You are working up a male genital culture. You see no growth on the blood agar p

Question

You are working up a male genital culture. You see no growth on the blood agar plate but small colonies growing on the chocolate agar plate. The gram stain shows gram negative cocci in pairs. Which test will you do next? motility indole catalase oxidase 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 Neisseria meningitidis Haemophilus influenzae Streptococcus pneumoniae

Explanation / Answer

Answer 6: option D is the right answer.

As, this group if bacteria includes bacteria that are aerobic and Gram negative.

Thus to further test this group oxidase test is performed which shows that if the group of bacteria is positive for the test that means the bacterial species is aerobic and can use oxygen as the terminal electron acceptor.

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