A laboratory technician plated a stool sample, but was rushi…

A laboratory technician plated a stool sample, but was rushing and only plated the sample onto MacConkey agar (she forgot to plate the sample onto blood agar). On MacConkey agar, the organism grew as a colorless colony. What should be the next step performed to aid in the identification of the organism? 

A patient is admitted to the hospital with symptoms of appen…

A patient is admitted to the hospital with symptoms of appendicitis. A stool specimen for culture reveals a gram-negative bacillus that is oxidase-negative, catalase-positive, urease-positive, weakly fermentative and is motile at room temperature but non-motile at 35ºC. It is PAD negative and demonstrates K/A without H 2 S on TSIA. The slant of Kligler’s iron agar (KIA) is orange-yellow. These reactions suggest the possibility of:

Sp inal fluid was collected from a cancer patient undergoing…

Sp inal fluid was collected from a cancer patient undergoing chemotherapy suspected of having meningitis. The bacteriology laboratory reported that the spinal fluid contained many WBCs and many intracellular and extracellular gram-negative encapsulated rods. A large, mucoid organism grew on 5% sheep blood agar (SBA) and was pink on MAC. Of the following, the organism most likely is: