Exam 9: Principles of Infectious Disease and Epidemiology

A) A reemerging pathogen is an infectious helminth that was detected in one location of the body but receded and emerged from a second location.
B) A reemerging pathogen is an infectious bacterial infection that manifests once every few months but goes away without treatment and only blisters the skin in another few months.
C) A reemerging pathogen is an infectious agent that was identified previously in one location but is now emerging in a new separate location.
D) A reemerging pathogen is an infectious agent that went away when the patient was taking antibiotics but quickly returned when the patient stopped taking the antibiotics.
E) A reemerging pathogen is an infectious agent that was under control due to prevention or treatment strategies and is now resurfacing.

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A) I and II
B) III and V
C) II and IV
D) I and III
E) III and IV

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A) Air is recirculated from patient isolation rooms to the rest of the hospital.
B) Healthcare staff caring for a high number of patients may wrongly assume that glove use can replace hand hygiene.
C) Caregivers may be overly fatigued and not wash their hands properly.
D) There is extensive antibiotic use.
E) There is an abundance of susceptible hosts.

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A) were previously under control, but are now showing increased incidence
B) were previously found only in other mammals but are now starting to infect humans
C) diseases that were present hundreds of years ago but due to increased contact with fossils are now becoming active again
D) new or newly identified infections in a population
E) infections that were central to one location but are now beginning to spread for unknown reasons

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