Human Anatomy & Physiology, 8e (Marieb/Hoehn)Chapter 20 The Lymphatic System and Lymphoid Organs and TissuesMatching QuestionsFigure 20.1Using Figure 20.1, match the following:1) Axillary node(s).Answer: BDiff: 2 Page Ref: 755; Fig. 20.2a2) Cisterna chyli.Answer: DDiff: 2 Page Ref: 755; Fig. 20.2a3) Entrance of thoracic duct into subclavian vein.Answer: ADiff: 2 Page Ref: 755; Fig. 20.2a1Copyright © 2010 Pearson Education, Inc.4) Thoracic duct.Answer: CDiff: 2 Page Ref: 755; Fig. 20.2a5) Lymphatic collecting vessels.Answer: EDiff: 3 Page Ref: 755; Fig. 20.2aFigure 20.2Using Figure 20.2, match the following:6) Efferent vessels.Answer: EDiff: 2 Page Ref: 757; Fig. 20.4a7) Cortex.Answer: CDiff: 2 Page Ref: 757; Fig. 20.4a8) Medullary cord.Answer: DDiff: 2 Page Ref: 757; Fig. 20.4a9) Trabecula.Answer: ADiff: 2 Page Ref: 757; Fig. 20.4a10) Medulla.Answer: DDiff: 2 Page Ref: 757; Fig. 20.4a2Copyright © 2010 Pearson Education, Inc.Match the following:A) Thoracic ductB) SpleenC) LymphD) Lymph nodesE) Peyer's patches11) Protein-containing fluid within lymphatic vessels.Diff: 1 Page Ref: 75312) Stores blood platelets.Diff: 1 Page Ref: 75813) Receives lymph from most of the body.Diff: 2 Page Ref: 75414) Small organs intimately associated with lymphatic vessels.Diff: 2 Page Ref: 75615) Largest lymphatic organ.Diff: 2 Page Ref: 75816) Isolated clusters of lymph follicles found in the wall of the small intestine.Diff: 2 Page Ref: 760Answers: 11) C 12) B 13) A 14) D 15) B 16) ETrue/False Questions1) Peyer's patches are clusters of lymphoid tissue found primarily in the large intestine.Answer: FALSEDiff: 1 Page Ref: 7602) The lymphatic capillaries function to absorb the excess protein-containing interstitial fluid andreturn it to the bloodstream.Answer: TRUEDiff: 1 Page Ref: 753-7543) Lymph always flows away from the heart.Answer: FALSEDiff: 1 Page Ref: 7534) Lymphatic capillaries are permeable to proteins.Answer: TRUEDiff: 1 Page Ref: 7543Copyright © 2010 Pearson Education, Inc.5) Digested fats are absorbed from the intestine by the lymph capillaries.Answer: TRUEDiff: 1 Page Ref: 7546) Chyle is delivered to the blood via the lymphatic system.Answer: TRUEDiff: 1 Page Ref: 7547) All lymphoid organs develop from mesoderm.Answer: FALSEDiff: 1 Page Ref: 7618) About 3 liters of fluid are lost to the tissue spaces every 24 hours and are returned to the bloodstream as lymph.Answer: TRUEDiff: 1 Page Ref: 7549) Because lymph vessels are very low-pressure conduits, movements of adjacent tissues are important in propelling lymph through the lymphatics.Answer: TRUEDiff: 1 Page Ref: 75410) Lymphoid tissue is mainly reticular connective tissue.Answer: TRUEDiff: 1 Page Ref: 75611) Lymphocytes reside temporarily in lymphoid tissue, then move to other parts of the body.Answer: TRUEDiff: 1 Page Ref: 75612) All the lymphoid organs are well developed before birth.Answer: FALSEDiff: 1 Page Ref: 76113) An infected lymph gland is called a bubo.Answer: TRUEDiff: 1 Page Ref: 75714) When tissues are inflamed, lymphatic capillaries develop openings that permit uptake of large particles such as cell debris, pathogens, and cancer cells.Answer: TRUEDiff: 2 Page Ref: 75415) The cisterna chyli collects lymph from the lumbar trunks draining the upper limbs and from the intestinal trunk draining the digestive organs.Answer: FALSEDiff: 2 Page Ref: 7544Copyright © 2010 Pearson Education, Inc.16) If even a small part of the spleen is left in a ten-year-old child, it will most likely regenerate itself.Answer: TRUEDiff: 1 Page Ref: 75817) All lymphatic organs are composed of epithelial tissue.Answer: FALSEDiff: 1 Page Ref: 75818) The most important role of the spleen is to provide a site for lymphocyte proliferation and immune surveillance and response. Answer: FALSEDiff: 2 Page Ref: 75819) The simplest lymphoid organs are the lymph nodes.Answer: FALSEDiff: 2 Page Ref: 756Multiple-Choice Questions1) Small organs associated with lymphatic vessels are termed ________.A) lymph folliclesB) lymph nodesC) axillary nodesD) cisterna chyliAnswer: BDiff: 1 Page Ref: 7562) Which of the following would not be classified as a lymphatic structure?A) pancreasB) spleenC) tonsilsD) Peyer's patches of the intestineAnswer: ADiff: 1 Page Ref: 758; Fig. 20.53) The distal portion of the small intestine contains clumps of lymph follicles called ________.A) islets of LangerhansB) Peyer's patchesC) rugaeD) villiAnswer: BDiff: 1 Page Ref: 760; Fig. 20.55Copyright © 2010 Pearson Education, Inc.4) Both lymph and venous blood flow are heavily dependent on ________.A) the pumping action of the heartB) skeletal muscle contractions and differences in thoracic pressures due to respiratory movementC) contraction of the vessels themselvesD) two-way valvesAnswer: BDiff: 1 Page Ref: 7545) The thymus is most active during ________.A) fetal developmentB) childhoodC) middle ageD) old ageAnswer: BDiff: 1 Page Ref: 7596) Which lymphatic structure drains lymph from the right upper limb and the right side of the head and thorax?A) lumbar trunkB) thoracic ductC) right lymphatic ductD) cisterna chyliAnswer: CDiff: 1 Page Ref: 7547) What effect does age have on the size of the thymus?A) The size of the thymus increases continuously from birth to death.B) The size of the thymus decreases continuously from birth to death.C) The thymus is not affected by age.D) The thymus initially increases in size and then decreases in size from adolescence through oldage.Answer: DDiff: 1 Page Ref: 7598) The lymphatic capillaries are ________.A) more permeable than blood capillariesB) less permeable than blood capillariesC) as permeable as blood capillariesD) completely impermeableAnswer: ADiff: 1 Page Ref: 753-7546Copyright © 2010 Pearson Education, Inc.9) Antibodies that act against a particular foreign substance are released by ________.A) T lymphocytesB) plasma cellsC) lymph nodesD) medullary cordsAnswer: BDiff: 1 Page Ref: 75610) Lymph leaves a lymph node via ________.A) efferent lymphatic vesselsB) afferent lymphatic vesselsC) the cortical sinusD) the subscapular sinusAnswer: ADiff: 1 Page Ref: 75711) Which cells become immunocompetent due to thymic hormones?A) basophilsB) lymphocytesC) macrophagesD) monocytesAnswer: BDiff: 1 Page Ref: 75912) Functions of the spleen include all of those below except ________.A) removal of old or defective blood cells from the bloodB) forming crypts that trap bacteriaC) storage of blood plateletsD) storage of