9.

Match each term with its description.

___sporadic disease	A. the number of disease cases per 100,000 individuals
___endemic disease	B. a disease in higher than expected numbers around the world
___pandemic disease	C. the number of deaths from a disease for every 10,000 individuals
___morbidity rate	D. a disease found occasionally in a region with cases occurring mainly in isolation from each other
___mortality rate	E. a disease found regularly in a region

10.

Match each type of epidemiology study with its description.

___experimental	A. examination of past case histories and medical test results conducted on patients in an outbreak
___analytical	B. examination of current case histories, interviews with patients and their contacts, interpretation of medical test results; frequently conducted while outbreak is still in progress
___prospective	C. use of a set of test subjects (human or animal) and control subjects that are treated the same as the test subjects except for the specific treatment being studied
___descriptive	D. observing groups of individuals to look for associations with disease
___retrospective	E. a comparison of a cohort of individuals through the course of the study

11.

Match each pioneer of epidemiology with their contribution.

___Florence Nightingale	A. determined the source of a cholera outbreak in London
___Robert Koch	B. showed that surgical wound infection rates could be dramatically reduced by using carbolic acid to disinfect surgical tools, bandages, and surgical sites
___Joseph Lister	C. compiled data on causes of mortality in soldiers, leading to innovations in military medical care
___John Snow	D. developed a methodology for conclusively determining the etiology of disease