Which of the Following Is Not a Virulence Factor of Shigella

question 20

Multiple Choice

Which of the following is not a virulence factor of Shigella species?

• A) the manufacture of several toxins that damage intestinal cells and induce fluid efflux
• B) the capability to cause stomach ulcers
• C) the capacity to pass between infected cells using an actin propulsion system
• D) a system that induces host cells to endocytose the bacteria
• E) the ability to escape from phagocytes

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Definitions:

25-year Annuity

A financial product that provides a series of payments made at equal intervals over 25 years.

Compounded Semi-annually

A method of computing interest where the interest is calculated and added to the principal twice a year.

Periodic Interest Rate

The interest rate applied to a loan or investment over a specific period of time, less frequently than annually.

Compounded Monthly

The method of calculating interest where the accrued interest is added to the principal sum each month, leading to interest on interest the following month.