Table 203 the Following Data Were Obtained from a Broth Dilution

question 37

Multiple Choice

Table 20.3 The following data were obtained from a broth dilution test: $$\begin{array} { | c | c | } \hline \begin{array} { c } \text { Concentration } \\\text { of Antibiotic } \\X\end{array} & \text { Growth } \\\hline 2.0 \mu \mathrm { g } / \mathrm { ml } & - \\\hline 1.0 \mu \mathrm { ml } & - \\\hline 0.5 \mu \mathrm { ml } / \mathrm { ml } & - \\\hline 0.25 \mu \mathrm { g } / \mathrm { ml } & + \\\hline 0.125 \mu \mathrm { g } / \mathrm { ml } & + \\\hline 0 & + \\\hline\end{array}$$ Bacteria from the 0.25 ?g/ml tube were transferred to new growth media containing antibiotic X with the following results: $$\begin{array} { | c | c | } \hline \begin{array} { c } \text { Concentration } \\\text { of Antibiotic } \\X\end{array} & \text { Growth } \\\hline 2.0 \mu \mathrm { g } / \mathrm { ml } & - \\\hline 1.0 \mu \mathrm { ml } & + \\\hline 0.5 \mu \mathrm { ml } / \mathrm { ml } & + \\\hline 0.25 \mu \mathrm { g } / \mathrm { ml } & + \\\hline\end{array}$$ The data in Table 20.3 show that these bacteria

• A) were resistant to 1.0 ?g/ml at the start of the experiment.
• B) were killed by 0.5 ?g/ml of antibiotic X.
• C) are pathogenic.
• D) were killed by 0.125 ?g/ml of antibiotic X.
• E) developed resistance to antibiotics.

---

Definitions:

TRC's Healing Function

The role of a Truth and Reconciliation Commission in facilitating healing and reconciliation among affected communities by acknowledging past injustices and harms.

Forum

A medium or place for open discussion and expression of opinions, often found online or within communities, facilitating the exchange of ideas.

Restitution

The return of property, things, and even human remains to their rightful owners. An aspect of reparation.

Emotions

Complex psychological states that involve physiological arousal, expressive behaviors, and conscious experience.