Question 1

In which of the following ways is human immunodeficiency virus similar to the Hepatitis B virus?

Options :

A : The primary mechanism of transmission for both is maternal-fetal

B : Needlestick exposure leads to a high frequency of healthcare worker infection

C : Transmission may occur from asymptomatic carriers

D : The risk of infection from mucous membrane exposure is the same

Answer: C

Question 2

Which statistical test is MOST appropriate for comparing infection rates before and after an intervention?

Options :

A : Student’s t-test

B : Chi-square test for proportions

C : Linear regression analysis

D : Wilcoxon rank-sum test

Answer: B

Question 3

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

Options :

A : IgA

B : IgD

C : IgG

D : IgM

Answer: C

Question 4

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 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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