Which of the following statements is the best definition of a pandemic disease?
A. It occurs infrequently at no predictable time scattered over a largearea or population.
B. It normally occurs in a given geographic area.
C. It is an epidemic that occurs on more than one continent at thesame time.
D. It is a disease that occurs more frequently than usual for ageographical area or group of people.
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Which term refers to the number of new cases of an infectious disease in a given area or population during a given period of time?
A. prevalence:
B. incidence,
C. epidemic,
D. endemic
Which term refers to the total number of cases, both new and alreadyexisting, in a given area or population during a given period of time?
A. prevalence:
B. incidence,
C. epidemic,
D. endemic
Which type of treatment could induce superinfection?
A. Long term and large doses antibiotics treatment:
B. Long term chemotherapy against tumor,
C. Infection happens after tooth extraction;
D. Long term hormone therapy.
Which disease is not caused by endotoxin?
A. shock
B. fever
C. hypertension
DIC
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