Exam 21: Pseudomonas, Burkholderia, and Similar Organisms

An organism described as oxidase-positive, (K/NC)on TSI media, growth at 42° C, and produces a bright bluish-green pigment on Mueller-Hinton agar is most likely:

Production of exotoxin A and several proteolytic enzymes and hemolysins are factors that contribute to the pathogenicity of which organism?

Which species of Burkholderia is the one most commonly found in clinical specimens?

Which two organisms should be used to determine the validity of urea agar for quality control purposes?

Oxidative-fermentative base-polymyxin B-bacitracin-lactose (OFPBL)media is the best media to use to isolate which one of the following organisms from the sputa of patients with cystic fibrosis?

Which best describes the source of Burkholderia cepacia infections?

Which organism exhibits bipolar staining on the Gram stain, which resembles a "safety-pin" appearance?

Not including organisms in the Enterobacteriaceae family, the second most common gram-negative bacilli encountered in clinical specimens are:

The disease referred to as melioidosis is caused by which one of the following?

A convenient and reliable identification scheme for Pseudomonas aeruginosa involves which of the following conventional tests?