Textbook QuestionMultiple Choice More than one choice may apply. Where exactly does an antigen bind to an antibody molecule? a. b. c. d.202views
Textbook QuestionOnce 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?290views
Textbook QuestionIdentify 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. ___195views
Textbook QuestionA 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?250views
Multiple ChoiceThe lymphoid organ(s) located in the throat that defend(s) against invading bacteria coming in through the mouth and nose is/are __________.669views3rank
Multiple ChoiceAreas of lymphocytes suspended by reticular fibers in the spleen are known as __________.907views1rank
Multiple ChoiceCollections of lymphoid tissue that guard mucosal surfaces (MALT) include all the following EXCEPT __________.1492views3rank
Textbook QuestionThe lymphoid organ that functions primarily during youth and then begins to atrophy is the a. spleen, b. thymus, c. palatine tonsils, d. bone marrow.219views
Textbook QuestionFill in the blanks: The lymphoid organ that filters the blood is the ______, and the lymphoid organ that filters the lymph is the______.179views
Multiple ChoiceWhich of the following statements about the development of lymphocytes is correct?194views3rank
Textbook QuestionList the specific functions of each of the body's primary and secondary lymphoid tissues and organs.199views
Textbook QuestionRed blood cells that are damaged or defective are removed from the bloodstream by the (a) thymus, (b) lymph nodes, (c) spleen, (d) tonsils.191views
Textbook QuestionThe structural framework of lymphoid organs is a. areolar connective tissue, b. hematopoietic tissue, c. reticular tissue, d. adipose tissue.237views1rank
Textbook QuestionThe interaction between the antigen-binding site of the antibody and the epitope of the antigen is:216views1rank
Multiple ChoiceAggregates of lymphoid nodules located in the wall of the ileum of the small intestine are __________.984views3rank
Multiple ChoiceA 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?190views2rank
Textbook QuestionMark the following statements as true or false. If a statement is false, correct it to make a true statement.e. Clusters of MALT located around the oral and nasal cavities are known as Peyer's patches.203views
Textbook QuestionMultiple Choice 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.270views
Multiple ChoiceWhich structure, attached to the cecum, is in an ideal location to destroy bacteria before they breach the intestinal wall?799views3rank
Textbook QuestionStem cells responsible for lymphocytopoiesis are located in (a) the thymus and spleen, (b) the lymph nodes, (c) the red bone marrow, (d) all of these structures.208views
Multiple ChoiceWhich lymphatic structure may also be a site of erythrocyte production in the fetus?1009views3rank
Textbook QuestionThe red pulp areas of the spleen are sites of a. splenic sinusoids, macrophages, and red blood cells, b. clustered lymphocytes, c. connective tissue septa.335views
Textbook QuestionCollections of lymphoid tissue (MALT) that guard mucosal surfaces include all of the following except a. appendix follicles, b. the tonsils, c. Peyer's patches, d. the thymus.288views
Multiple ChoiceWhich of the following is/are the major lymphoid organ(s) that "train(s)" T lymphocytes to become immunocompetent?742views3rank
Textbook QuestionThe germinal centers in lymph nodes are largely sites of a. macrophages, b. proliferating B lymphocytes, c. T lymphocytes, d. all of these.340views1rank
Multiple ChoiceIn addition to its lymphoid function, which organ holds a reservoir of platelets?998views3rank
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