Pseudomonas aeruginosa

A laboratory technician opens a culture plate growing Pseudomonas aeruginosa and immediately notices a distinct odor. Which of the following describes the characteristic smell associated with this bacterium?

A 10-year-old boy with cystic fibrosis presents with a chronic productive cough and recurrent pulmonary exacerbations. Sputum culture reveals a mucoid, Gram-negative rod. Which of the following organisms is the most likely causative agent?

A microbiologist observes a Gram-negative rod that produces a blue-green pigment on nutrient agar and gives a positive oxidase test. Which of the following organisms is most likely being identified?

Which virulence factor of Pseudomonas aeruginosa acts similarly to diphtheria toxin by inhibiting protein synthesis through ADP-ribosylation of elongation factor-2?

A patient with severe burns develops a bloodstream infection with Pseudomonas aeruginosa. Despite treatment with piperacillin-tazobactam, the infection persists. Which of the following mechanisms is most likely contributing to the antibiotic resistance in this organism?