Question 9

(Multiple Choice)

A microbiologist is reading the plates from a sputum culture. On the sheep blood agar (SBA), the microbiologist sees flat spreading colonies with a metallic sheen. On cetrimide agar, a fluorescent green color is seen in the medium with clear colonies. On MacConkey, medium clear colonies are seen that have a fruity or grapelike odor. What is the most likely organism?


A) Pseudomonas fluorescens
B) P. aeruginosa
C) P. putida
D) P. stutzeri

Answer