FAST REVISION
Radiology
Image of a hair appears on a radiograph which was exposed in a cassette. The hair would have been located in all of the following to produce this image except on the film during development.
General Microbiology
The reaction tested by adding concentrated sulfuric acid to a 24-hour peptone water culture is Cholera red reaction, This reaction tests for the presence of cholera vibrios, which produce hydrogen sulfide gas when their culture is acidified with sulf