Chapter 22 Lymphatic System and Immunity Quiz

Chapter 22 Lymphatic System and Immunity Quiz - 1. Which of...

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1. Which of these statements about the lymphatic system is (are) true? (p. 703) In the spleen, reticular cells form a blood-splenic barrier. The thymus is an important filter for lymphatic fluid. The tonsils are areas of diffuse lymphatic tissue that increase in size with age. The spleen filters blood, removing microorganisms and other foreign substances. all of these are true. 2. The tonsils that are referred to as "the tonsils" are the (p. 703) lingual tonsils. palatine tonsils. pyloric tonsils. pharyngeal tonsils. splenic tonsils. 3. Which of these is NOT a location for aggregations of lymph nodes? (p. 705) axillary (armpit) region cervical region inguinal (groin) region around the heart around the intestines 4. Lymph nodes (p. 705) have one efferent and many afferent vessels. have germinal centers where lymphocytes divide. filter the blood. are attached to blood vessels. pump lymph toward the heart. 5. Lymphatic organs (p. 703-708) contain many neutrophils. may filter blood or lymph. contain dense collagen fibers. include the pancreas and adrenal glands. all of these
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6. The spleen (p. 706) has white pulp which is associated with the venous supply. has red pulp which is associated with the arterial supply. filters lymph and puts it back in the blood. acts as a blood reservoir. destroys worn-out lymphocytes. 7. The thymus (p. 706) decreases in size in adults. produces neutrophils that move to other tissues. responds to foreign substances in the blood. produces a hormone called lymphopathin. all of these 8. With innate immunity, (p. 707) each time the body is exposed to a substance, the response is the same. specificity and memory are involved. the body may become immune to a disease. antibodies may be produced. all of these
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This note was uploaded on 01/04/2012 for the course BIO 324 taught by Professor Crawford during the Spring '09 term at Western Kentucky University.

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Chapter 22 Lymphatic System and Immunity Quiz - 1. Which of...

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