What organism is an opportunistic pathogen that strikes the immunocompromised patient with neutrophil deficits and produces a violet pigment on nonselective agar?
A) Psychrobacter immobilis
B) Chromobacterium violaceum
C) Chryseomonas luteola
D) Paracoccus phenylpyruvicus

Question

Quizplus · Accepted Answer

Chromobacterium violaceum is a known opportunistic pathogen that can affect immunocompromised patients with neutrophil deficits. It produces a distinct violet pigment on nonselective agar, which can aid in its identification. Psychrobacter immobilis, Chryseomonas luteola, and Paracoccus phenylpyruvicus are not associated with these characteristics.

What Organism Is an Opportunistic Pathogen That Strikes the Immunocompromised