When a medium needs to be quality controlled because it was prepared in house or because it is complex, all the following rules must be followed, except:
A) Only media not specified in Clinical and Laboratory Standards Institute (CLSI) guidelines should be tested.
B) The medium should be tested for sterility and pH.
C) The organism selected for quality control testing should represent most fastidious organisms for which the medium is designed.
D) Testing techniques should be different for primary plating media than for biochemical or subculturing media.

Question

Quizplus · Accepted Answer

The correct approach for quality control of media involves testing all media, regardless of whether they are specified in Clinical and Laboratory Standards Institute (CLSI) guidelines or not. The other options (B, C, D) are indeed practices that should be followed for quality control.

When a Medium Needs to Be Quality Controlled Because It