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Which Clostridium spp is most commonly recovered from cases of gas gangrene?

A gram-negative rod is inoculated into nitrate broth and incubated for 24 hours. After equal amounts of alpha-naphthylamine and sulfanilic acid are added, no color develops. Zinc dust is added and still no color develops. What action should your take?

Which drug known to be active against parasitic infections has importance as a therapeutic agent in cases of disease caused by anaerobic bacteria and is sold as Flagyl?

A  yellow colony from a skin lesion grew aerobically. It was a gram positive cocci, catalase positive, coagulase negative.  A modified oxidase test was performed and it was positive.  The most likely organism is

An antibiotic that inhibits cell wall synthesis is

A clean catch urine cultured using 0.01 ml calibrated loop grew 60 colonies.  What is the correct CFU/ml

Which of the following descriptions does NOT pertain to Pasteurella multocida?

The ability of an organism to degrade the amino acid tryptophan as a result of the enzyme tryptophanase can be measured by

Eikenella corrodens is an opportunistic pathogen, but it is most noted for causing

Members of the family Enterobacteriaceae share which of the following traits