Exam 25: Immune Mechanisms

Plasma cells usually live for about one

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

Which of the following uses its cell wall glycolipids to absorb hydroxyl radicals and superoxide anions?

Self-reactive T cells are eliminated during the development of tolerance in the immune system.

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

Which of the following is associated with mucosa-associated lymph tissue that produces IgA?

The antigen that induces an antibody or TCR is called the

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 cells recognize antigens with their

When dendritic cells ingest antigen,they migrate to the ________,where they present the antigen to T lymphocytes.

IgE is found in extremely small amounts in serum.

TC cells express a(n)________ protein co-receptor.

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

Which antibodies bind complement?

The inducing antigens that react with an antibody are called heterologous antigens.

Which of the following are found on the surfaces of ALL nucleated cells?

Staphylococcus aureus produces carotenoids that neutralize singlet oxygen and prevent killing.

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

The deactivation of NK cells due to binding of NK receptors to MHC I proteins is called

Substances that induce an immune response are known as