The gram stain shows gram negative cocci in pairs. Which test will you do next?

Question

The gram stain shows gram negative cocci in pairs. Which test will you do next? oxidase indole catalase motility You are working up a cerebrospinal fluid culture. You find colonies growing on blood agar as well as chocolate agar. The colonies are oxidase positive gram negative cocci. The colonies ferment glucose and maltose but not sucrose or lactose You identify the pathogen as Neisseria gonorrhoeae Streptococcus pneumonia Haemophilus influenzae Neisseria meningitides You are working up a urine culture You see >100 colonies that are gray and flat on the blood agar plate and The IMViC results are Indole positive, Methyl Red positive, Vogues- You have identified the pathogen as Proteus vulgaris Citrobacter freundii Enterobacter aerogenes Escherichia coli

Explanation / Answer

N. meningitidis oxidizes glucose and maltose, but not lactose or sucrose.

Hence the answer is last option Neisseria Meningitidis

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