Exam 29: Immune Mechanisms

The presence of neutrophils in higher than normal numbers in the blood or at a site of inflammation indicates an active response to a current infection.

T cell receptors on a particular T cell can recognize more than two antigens.

Antigen presenting cells present antigens to __________.

Which of the following symptoms are associated with inflammation?

The molecular mediators of inflammation include

The increased rate of O2 uptake by activated phagocytes is called the__________.

Serum containing antigenic specific antibodies is called__________ .

Oxygen compounds toxic to pathogens include

Antigen exposure is necessary to

The measurable strength of binding of antibody to antigen is called

Effective immunogens generally have a molecular weight of __________or greater.

NK cells exhibit memory after interaction with target cells.

Three extrinsic factors important for immunogens include the __________ _, the routes of administration, and the foreign nature of the immunogen to the host.

Localized infections by pyogenic bacteria often form boils or abscesses.

In class switching in the secondary antibody response, the most common antibody switch is from

Intrinsic properties of immunogens include

An antibody or TCR interacts with a distinct portion of an antigenic molecule called an antigenic__________ .

Why must the adaptive immune system develop a capacity to discriminate between foreign antigens and host antigens?

A cross- reaction is an interaction between an antibody or TCR and

Tolerance is the acquired ability to make an adaptive immune response directed to self antigens.