Lesson 9 Review

What is Neisseria meningitidis classified as?

A nationally reportable disease due to its potential for rapid spread, especially in community settings.

What disease does Neisseria gonorrhoeae cause?

It causes Gonorrhea and Ophthalmia neonatorum (eye infection) in newborns.

What type of bacteria is Neisseria identified as?

Kidney-shaped diplococci that are Oxidase-positive and Catalase-positive.

Which agar is specifically used to culture Neisseria gonorrhoeae?

Modified Thayer Martin Agar (MTM) because it provides the necessary nutrients for growth.

What visual characteristic is noted in the Gram Stain of Neisseria?

Intracellular diplococci seen inside segmented neutrophils.

What does Neisseria meningitidis use for carbohydrate metabolism?

It utilizes Glucose and Maltose.

What are the major virulence factors of Neisseria?

Endotoxin, capsule formation, production of IgA protease, fimbriae, and human transferrin receptors.

What can Neisseria meningitidis lead to if untreated?

Disseminated intravascular coagulation (DIC), causing severe complications including hemorrhage in adrenal glands and meningitis.

What is the colony morphology of Moraxella catarrhalis?

Grey to white, smooth, and opaque, resembling a 'Hockey puck.'