Exam 20: The Lymphatic System and Lymphoid Organs and Tissues

The most important role of the spleen is to provide a site for lymphocyte proliferation and immune surveillance and response.

Figure 20.1 Using Figure 20.1, match the following: -Thoracic duct.

Which of the following is considered a primary lymphoid organ?

Figure 20.1 Using Figure 20.1, match the following: -Collecting lymphatic vessels.

Select the correct statement about lymphoid tissue.

Describe the structural and functional relationship between a capillary bed of the blood vascular system and lymphatic capillaries.

Like blood,lymph flows both to and from the heart.

Lymphatic ________ are formed from the union of the largest collecting lymphatic vessels.

From the right leg,lymph moves in which order?

Lymphoid tissue is mainly reticular connective tissue.

Peyer's patches are clusters of lymphoid tissue found primarily in the large intestine.

Which of the following is NOT a function of lymph nodes?

The thymus is most active during ________.

Peyer's patches are found in the distal portion of the ________.

Lymph capillary permeability is due to minivalves and protein filaments.

As the human immunodeficiency virus (HIV)progresses,some individuals develop persistent generalized lymphadenopathy (any disease of the lymph nodes).Explain why this may occur.

The most important of the secondary lymphoid organs in the body are the lymph nodes.

A nurse palpated enlarged lymph nodes.Describe signs and symptoms that help to distinguish cancerous lymph nodes from infected lymph nodes.

Match the following: -Receives lymph from most of the body.

About 3 liters of fluid are lost to the tissue spaces every 24 hours and are returned to the bloodstream as lymph.