This organism has been documented as causing nursery outbreaks of neonatal meningitis and brain abscesses:

Which of the following is observed in Salmonella infections and not in Shigella infections?

Which single test separates K. oxytoca from K .pneumoniae?

The Voges-Proskauer (VP) test detects which end product of glucose fermentation?

Which of the following organisms produce a positive phenylalanine deaminase (PDA) reaction?

A gram negative rod that is oxidase negative and acquired by eating improperly prepared and cooked or preserved food contaminated with human feces and produces dysentery is:

Three consecutive stool cultures from a 25 year-old male patient produced little normal fecal flora on MacConkey and Hektoen enteric agars.  Colonies produced on CIN agar displayed “bulls-eye” colonies after 48 hours of incubation.  The patient had been suffering from enterocolitis with fever, diarrhea and abdominal pain for 2 days.  What is the most likely identification of this gram negative rod?

Describe the principle of the Simmons citrate test.

The K antigen of the Enterobacteriaceae family is:

Which labor union represented all workers in the early 1900s, had socialist leanings under “Big Bill” Haywood, and participated in the Lawrence, MA Textile Strike?