CBIC Certified Infection Control Exam
Last Update Apr 15, 2026
Total Questions : 299
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Which of the following BEST reduces the risk of infection in patients undergoing peritoneal dialysis?
What rate is expressed by the number of patients who acquire infections over a specified time period divided by the population at risk of acquiring an infection during that time period?
Bioterrorism agents are classified according to priority. Which organism is listed as a Category A agent?
Which of the following processes is MOST important for the infection preventionist (IP) to review when evaluating a third-party reprocessor for single-use devices?
The infection preventionist recognizes that construction barriers are a key component of the Infection Control Risk Assessment (ICRA). The MOST important factor to consider is that construction barriers should:
After defining and identifying cases in a possible cluster of infections, an infection preventionist should NEXT establish:
At a facility with 10.000 employees. 5,000 are at risk for bloodbome pathogen exposure. Over the past five years, 100 of the 250 needlestick injuries involved exposure to bloodborne pathogens, and 2% of exposed employees seroconverted. How many employees became infected?
A patient is Hepatitis B surface antigen (HBsAg) negative, Hepatitis B surface antibody (anti-HBs) positive, and Hepatitis B core antibody (anti-HBc) negative. Which of the following explains these results?
Which of the following anti-infective materials is used on endotracheal tubes, urine catheters, and intravascular catheters?
Healthcare workers are MOST likely to benefit from infection prevention education if the Infection Preventionist (IP)
A 17-year-old presents to the Emergency Department with fever, stiff neck, and vomiting. A lumbar puncture is done. The Gram stain shows Gram negative diplocooci. Presumptive identification of the organism is
Essential knowledge, behaviors, and skills that an individual should possess and demonstrate to practice in a specific discipline defines which of the following?
Ongoing education for the Infection Preventionist (IP) is MOST important because
What factors contribute to the development of bacteria-containing biofilms within channels of endoscopes?
A microbiology laboratory plays a pivotal role in both endemic and epidemic epidemiology. Which of the following should be investigated FIRST?
The infection preventionist recognizes that facility renovation projects are associated with risk for healthcare-associated infections (HAIs). What is the primary rationale for this risk?
Which of the following statements is true in considering work reassignment for pregnant employees?
An HBsAb-negative employee has a percutaneous exposure to blood from a Hepatitis B surface antigen (HBsAg) positive patient. Which of the following regimens is recommended for this employee?
Which of the following statements is true about the microbial activity of chlorhexidine soap?
A patient with suspected active tuberculosis is being transferred from a mental health facility to a medical center by emergency medical services. Which of the following should an infection preventionist recommend to the emergency medical technician (EMT)?
The infection preventionist notes an increase in Clostridioides difficile infections (CDI) in the ICU. A Root Cause Analysis (RCA) is scheduled. What is the goal of a Root Cause Analysis?
When conducting a literature search which of the following study designs may provide the best evidence of a direct causal relationship between the experimental factor and the outcome?
An adult with an incomplete vaccination history presents with an uncontrollable, rapid and violent cough, fever, and runny nose. Healthcare personnel should suspect
Which of the following factors is important in assessing the risk of Mycobacterium tuberculosis (MTB) exposure at a healthcare facility?
A hospital experiencing an increase in catheter-associated urinary tract infections (CAUTI) implements a quality improvement initiative. Which of the following interventions is MOST effective in reducing CAUTI rates?
Following recent renovations on an oncology unit, three patients were identified with Aspergillus infections. The infections were thought to be facility-acquired. Appropriate environmental microbiological monitoring would be to culture the:
The infection preventionist (IP) is working with the Product Evaluation Committee to select a sporicidal disinfectant for Clostridioides difficile. An effective disinfectant for the IP to recommend is
The annual report for Infection Prevention shows a dramatic decrease in urinary catheter days, a decrease in the catheter utilization ratio, and a slight decrease in the number of catheter-associated urinary tract infections (CAUTIs). The report does not show an increase in the overall rate of CAUTI. How would the infection preventionist explain this to the administration?
An infection preventionist is putting together an educational program for families of patients newly diagnosed with Clostridioides difficile infection (CDI). Which of the following educational formats would involve active learning?
Which of the following infectious diseases is associated with environmental fungi?
An infection preventionist observing the technologist in sterile processing load the washer-disinfector or washer-decontaminator should expect to see them:
There has been an outbreak of foodborne illness in the community believed to be associated with attendance at a church festival. Which of the following is the MOST appropriate denominator for calculation of the attack rate?
What data should be collected and analyzed as part of a syndromic surveillance program?
An infection preventionist is writing a policy about prevention of intravascular device infection. Which of the following is important for healthcare personnel to know as part of central line insertion and maintenance procedures?
An infection control manager is training a new infection preventionist. In discussing surveillance strategies, which of the following types of hospital infection surveillance usually provides maximum benefit with minimum resources?
There are four cases of ventilator-associated pneumonia in a surgical intensive care unit with a total of 200 ventilator days and a census of 12 patients. Which of the following BEST expresses how this should be reported?
What question would be appropriate for an infection preventionist to ask when reviewing the discussion section of an original article?
A laboratory has received specimens labeled eye drainage for four patients. In preparing an action plan, the infection preventionist should do which of the following FIRST?
What antimicrobial is associated with increased Clostridioides difficile infection?
An infection preventionist (IP) receives a phone call from a local health department alerting the hospital of the occurrence of a sewer main break. Contamination of the city water supply is a possibility. Which of the following actions should the IP perform FIRST?
When preparing an educational session, objectives should be written using clear, precise language to describe what the learner is expected to learn. All of the following are examples of appropriate objective verbs EXCEPT:
Surgical site infection (SSI) data for the previous quarter reveal the following numbers. The surgeon with the highest infection rate is Doctor
Which of the following is the BEST study design for assessing the benefit of a new treatment?
An infection preventionist (IP) reviews research from a current publication and compares the data to the IP’s facility data. This is an example of:
An infection preventionist (IP) is reviewing blood cultures and notices several results with Arcanobacterium, coagulase-negative Staphylococcus, and Corynebacterium. What action is needed from the IP?
An infection preventionist (IP) notices that several discharged newborns have been readmitted with staphylococcal infections. What should the IP do FIRST?
Though basic principles of emergency management remain the same for all types of disasters, which of the following interventions varies to address the specific needs of the situation?
A 22-year-old male has a splenectomy secondary to trauma. Which of the following vaccines is MOST important for this patient?
A Quality Improvement Committee is trying to decrease catheter-associated urinary tract infections (CAUTIs) in the hospital. Which of the following would be an outcome measure that would help to show a reduction in CAUTIs?
A 15-year-old is diagnosed with invasive meningococcal disease. Which of the following should receive chemoprophylaxis?
Which of the following microorganisms does NOT cause gastroenteritis in humans?
There is an influenza epidemic in a community. To prevent transmission of influenza in a facility, the MOST rapidly effective measure an infection preventionist should recommend is to:
An infection preventionist (IP) is asked to participate on a team to decrease ventilator-associated pneumonia (VAP) rates in a 20-bed ICU. The IP provides the following information. What is the first quarter ventilator utilization ratio?
Data Provided (First Quarter):
Ventilator days (Jan–Mar total): 800
Patient days (Jan–Mar total): 1200
A change in the disinfection protocol is indicated for which of the following scenarios?
An infection preventionist (IP) is asked to assist in rewriting policies for insertion and maintenance of IV catheters. Which of the following are acceptable for use in site preparation?
An infection preventionist is providing education to a group of medical device reprocessing staff on critical steps in cleaning instruments. Which of the following actions is recommended while using washer-disinfector?
Which of the following processes would the catheter-associated urinary tract infection (CAUTI) improvement team choose as a process indicator to reduce CAUTI?
A healthcare worker experiences a percutaneous exposure to a patient with untreated HIV. The next step is to:
During the past week, three out of four blood cultures from a febrile neonate in an intensive care unit grew coagulase-negative staphylococci. This MOST likely indicates:
A hospital wants to launch an alternative care site due to an influx of patients from a mass casualty incident. An infection preventionist should be engaged to BEST determine:
The infection preventionist (IP) is working with Environmental Services to evaluate a new disinfectant for purchase by the facility. With which of the following should the IP be MOST concerned?
The BEST roommate selection for a patient with active shingles would be a patient who has had
An outbreak of Candida auris is suspected in the infection preventionist's (IP) facility. The IP's investigation must be conducted in a standard method and communication is critical. Which first step is MOST important?
An infection preventionist is preparing an in-service for a new program on total joint replacement. When discussing etiologic agents, which of the following organisms is MOST likely to cause a surgical site infection (SSI) within 60 days of a total hip replacement?
An infection preventionist is notified of a patient with Gram negative diplococci from a cerebral spinal fluid specimen. The patient was intubated during ambulance transport and intravenous lines are placed after arrival to the Emergency Department (ED). The patient was immediately placed in Droplet Precautions upon admission to the ED. Which of the following statements is true regarding the need for evaluating exposure to communicable illness?
When designing a physical construction containment barrier to contain dust as well as potentially infectious microorganisms generated, reduced air pressure in the contained space relative to adjacent occupied spaces results in airflow from the:
The MOST common reason for contamination of compounded pharmaceutical products is:
An infection preventionist has been asked to consult on disinfectant products for use in a long term care home. What should their primary concern be?
A healthcare professional in a clinical microbiology laboratory is concerned about routine exposure to Neisseria meningitidis in culture. The healthcare professional last received the Meningococcal vaccine 8 years ago. What recommendation should be given to the healthcare professional regarding their meningococcal vaccination?
An 84-year-old male with a gangrenous foot is admitted to the hospital from an extended-care facility (ECF). The ECF is notified that the wound grew Enterococcus faecium with the following antibiotic sensitivity results:
ampicillin – R
vancomycin – R
penicillin – R
linezolid – S
This is the fourth Enterococcus species cultured from residents within the same ECF wing in the past month. The other cultures were from two urine specimens and a draining wound. The Infection Preventionist (IP) should immediately:
An infection preventionist has been asked to participate in a process improvement team to standardize disinfection and sterilization practices. Team activities should include all of the following EXCEPT:
Which of the following factors increases a patient’s risk of developing ventilator-associated pneumonia (VAP)?
Which of the following is NOT valuable when using a graph to display data?
Which of the following blood-drawing methods is considered to be a needle-safe practice?
Which of the following options describes a correct use of personal protective equipment?
A family, including an infant of 8 months, is going on a vacation to Europe. An infection preventionist would recommend:
Which of the following individuals should be excluded from receiving live attenuated influenza virus?
Infection Prevention and Control identified a cluster of Aspergillus fumigatus infections in the transplant unit. The infection preventionist (IP) meets with the unit director and Environmental Services director to begin investigation. What information does the IP need from the Environmental Services director?
The Environmental Services department is purchasing a new disinfectant that is an approved hospital disinfectant with no tuberculocidal claim. This product is appropriate for cleaning which of the following items?
An infection preventionist has decided to perform surveillance for central line–associated bloodstream infections (CLABSIs) in the facility’s ICU. Which of the following is the MOST appropriate denominator to calculate risk-adjusted rates?
Over the past 6 months, a facility has noticed an increase in healthcare-associated pneumonias in ventilator-dependent patients in the NICU. There were eight healthcare-associated pneumonias among ventilated patients. Total ventilator days were 240. What was the ventilator-associated pneumonia rate for the NICU during the 6-month period?
A city has a population of 150.000. Thirty new cases of tuberculosis (TB) were diagnosed in the city last year. These now cases brought the total number of active TB cases in the city last year to 115. Which of the following equations represents the incidence rate tor TB per 100.000 in that year?
TESTED 15 Apr 2026
