Exam 13: Lymphatic System and Defenses Against Disease

The antibody that acts as a receptor on the surface of B cell is

Disorders in which the lymphoid system attacks self antigens are called

________ and respiratory movements move lymph upward through lymphatic vessels and trunks below the heart.

The antibody that is capable of crossing the placental barrier and is responsible for the Rh incompatibility between an Rh negative mother and an Rh positive fetus is

The first step in a B-cell's defense against a microorganism is to

When inflamed, the ________ tonsils are also known as adenoids.

T- helper cells act in immune pathways by

Materials moving between body cells and blood capillaries pass through the _________, which surrounds all tissue cells.

________ in lymphatic vessels and trunks prevent a backflow of blood.

Excess interstitial fluid is collected and returned to the blood by the

What must be matched between donor and recipient in organ transplantation?

Blood is filtered and cleansed, and erythrocytes are stored in the

An activated _______ rapidly divides to form a clone of plasma cells, which produce antibodies and memory cells.

________, a localized response to infection, attracts leukocytes to the affected tissues to destroy the pathogens.

An innate, non-specific defense against the action of viruses that cells infected with viruses can produce is ___________.

________ mature in the thymus gland and release chemicals to destroy pathogens or activate other immune cells.

The antibody primarily active in allergic responses and the activation of basophils is

Lymph from most of the body is returned to the blood in the _________ vein.

An immune response begins when a ________ is activated by binding to both a foreign antigen and a self antigen on an antigen presenting cell's plasma membrane.

What structure collects lymph from approximate 3/4 of the body?