Question 1

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 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 descriptions accurately describes a single-use medical device?

Options :

A : A device which can be used on a single patient

B : A device that is sterilized and can be used again on the same patient

C : A device used on a patient and reprocessed prior to being used again

D : A device used one time on a patient during a procedure and then discarded

Answer: D

Question 4

A patient with shortness of breath and a history of a tuberculin skin test (TST) of 15 mm induration was admitted to a semi-private room. The infection preventionist's FIRST action should be to

Options :

A : contact the roommate-s physician to initiate TST.

B : review the patient-s medical record to determine the likelihood of pulmonary tuberculosis (TB).

C : report the findings to the Employee Health Department to initiate exposure follow-up of hospital staff.

D :

transfer the patient to an airborne infection isolation room and initiate appropriate isolation for tuberculosis (TB).

Answer: B

Question 5

An infection preventionist in the role of educator is teaching risk reduction activities to patients and families. For which of the following groups is the pneumococcal vaccine MOST appropriate?

Options :

A : Asplenic patients

B : International travelers

C : Immunocompromised newborns

D : Patients in behavioral health settings

Answer: A

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