6.
Carriers of communicable diseases and persons with sub-clinical or asymptomatic
cases of diseases constitute a phenomenon known as the _________________.
7.
Disease-producing agents may be either _______________________ or
_________________________ agents.
8.
Match each of the terms in Column I with an appropriate definition listed in
Column II.
Column I
Column II
a. ____Pathogenicity
(1)
of a susceptible.
b. ____Virulence
(2)
Capacity for reproduction in air as
well as in the absence of air.
c.
____Resistance
(3)
Ability to withstand the action of
disinfectant or antibiotic.
d. ____Infectivity
(4)
Ability to cause a disease.
(5)
Vulnerability to detection by
laboratory methods.
(6)
Ability to invade a susceptible
multiply, and effect a change.
9.
The source (reservoir) of a disease may be a _____________, ____________, or
______________.
10.
Means of disease transmission include: ______________________, __________,
_________________, ______________, and ______________________.
11.
Animals (such as rodents) and arthropods, which live on such animals and which
are capable of transmitting diseases to humans are referred to as disease
______________________.
MD0151
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