An important requirement for appropriate inoculum preparation in susceptibility testing includes the use of a(n):

a. pure culture.
b. single isolated colony.
c. variety of colony morphotypes.
d. inoculum equivalent to the bacterial bur-den at the site of infection.


A
The use of a pure culture established by selecting 4 to 5 colonies of a single colony type ensures that the results given are those of the organism that is causing the infection.

Biology & Microbiology

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