Clear Area on Agar That Surrounds a Filter Paper Disk

question 25

Multiple Choice

Clear area on agar that surrounds a filter paper disk on the disk diffusion tests and represents inhibited growth of a test microorganism is called:

• A)minimum inhibitory concentration
• B)minimum bactericidal concentration
• C)zone of inhibition
• D)serum killing power

---

Definitions:

z

In statistics, often refers to a z-score, which measures the number of standard deviations a data point is from the mean of a distribution.

Standard Normal Random Variable

A random variable with a mean of zero and a standard deviation of one, following a normal distribution.

Probability

A numeric scale between 0 and 1 that quantifies how likely an event is to take place.

z

In statistics, 'z' typically refers to a z-score, a measure of how many standard deviations an element is from the mean.