Exam 17: The Lymphatic System and Immunity

The fluid that filters out of the capillaries into the spaces between the cells in tissues is returned to the blood by a combination of transport in the lymphatic system and reabsorption on the venous end of the capillary network.

Which of the following is the largest single mass of lymphatic tissue found in the human body?

The spleen is unique among the lymphatic organs because it stores

For transplant patients, histocompatibility deals with the similarity in MHC antigens between the organ donor and the organ recipient.

Which of the following types of cells destroy infected host cells by releasing granzymes that induce apoptosis?

Increased capillary permeability and vasodilation at a site of inflammation is stimulated by release of histamine from mast cells, basophils, and platelets.

Dendritic cells, macrophages, and B cells are all capable of presenting antigens to other immune cells.

Worn-out and damaged red blood cells are destroyed in the

It has been shown that mosquitoes can transmit the HIV virus.

Mother's milk will provide the infant with

Before cytotoxic T cells attack infected cells, they must specifically recognize an antigen on the surface of the infected cell.

Describe the sequence of lymphatic vessels and tissues used to carry lymph from the tissues back to the blood.

Phagocytosis is the ingestion of microbes or other particles like cell debris by phagocytes.

Which of the labeled cells in the diagram is a plasma cell?

List the main components of the physical barriers used as the first line of defense against disease-causing microorganisms.

As humans get older, their immune system has a tendency to produce more antibodies against their own body's tissues. These antibodies are called

Fat-soluble vitamins are transported from their site of absorption in the gastrointestinal tract to the bloodstream using the lymphatic system.

Which of the following lymphatic structures are associated with the spleen?

The main class of antibody that is secreted by plasma cells immediately after the initial exposure to any antigen is

To activate B cells, an _____ (labeled C)on a microbe binds to a(n)_____ (labeled A)on the surface of a specific population of B cells.