Study Guide_Exam 2(1).docx - Exam 2(Ch 22 23 Ch 22...

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Exam 2 (Ch 22 & 23) Ch 22: Lymphatic System Components of the lymphatic system Lymph Lymph vessels (capillaries, vessels, trunks, ducts) Primary lymphatic organs o Bone marrow o Thymus Secondary lymphatic organs o Spleen o Lymph node o MALT o Tonsils Ch 22: Immunity Innate immunity 1 st line of defense o Skin & mucous membrane 2 nd line of defense o Cells; e.g. phagocytes, NK cells o Antimicrobial proteins o Inflammatory response o Fever; events leading to fever o Complement system o Phagocytes (stages) Adaptive immunity 3 rd line of defense Cell-mediated immunity o Antigens
o Antigen processing (exogenous vs endogenous) o Antigen presentation; APCs o Lymphocyte (B & T cell) structure o Clonal selection o MHC I & II o Activation of T cells (helper/cytotoxic) Antibody-mediated immunity o Antibodies (immunoglobulins) o Antibody actions o Antibody classes o B cell activation and effects o Plasma cells & memory cells o Immunological memory: Primary vs secondary response o Types of acquired immunity: Active & Passive Thymic selection (positive/negative) Hypersensitivity Ch 23: Respiratory System Major divisions (functional/organizational) Upper Respiratory: nose, nasal cavity, and pharynx Lower Respiratory: Larynx, Trachea, Bronchus, bronchioles, and lungs Conducting zone: Respiratory zone: Bronchiole, alveoli, and alveolar duct.

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