Chapter 20: Lymphatic System

Lymphatic vessels and lymph node structures are apparent by the ___ week of embryonic development

Macrophages initiate phagocytosis and antigen presentation

Solid, spherical bodies consisting of tightly packed reticular fibers and lymphoid cells, often with a lighter-staining

Which is NOT a function of lymph nodes?

Where worn-out red blood cells and blood-borne pathogens are destroyed, large number of erythrocytes & macrophages

Reticular cells diffuse and scatter white blood cells throughout the body

Lymphocytes contain T & B cells for specific immunity

Which is NOT true about the tonsils?

The movement of fluid through the lymphatic vessels is assisted by:

Cells found in the lymphatic system consist of:

Set of distributed lymphoid tissues in mucous membranes throughout the body to protect against pathogens

Which is NOT true about the appendix?

Which function of lymphatic capillaries is not correct?

Which of these is NOT a drain region for trunks?

Largest & most commonly infected tonsils that are located on either side at the posterior end of oral cavity

Peyer's patch(aggregated lymphoid nodules):large clusters of lymphoid follicles(like tonsils)at wall of large intestine

Tonsils who identify as the collective term for a lumpy collection of lymphoid follicles at the base of the tongue

Where immune function takes place and WBS on reticular fibers form "cuffs" around central arteries

Which is NOT true about the spleen?

From which blood vessel does the splenic artery arise?

Any disease of the lymph nodes.

Tonsils surrounding the openings of the auditory tubes into the pharynx

Secondary lymphoid tissue is where:

Dendritic cells make the stroma of the lymph tissue and support the white blood cells

The fluid that passes through lymphatic vessels:

A malignancy of lymphoid tissue; presence of giant malignantly transformed B cells, treated with chemotherapy &radiation

The splenic vein empties into which blood vessel?

Lymphatic vessels that are rich in fat:

White and red pulp can be found in which lymphatic organ?

Any neoplasm (tumor) of the lymphoid tissue, whether benign or malignant.

Large clusters of aggregated lymphoid nodules , similar to tonsils, in the wall of distal portion of the small intestine

The spleen is the largest lymphatic organ

Which of the following is NOT a function of the lymphatic system?

tropical disease where the lymphatics become clogged with parasites, swelling (due to edema)reaches enormous proportions

Which statement about lymph nodes is NOT true?

Tonsils located in the posterior wall of the nasopharynx

Which statement is true about collecting vessels?

Ducts join at the CNS at junction of jugular and subclavian veins and empties on its own side of the body

Lymphatic capillaries resemble blood capillaries because they both:

Is all cancers of lymphoid tissue except Hodgkin’s lymphoma, affects young people, grows quickly but responds to chemo.

The primary lymphoid organs where B and T cells are mature are:

Lymph transport involves all of the following, EXCEPT: