During the Course of an Intestinal Infection with Salmonella Enteritidis

question 21

Multiple Choice

During the course of an intestinal infection with Salmonella enteritidis, the B cells undergo class switching; what switching is most likely to occur and what causes the switch?

• A) IgD to IgE; B-cell cytokines
• B) IgM to IgA; T-cell cytokines
• C) IgG to IgM; B-cell cytokines
• D) IgA to IgG; T-cell cytokines
• E) IgD to IgM; T-cell cytokines

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Definitions:

Permeability

A measure of the ability of a material to transmit a fluid.

Natural Cement

A type of cement that naturally forms from the chemical reaction of limestone with clay minerals under specific conditions.

Pores

Small openings on a surface, which allow for the passage of gases, liquids, or microscopic particles.

Permeability

A measure of how easily fluids can pass through a porous material or rock.