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A Microbiologist Is Reading Stool Culture Plates

Question 21

Multiple Choice

A microbiologist is reading stool culture plates. She sees an organism that has a dry, pink colony with a surrounding "halo" of pink on MAC. What is a good presumptive identification of this organism?


A) Enteric pathogen
B) Escherichia/Citrobacter-like organism
C) Klebsiella/Enterobacter-like organism
D) Haemophilus influenzae

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