A convenient and reliable identification scheme for P. aeruginosa involves which of the following conventional tests?
a. Oxidase, triple sugar iron (TSI) slant, growth at 42°C on Mueller-Hinton agar or trypticase soy agar
b. Catalase, lysine iron agar (LIA) slant, growth at 42°C on Mueller-Hinton agar or trypticase soy agar
c. Oxidase, TSI slant, growth at 24°C on Mueller-Hinton agar or trypticase soy agar
d. Catalase, TSI slant, growth at 42°C on sheep blood agar or blood trypticase soy agar
A
P. aeruginosa is one of the most common gram-negative species encountered in the clinical set-ting. A convenient and reliable identification scheme for this pathogen is helpful and includes the oxidase test, TSI slant, testing for growth at 42°C, and observation of a bright bluish-green, red, or brown diffusible pigment.
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