Medical MCQ-Which of the following biochemical test is ideal for identification of Neisseria gonorrhea?

Which of the following biochemical test is ideal for identification of Neisseria gonorrhea?

Sucrose fermentation test

Oxidase test

Penicillin resistant test

Coagulase test

Question Category:

Microbiology

Correct Answer:

Oxidase test

Description:

The Neisseria produce oxidase and give positive oxidase reactions. The oxidase test is a key test for identifying them. When bacteria are spotted on a filter paper soaked with tetramethyl paraphenylenediamine hydrochloride (oxidase), the neisseriae rapidly turn dark purple.Reference: Jawetz, Melnick, & Adelberg's Medical Microbiology; 27th edition; Chapter 20; The Neisseriae

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