#1
Which of the following is a primary mode of transmission for infectious diseases?
Contact with infected blood or bodily fluids
Breathing in contaminated air particles
Ingestion of contaminated food or water
Transmission through insect vectors
#2
What is the recommended duration for handwashing to effectively remove microorganisms?
At least 10 seconds
At least 20 seconds
At least 30 seconds
At least 1 minute
#3
Which of the following vaccines is NOT recommended for healthcare workers?
Influenza vaccine
Hepatitis B vaccine
Tetanus vaccine
Chickenpox (varicella) vaccine
#4
What is the term for a protective barrier used to cover the mouth and nose during medical procedures?
Face shield
Gown
Mask
Respirator
#5
Which of the following is NOT a common symptom of COVID-19?
Fever
Persistent cough
Muscle or joint pain
Sudden loss of smell or taste
#6
Which of the following is an example of a bloodborne pathogen?
Salmonella
Hepatitis B virus
Staphylococcus aureus
Clostridium difficile
#7
What is the recommended method for disposing of used needles and syringes?
Recycling
Flushing down the toilet
Placing in a puncture-resistant container
Throwing in regular trash
#8
Which of the following is NOT considered a standard precaution for infection control?
Wearing gloves when in contact with bodily fluids
Proper disposal of sharps
Using a face shield during patient care
Wearing a gown only during surgery
#9
What is the purpose of autoclaving in sterilization procedures?
To disinfect surfaces
To kill bacteria and spores using high-pressure steam
To remove pathogens through filtration
To irradiate materials
#10
What is the term used to describe microorganisms that normally live on or in the body without causing harm?
Pathogens
Parasites
Commensals
Toxins
#11
Which of the following is an example of a nosocomial infection?
Common cold contracted at home
Influenza outbreak in a school
Urinary tract infection acquired in a hospital
Food poisoning from contaminated food
#12
What is the primary purpose of contact tracing during disease outbreaks?
To identify individuals at risk of infection
To develop vaccines
To provide treatment to infected individuals
To monitor air quality in affected areas
#13
Which of the following is a factor that contributes to the development of antimicrobial resistance?
Completing prescribed antibiotic courses
Using antibiotics for viral infections
Maintaining good hygiene practices
Proper handwashing techniques
#14
Which of the following is NOT a mode of transmission for healthcare-associated infections?
Airborne
Contact
Vehicle
Fomite
#15
Which organization provides guidelines for infection prevention and control in healthcare settings?
World Health Organization (WHO)
Centers for Disease Control and Prevention (CDC)
European Centre for Disease Prevention and Control (ECDC)
International Council of Nurses (ICN)
#16
What is the recommended standard for sterilization of surgical instruments?
Autoclaving at 100°C for 15 minutes
Boiling in water for 30 minutes
Chemical disinfection with alcohol
Use of ultraviolet (UV) light
#17
What is the mode of action of antiseptics?
Inhibiting the growth of bacteria and fungi
Killing viruses on contact
Neutralizing toxins produced by pathogens
Destroying bacterial spores
#18
What is the appropriate sequence for donning personal protective equipment (PPE)?
Gown, mask, gloves
Mask, gloves, gown
Gloves, gown, mask
Gloves, mask, gown
#19
Which of the following is a recommended strategy for preventing healthcare-associated infections?
Regular use of antibiotics in all patients
Isolation of infected patients from healthcare workers
Using single-use medical devices for multiple patients
Regular cleaning and disinfection of environmental surfaces
#20
Which of the following is a characteristic of multidrug-resistant organisms (MDROs)?
They are easily treated with standard antibiotics
They are only found in healthcare settings
They are resistant to multiple antimicrobial agents
They do not pose a risk to public health