#1
Which of the following is a key principle of aseptic technique?
Avoiding direct contact with sterile surfaces
ExplanationAvoiding direct contact helps maintain sterility.
#2
What is the purpose of sterilization in infection control?
To reduce the number of microbes to a safe level
ExplanationSterilization aims to make surfaces microbe-free.
#3
Which of the following is NOT a method of sterilization commonly used in healthcare settings?
Pasteurization
ExplanationPasteurization does not achieve sterilization.
#4
Which of the following is a common method for sterilizing surgical instruments?
Autoclaving
ExplanationAutoclaving effectively kills microbes.
#5
Which of the following is an example of aseptic technique in wound care?
Applying sterile dressings using sterile gloves
ExplanationAseptic technique prevents wound contamination.
#6
Which of the following best describes the correct sequence of steps for handwashing?
Apply soap, scrub hands, rinse with water, dry hands
ExplanationThis sequence effectively removes dirt and germs.
#7
What is the purpose of laminar airflow hoods in laboratory settings?
To provide a sterile working environment
ExplanationLaminar airflow prevents contamination.
#8
What is the recommended duration for surgical hand scrubbing using an antimicrobial soap?
2 minutes
ExplanationTwo minutes ensures thorough cleaning.
#9
Which of the following is an example of a nosocomial infection?
A urinary tract infection acquired during a hospital stay
ExplanationNosocomial infections occur during hospital stays.
#10
What is the purpose of a biological indicator in sterilization processes?
To confirm the effectiveness of sterilization
ExplanationBiological indicators validate sterilization.
#11
What is the primary reason for using personal protective equipment (PPE) in healthcare settings?
To protect healthcare workers and patients from infection
ExplanationPPE safeguards against infection transmission.
#12
What is the primary goal of environmental cleaning in healthcare facilities?
To reduce the microbial load to prevent transmission of infections
ExplanationCleaning lowers infection transmission risks.
#13
Why is it important to maintain proper ventilation in healthcare settings?
To prevent the spread of airborne infections
ExplanationVentilation reduces airborne pathogen concentrations.
#14
Why is it important to maintain a clean and organized workspace in healthcare settings?
To improve workflow efficiency and prevent cross-contamination
ExplanationOrganization reduces infection risks and enhances efficiency.
#15
What is the primary purpose of isolation precautions in healthcare?
To prevent the spread of infectious diseases
ExplanationIsolation stops disease transmission.