ch22 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The lymphoid system is composed of all of the following, except A) lymph nodes. B) the venae cavae. C) the spleen. D) lymphatic vessels. E) lymph. 1) 2) The primary function of the lymphoid system is A) the transport of hormones. B) defending the body against both environmental hazards and internal threats. C) the production and distribution of plasma proteins. D) circulation of nutrients. E) both B and D 2) 3) The lymphoid system does all of the following, except that it A) fights infection. B) eliminates variations in the composition of interstitial fluid. C) transports lipids from the digestive tract. D) helps maintain normal blood volume. E) transports gases to and away from lymph nodes. 3) 4) Compared to blood capillaries, lymph capillaries exhibit all of the following, except that they A) have no basement membrane. B) are smaller in diameter. C) are frequently irregular in shape. D) are larger in diameter. E) have walls of endothelial cells that overlap like shingles. 4) 5) Most of the lymph returns to the venous circulation by way of the A) right lymphatic duct. B) thoracic duct. C) cisterna chyli. D) dural sinus. E) hepatic portal vein. 5) 6) The thoracic duct drains lymph from all of the following regions, except the A) left breast. B) left side of neck. C) right breast. D) pelvic viscera. E) left arm and shoulder. 6) 1
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except that they A) remove excess nutrients from the lymph. B) accumulate cancer cells. C) produce antibodies. D) remove debris and pathogens from the lymph. E) monitor the contents of lymph. 7) 8) All of the following are true of the thymus gland, except that it A) involutes after puberty. B) lies in the anterior mediastinum. C) produces T cells. D) activates B cells. E) reaches its greatest relative size during the second year of life. 8) 9) In general, lymphocytes A) spend most of their time in lymphoid tissue. B) have relatively long life spans. C) have two nuclei. D) all of the above E) A and B only 9) 10) Lymphocytes A) are primarily found in red bone marrow. B) respond to antigens. C) are actively phagocytic. D) destroy red blood cells. E) decrease in number during infection. 10) 11) Lymphocytes may be found in which of the following tissues or organs? A) lymph nodes B) tonsils C) spleen D) thymus E) all of the above 11) 12) ________ are large lymphoid nodules that are located in the walls of the pharynx. A) Tonsils B) Lymph nodes C) Immune complexes D) Peyer patches E) Spleens 12) 13) ________ are clusters of lymphoid nodules deep to the epithelial lining of the small intestine. A) Tonsils
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This note was uploaded on 09/21/2011 for the course BIOL 2401 taught by Professor Rameriz during the Spring '11 term at University of Texas at Dallas, Richardson.

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ch22 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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