Table 201
the Following Data Were Obtained from a Broth Dilution

question 3

Multiple Choice

Table 20.1
The following data were obtained from a broth dilution test.
$$\begin{array} { | c | c | c | } \hline \begin{array} { c } \text { Concentration of Antibiotic } \\\mathrm { X }\end{array} & \text { Growth } & \text { Growth in Subculture } \\\hline 2 μg /\mathrm { ml } & + & + \\\hline 10 μg/ \mathrm { ml }& - & + \\\hline 15 μg/ \mathrm { ml } & - & - \\\hline 25μg/ \mathrm { ml } & - & - \\\hline\end{array}$$
-In Table 20.1,the minimal inhibitory concentration of antibiotic X is

• A)2 μg/ml.
• B)10 μg/ml.
• C)15 μg/ml.
• D)25 μg/ml.
• E)The answer cannot be determined based on the information provided.

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