The Expected Outcome of an Oxidase Test Performed to Identify

question 35

Multiple Choice

The expected outcome of an oxidase test performed to identify Neisseria menigitidis is

• A)the amplification of the oxi gene as detected on an agarose gel.
• B)cells colored black when stained and viewed under the microscope.
• C)the appearance of bubbles when cells are mixed with hydrogen peroxide.
• D)a zone of clearing surrounding colonies on chocolate agar.
• E)a color change of a colony from tan to black when oxidase reagent is added.