The Pathogenesis of Neisseria Gonorrhoeae Is Dependent Upon Phase Variation

question 53

Multiple Choice

The pathogenesis of Neisseria gonorrhoeae is dependent upon phase variation. Which of the following statements concerning phase variation is incorrect?

• A) Phase variation allows Neisseria cells to escape immune detection.
• B) Phase variations results from genetic rearrangements in the Neisseria chromosome.
• C) Phase variation involves alterations to the structure of the fimbriae.
• D) Phase variation results in Neisseria cells adopting a pleomorphic morphology.

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Definitions:

Bulbar Conjunctiva

Conjunctiva that covers the surface of the eyeball.

Blink Reflex

An involuntary blinking of the eyelids elicited by stimulation of the cornea or sudden approach of objects, serving as a protective mechanism for the eyes.

Palpebral Fissure

Space between the upper and lower eyelids.

Nasolacrimal Duct

Duct that leads from the lacrimal sac to the nasal cavity.