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1Because incidence takes into account both old and new cases, it is an indicator of the spread of a disease.
A)True
B)False


2Why was Serratia marcescens a good choice for the simulated epidemic of an actual bacterium?
A)It has been involved in many epidemics in the United States.
B)Its red color makes it easy to identify among other normal flora that may have grown on the TSA plate.
C)It is one of the few types of bacteria that grow well on caramel.


3A town of 120,000 reported 12 new cases of Neisseria gonorrhoeae in December, the total number of existing cases of Neisseria gonorrhoeae in this population is 120. Using 100,000 as the constant K, what is the incidence of the disease?
A)10,000 cases per 100,000
B)100,000 cases per 100,000
C)10 cases per 100,000
D)100 cases per 100,000


4In this exercise, how should bacterial colonies on your plate that are not S. marcescenes be recorded on the data sheet?
A)(+)
B)(-)


5A case study. Epidemiologists were working on tracing an infectious disease outbreak. They traced all of the cases back to a specific movie theater, at a specific time, where the index patient saw a movie. Very few of the 34 cases that became infected at the theater ate or drank while watching the movie with the index patient. What do you suppose was the mode of transmission for this infectious disease?
A)Inhalation
B)Ingestion
C)Direct body contact





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