LYMPHATIC SYSTEMVersión en línea sdiifhriuefhuidevbusdkbcwdoubfdeuofberifhb por shamira 1 What is one primary function of the lymphatic system a producing hemoglobin b filtering oxygen c carrying out immune response d transporting red blood cells 2 lymphatic capillaries are characterized by a open ends b a one-way structure c thicker walls than veins d constant movement of lymph 3 which lymphatic duct drains most of the body a right lymphatic duct b coronary duct c thoracic duct d subclavian duct 4 what aids in lymph transport a arterial pressure b skeletal muscle pumps c veins only d gravity 5 which cells are responsible for producing antibodies a t cells b b cells c dendritic cells d natural killer cells 6 what type of immunity is present at birth a adaptive immunity b acquired immunity c innate immunity d artificial immunity 7 which organs is the site of t cell maturation a bone marrow b spleen c thymus d lymph node 8 which lymphatic organ is the largest single mass of lymphatic tissue a thymus b appendix c spleen d tonsils 9 what is the functional unit of lymph nodes a red pulp b cortex and medulla c dendritic cells d blood vessels 10 which type of immunity involves memory cells a innate immunity b adaptive immunity c first line defense d artificial immunity 11 what are muosa-associated lymphatic tissues (MALT) a primary lymphatic organs b tonsils, peyer's patches, appendix c clusters of red blood cells d structures in the spleen 12 which is a first line defense a inflammation b skin and mucous membranes c cytotoxic t cells d complement proteins 13 what substances breaks down bacteria cell walls in tears a sebum b mucus c lysozyme d interferons 14 which cells kill infected cells without prior activation a B cells b Dendritic cells c Natural killer cells d cytotoxic t cells 15 what are the signs of inflammation a fever, rash, sneezing, pain b redness, nausea, fever, swelling c redness, pain, swelling, heat d pain, fever, rash, bleeding 16 where do B cells mature a thymus b spleen c red bone marrow d lymph nodes 17 which antibody is the most abundant in the blood a IgA b IgE c IgG d IgM 18 which organs store platelets a thymus b lymph nodes c tonsils d spleen 19 what triggers the activation of helper T cells a memory cells b cytotoxic T cells c antigens bounds to MHC-|| molecules d plasma cells 20 what do cytotoxic T cells release to destroy infected cells Choose one or more answers a antibodies b cytokines c perforin and granzymes d histamines 21 what is the function of the thymus a T cell maturation b antigen production c red blood cell filtration d platelet storage 22 what do lymph nodes filter a blood plasma b oxygen c lymph d hormones 23 what do dendritic cells do a attack and kill infected cells b present antigens to T cells c store lymphocytes d produce antibodies 24 which is a primary lymphatic organ a spleen b thymus c tonsils d lymph nodes 25 what does the red pulp of the spleen do a filter oxygen b produce antibodies c remove worn-out red blood cells d store lymphocytes 26 what type of immunity is mediated by B cells a innate immunity b antibody-mediated immunity c cell-mediated immunity d passive immunity 27 what is the function of major histocompatibility complex molecules a trigger antibody production b help T cells recognize self and foreign antigens c kill antigens directly d activate natural killer cells 28 what occurs during clonal selection of lymphocytes a suppression of immune responses b proliferation and differentiation c lymphatic drainage d elimination of memory cells 29 which cell types directly attacks and destroys infected cells a helper T cells b Cytotoxic T cells c dendritic cells d natural killer cells 30 which is a endogenous antigen a toxin in a blood b bacteria in the lymph c a viral protein inside an infected cell d dust particles in the respiratory tract 31 what is the role of helper T cells in immunity a produce antibodies b secrete sytokines to activate other immune cells c directly destroy microbes d act as macrophages 32 where are antigens presented T cells a in the blood b on platelets c on the plasma membrane of antigens presenting cells d in the spleen only 33 what is the function of memory cells a produce antigens b fight infections immadiately c respond to future infections more rapidly d neutralize toxins 34 which is a function of antibodies a destory red blood cells b neutralize toxins c create new B cells d release histamines 35 what ade peyer's patches a clusters of spleen tissue b lymph nodes in the neck c lymphatic nodules in the small intestine d bone marrow aggregates
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