What is the significance of using a detergent in the cleaning process before sterilization?
To remove visible dirt and organic matter
ExplanationElimination of visible contaminants and organics.
#5
What is the purpose of using an enzymatic cleaner in the healthcare setting?
To break down organic matter on instruments
ExplanationOrganic matter degradation on instruments.
#6
Which of the following is a method of physical cleaning?
Mechanical scrubbing
ExplanationUtilization of physical force for cleaning.
#7
What is the purpose of pre-cleaning instruments before sterilization?
To remove gross debris
ExplanationClearing visible contaminants prior to sterilization.
#8
What is the difference between cleaning and sterilization?
Cleaning removes visible dirt, while sterilization kills all microorganisms.
ExplanationClearing visible dirt vs. eliminating all microbes.
#9
Which chemical is commonly used for high-level disinfection in healthcare settings?
Hydrogen peroxide
ExplanationFrequent choice for high-level disinfection.
#10
What is the purpose of using biological indicators in autoclaves?
To verify microbial killing effectiveness
ExplanationEnsuring efficiency of microbial eradication.
#11
Which sterilization method is suitable for heat-sensitive items?
Chemical sterilization
ExplanationAppropriate for items sensitive to heat.
#12
What is the purpose of biological indicators in sterilization processes?
To ensure sterility is achieved
ExplanationConfirming attainment of sterility.
#13
What is the recommended drying time for sterilized items before use?
At least 24 hours
ExplanationMinimum duration for post-sterilization drying.
#14
Which factor is critical for the efficacy of steam sterilization?
Humidity
ExplanationEssential moisture level for steam sterilization effectiveness.
#15
What is the purpose of aeration after ethylene oxide sterilization?
To remove residual ethylene oxide gas
ExplanationClearing lingering ethylene oxide gas post-sterilization.