What genus has the following characteristics: urea negative, positive for lysine decarboxylase, hydrogen sulfide, and indole, and does not grow on Simmon's citrate?
A) Providencia B) Edwardsiella C) Escherichia D) Morganella
You have isolated a bacterium from a stool culture that produces clear colonies on sorbitol MacConkey (SMAC) agar. Which of the following would be the most appropriate test to perform next?
A) Gram stain B) Oxidase C) Rapid methylumbelliferyl-b-D-glucuronide (MUG) D) Rapid urease