5 Questions
What color are the colonies of E. coli on blood agar?
Gray
What is the gram stain result of E. coli?
Gram-negative
What is the optimal growth temperature for E. coli?
37°C
What type of organism is E. coli in terms of oxygen requirements?
Facultative anaerobe
On which culture media does E. coli produce moist colonies due to lactose fermentation?
MacConkey agar
Test your knowledge of laboratory diagnosis of urinary tract infections (UTIs) and the specific diagnostic methods for diarrheagenic E. coli. This quiz covers sample collection, Gram staining, and more.
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