20. The Lymphatic System

The lymphoid organ that functions primarily during youth and then begins to atrophy is:

a. Spleen

b. Thymus

c. Palatine tonsils

d. Bone marrow

The lymphoid organ that filters the blood is the ______, and the lymphoid organ that filters the lymph is the______.

Which of the following statements about the development of lymphocytes is correct?

List the specific functions of each of the body's primary and secondary lymphoid tissues and organs.

Red blood cells that are damaged or defective are removed from the bloodstream by the

(a) Thymus

(b) Lymph nodes

(c) Spleen

(d) Tonsils

The structural framework of lymphoid organs is:

a. Areolar connective tissue

b. Hematopoietic tissue

c. Reticular tissue

d. Adipose tissue

More than one choice may apply.

Which of the following are part of MALT?

a. Tonsils

b. Thymus

c. Peyer’s patches

d. Any lymphoid tissue along the digestive tract

Carla presents to her physician with a complaint of swollen axillary lymph nodes. Her physician performs a breast exam and finds a tumor on the same side as the swollen nodes.

b. Carla undergoes surgery to have the tumor and affected lymph nodes and surrounding lymphatic vessels removed. Predict any complications Carla might have after the surgery that could arise from removal of the lymph nodes and vessels.

A patient comes to you after experiencing multiple infections in a short period of time. Analysis reveals that she has a very low white blood cell count. Which lymphoid organ is likely not functioning correctly?

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Clusters of MALT located around the oral and nasal cavities are known as Peyer's patches.

More than one choice may apply.

Developmentally, embryonic lymphatic vessels are most closely associated with the

a. Veins

b. Arteries

c. Nerves

d. Thymus gland