Table 201
the Following Data Were Obtained from a Broth Dilution

question 36

Multiple Choice

Table 20.1
The following data were obtained from a broth dilution test. $\begin{array}{c}&&\text { Growth in }\\\text { Concentration of Antibiotic } X&\text { Growth }&\text { Subculture }\\\hline2 \mu \mathrm{g} / \mathrm{ml} &+&+\\10 \mu \mathrm{g} / \mathrm{ml}&-&+ \\15 \mu \mathrm{g} / \mathrm{ml} &-&-\\25 \mu \mathrm{g} / \mathrm{ml}&-&-\end{array}$
-In Table 20.1, the minimal inhibitory concentration of antibiotic X is

• A) 15 µg/ml.
• B) 2 µg/ml.
• C) 25 µg/ml.
• D) 10 µg/ml.
• E) Can't tell.

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