Practice Infection-Control Exam Online

Question 1

An infection preventionist is reviewing employee health immunization policies. What is the recommendation for tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) for a 55-year-old nurse who received all childhood vaccinations?

A : One dose of Tdap vaccine

B : Two doses of Tdap vaccine at least 14 days apart

C : Two doses of Tdap vaccine at least 28 days apart

D : No additional vaccination is recommended

Answer: A

Question 2

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?

A : Laryngoscope blades

B : Blood pressure cuff

C : Respiratory therapy equipment

D : Ultrasound probe

Answer: B

Question 3

Which humoral antibody indicates previous infection and assists in protecting tissue?

A : IgA

B : IgD

C : IgG

D : IgM

Answer: C

Question 4

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?

A : The rate is incorrect and needs to be recalculated.

B : The rate may be higher if the denominator is very small.

C : The rate is not affected by the number of catheter days.

D : Decreasing catheter days will not have an effect on decreasing CAUTI.

Answer: B

Question 5

A healthcare worker experiences a percutaneous exposure to a patient with untreated HIV. The next step is to:

A : Initiate HIV post-exposure prophylaxis (PEP) within 2 hours.

B : Wait for HIV test results before starting treatment.

C : Offer post-exposure prophylaxis only if symptoms develop.

D : Retest for HIV after 6 months before deciding on PEP.

Answer: A

Name:	CBIC Certified Infection Control
Exam Code:	Infection-Control
Certification:	CBIC Certification
Vendor:	CBIC
Total Questions:	152
Last Updated:	Apr 01, 2026

CBIC Infection-Control Answers