20. The Lymphatic System

Aggregates of lymphoid nodules located in the wall of the ileum of the small intestine are __________.

Multiple ChoiceMore than one choice may apply.Where exactly does an antigen bind to an antibody molecule?a. b. c. d.

Once almost a rite of childhood, tonsillectomy (surgical removal of the tonsils) is now rarely performed. Similarly, while ruptured spleens were once routinely removed, they are now conserved whenever possible. Why should these lymphoid organs be preserved when possible?

Identify the structures of the lymphatic system in the following diagram. a. ___b. ___c. ___d. ___e. ___f. ___g. ___h. ___i. ___j. ___k. ___l. ___m. ___n. ___o. ___p. ___q. ___

A friend tells you that she has tender, swollen 'glands' along the left side of the front of her neck. You notice that she has a bandage on her left cheek that is not fully hiding a large infected cut there. Exactly what are her swollen 'glands,' and how did they become swollen?

The spleen's white pulp is composed primarily of __________.

The lymphoid organ(s) located in the throat that defend(s) against invading bacteria coming in through the mouth and nose is/are __________.

Areas of lymphocytes suspended by reticular fibers in the spleen are known as __________.

Collections of lymphoid tissue that guard mucosal surfaces (MALT) include all the following EXCEPT __________.

The lymphoid organ that functions primarily during youth and then begins to atrophy is thea. spleen,b. thymus,c. palatine tonsils,d. bone marrow.

Which of the following statements about the spleen is FALSE?

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.