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Shiga-toxin is produced by which of the following organisms:

The ONPG test allows organisms to be classified as dLFs by testing for which of the following?

(2 pts.) A gram negative diplococcus that is oxidase (+) is tested with glucose and maltose. The glucose tube appears red and the maltose tube appears red. The MLT should report:

Motility would be best determined by using which of the following tests:

Observe the CTA sugars and interpret the results. Name a species of Neisseria that could give these results.

A major virulence factor of Streptococcus pneumoniae is:

Members of the family Enterbacteriaceae share which of the following characteristics?

Identify the medium used for the citrate test:

What does ESBL stand for? What two organisms are known to commonly be ESBL (+)? What action should be taken if an ESBL (+) organism is recovered from culture? What implications do ESBL (+) organisms have for the patient?

A clean catch urine is inoculated to BAP and MAC. After 24 hrs. of incubation, the BAP has 4 morphologically different colonies and a total colony count of 260 CFU/mL of urine. The MAC has a clear colony, a pink dry colony and a mucoid pink colony with a total colony count of 180 colonies. The MLT should: