CDC INFECTION PREVENTIONIST POST TEST EXAM
PRACTICE QUESTIONS AND ANSWERS - LATEST
AND COMPLETE UPDATE WITH VERIFIED
SOLUTIONS – ASSURED PASS WITH INSTANT
DOWNLOAD PDF.
1. Which of the following is the primary purpose of an infection prevention
and control (IPC) program in a healthcare facility?
A. Reduce staffing needs
B. Prevent and control healthcare-associated infections (HAIs)
C. Limit patient admissions
D. Increase patient satisfaction
Rationale: The core function of an IPC program is to prevent and control HAIs,
protecting patients and healthcare personnel.
2. A patient develops a catheter-associated urinary tract infection (CAUTI) 48
hours after catheter insertion. According to CDC definitions, this infection is
considered:
A. Healthcare-associated infection (HAI)
B. Community-acquired infection
C. Occupational infection
D. Secondary infection
Rationale: Infections occurring >48 hours after hospital admission are classified
as HAIs.
3. Standard Precautions require healthcare personnel to:
A. Wear gloves only for surgical procedures
, B. Use hand hygiene and appropriate PPE with all patients
C. Only clean equipment if visibly soiled
D. Rely solely on patient isolation
Rationale: Standard Precautions apply to all patients and include hand hygiene,
PPE, and safe handling of potentially infectious materials.
4. Which pathogen is considered the most resistant to disinfection and
sterilization procedures?
A. Influenza virus
B. Bacterial spores (e.g., Clostridioides difficile)
C. HIV
D. Staphylococcus aureus
Rationale: Bacterial spores are highly resistant and require specific sterilization
methods, such as autoclaving.
5. In a healthcare outbreak investigation, which of the following is the first
step?
A. Implement mass vaccination
B. Conduct staff training
C. Establish a case definition and identify cases
D. Perform environmental cleaning
Rationale: Accurate case identification is critical for understanding outbreak
scope and implementing control measures.
6. Hand hygiene is most effective in preventing:
A. Respiratory infections only
, B. Bloodborne pathogen transmission only
C. Transmission of multidrug-resistant organisms and HAIs
D. Foodborne illness only
Rationale: Proper hand hygiene interrupts the transmission of a broad spectrum of
pathogens in healthcare settings.
7. Which of the following PPE combinations is appropriate for contact
precautions?
A. Gloves only
B. Gloves and gown
C. Gown and respirator
D. Face shield only
Rationale: Contact precautions require gloves and gowns to prevent pathogen
spread via touch.
8. A patient with suspected tuberculosis is admitted. The infection
preventionist should recommend:
A. Droplet precautions only
B. Standard precautions only
C. Airborne precautions with negative pressure room
D. Contact precautions only
Rationale: TB is airborne; patients should be placed in negative pressure rooms
and staff should use N95 respirators.
9. Which of the following best defines nosocomial infection?
A. Infection present at the time of admission
, B. Infection acquired in a hospital or healthcare setting
C. Infection transmitted via food
D. Infection caused by community exposure
Rationale: Nosocomial infections are healthcare-associated and not present at
admission.
10.Which sterilization method is most appropriate for heat-sensitive
endoscopes?
A. Boiling
B. Autoclaving
C. Ethylene oxide (EtO) gas sterilization
D. UV light exposure
Rationale: EtO gas sterilization is suitable for equipment that cannot withstand
high temperatures.
11.A healthcare worker sustains a needlestick injury from a patient with known
hepatitis B. The first step in post-exposure management is:
A. Observe the wound only
B. Wash the area with soap and water immediately
C. Start antiviral therapy immediately
D. Report only if symptoms develop
Rationale: Immediate wound cleaning reduces risk of infection; reporting and
follow-up are also required.
12.The recommended duration for handwashing with soap and water when
visibly soiled is:
PRACTICE QUESTIONS AND ANSWERS - LATEST
AND COMPLETE UPDATE WITH VERIFIED
SOLUTIONS – ASSURED PASS WITH INSTANT
DOWNLOAD PDF.
1. Which of the following is the primary purpose of an infection prevention
and control (IPC) program in a healthcare facility?
A. Reduce staffing needs
B. Prevent and control healthcare-associated infections (HAIs)
C. Limit patient admissions
D. Increase patient satisfaction
Rationale: The core function of an IPC program is to prevent and control HAIs,
protecting patients and healthcare personnel.
2. A patient develops a catheter-associated urinary tract infection (CAUTI) 48
hours after catheter insertion. According to CDC definitions, this infection is
considered:
A. Healthcare-associated infection (HAI)
B. Community-acquired infection
C. Occupational infection
D. Secondary infection
Rationale: Infections occurring >48 hours after hospital admission are classified
as HAIs.
3. Standard Precautions require healthcare personnel to:
A. Wear gloves only for surgical procedures
, B. Use hand hygiene and appropriate PPE with all patients
C. Only clean equipment if visibly soiled
D. Rely solely on patient isolation
Rationale: Standard Precautions apply to all patients and include hand hygiene,
PPE, and safe handling of potentially infectious materials.
4. Which pathogen is considered the most resistant to disinfection and
sterilization procedures?
A. Influenza virus
B. Bacterial spores (e.g., Clostridioides difficile)
C. HIV
D. Staphylococcus aureus
Rationale: Bacterial spores are highly resistant and require specific sterilization
methods, such as autoclaving.
5. In a healthcare outbreak investigation, which of the following is the first
step?
A. Implement mass vaccination
B. Conduct staff training
C. Establish a case definition and identify cases
D. Perform environmental cleaning
Rationale: Accurate case identification is critical for understanding outbreak
scope and implementing control measures.
6. Hand hygiene is most effective in preventing:
A. Respiratory infections only
, B. Bloodborne pathogen transmission only
C. Transmission of multidrug-resistant organisms and HAIs
D. Foodborne illness only
Rationale: Proper hand hygiene interrupts the transmission of a broad spectrum of
pathogens in healthcare settings.
7. Which of the following PPE combinations is appropriate for contact
precautions?
A. Gloves only
B. Gloves and gown
C. Gown and respirator
D. Face shield only
Rationale: Contact precautions require gloves and gowns to prevent pathogen
spread via touch.
8. A patient with suspected tuberculosis is admitted. The infection
preventionist should recommend:
A. Droplet precautions only
B. Standard precautions only
C. Airborne precautions with negative pressure room
D. Contact precautions only
Rationale: TB is airborne; patients should be placed in negative pressure rooms
and staff should use N95 respirators.
9. Which of the following best defines nosocomial infection?
A. Infection present at the time of admission
, B. Infection acquired in a hospital or healthcare setting
C. Infection transmitted via food
D. Infection caused by community exposure
Rationale: Nosocomial infections are healthcare-associated and not present at
admission.
10.Which sterilization method is most appropriate for heat-sensitive
endoscopes?
A. Boiling
B. Autoclaving
C. Ethylene oxide (EtO) gas sterilization
D. UV light exposure
Rationale: EtO gas sterilization is suitable for equipment that cannot withstand
high temperatures.
11.A healthcare worker sustains a needlestick injury from a patient with known
hepatitis B. The first step in post-exposure management is:
A. Observe the wound only
B. Wash the area with soap and water immediately
C. Start antiviral therapy immediately
D. Report only if symptoms develop
Rationale: Immediate wound cleaning reduces risk of infection; reporting and
follow-up are also required.
12.The recommended duration for handwashing with soap and water when
visibly soiled is:
