Ch. 22 - Lymphoid System & Immunity - Quiz

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memory B-cells do not differentiate into plasma cells unless they

are exposed to same antigen a 2nd time

an inflammatory response is triggered when

mast cells release histamine and heparin

____ are clusters of lymphoid nodules deep to the epithelial lining of the small intestine

peyer patches

the release of endogenous pyrogen (or interlkeukin -1) by active macrophages would

produce a fever

most of the lymph returns to the venous circulation by way of the

thoracic duct

areas of the spleen that contain large aggregations of lymphocytes are known as

white pulp

the effects of activating the complement system include all of the following, except

A. stimulation of inflammation B. destruction of target cell plasma membranes C. osponization D. inhibition of the immune response E. chemotaxis Answer: D

the body's nonspecific defenses include all of the following, except

A. the skin B. antibodies C. complement D. interferon E. inflammation Answer: B

Immunoglobulins that are most abundant and are responsible for resistance against many viruses, bacteria, and bacterial toxins are

IgG

performs are proteins associated with the activity of

NK cells

the cell responsible for the production of circulation immunoglobulins are ____ cells

Plasma

Lymphocytes that destroy foreign cells or virus-infiected cells are ___ cells

Cytotoxic T

CD8+ T cell is a marker on a ___ T-Cell and will bind ____

Cytotoxic, MHC I

Drainage of thoracic duct

empties into left subclavian vein

drainage of the right lymphatic duct

empties into right subclavian vein

antibodies crossing the placenta to provide immunity for the fetus is an example of

passive immunity


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