In This Method of Antimicrobial Susceptibility Testing, Specific Volumes of Various

question 52

Multiple Choice

In this method of antimicrobial susceptibility testing, specific volumes of various concentrations of antimicrobial solutions are dispensed into premeasured volumes of molten and cooled agar, which is subsequently poured into standard Petri dishes. Organisms are inoculated onto the plate. What type of antimicrobial susceptibility testing is this?

• A) Macrodilution
• B) Broth dilution
• C) Disk diffusion
• D) Agar dilution

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Definitions:

Expected Value

The anticipated value of a variable, computed as the sum of all possible values each multiplied by the probability of its occurrence, used in probability and statistics.

Confidence Interval Estimate

A spectrum of values, drawn from sample statistics, projected to embrace the value of an undefined population measure.

Standard Error

A statistical measure that quantifies the variability or dispersion of a sample statistic from the population parameter.

Sample Size

The number of observations or units chosen from a population to participate in a statistical study, influencing the study's validity and conclusions.