Question 1

Which of the following operating suite design features is LEAST important for the prevention of infection?

Options :

A : Type of floor material

B : Positive pressure air handling

C : Placement of sinks for surgical scrubs

D : Control of traffic and traffic flow patterns

Answer: A

Question 2

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

Options :

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

Question 3

Which of the following individuals should be excluded from receiving live attenuated influenza virus?

Options :

A : Pregnant persons

B : Healthy persons aged 2 to 49

C : Persons with allergies to chicken feathers

D : Persons simultaneously receiving an inactivated vaccine

Answer: A

Question 4

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?

Options :

A : (30 ÷ 150.000) x 100.000 = X

B : (30÷ 150.000) x 100 = X

C : (115 ÷ 150.000) x 100.000 - X

D : (115 ÷ 100.000) x 100 = X

Answer: A

Question 5

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?

Options :

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