BIO 242 EXAM 3 VERIFIED STUDY GUIDE TOP-GRADED 2024

Which lines of defense would be considered nonspecific? - First line of defense Second line of defense Differentiate between components of first and second line defense - FIRST:Physical and Chemical barriers SECOND: phagocytosis, inflammation, fever, antimicrobial proteins FLOD: lysozome - is secreted in tears in saliva What human body region is protected by fatty acids, acidic pH, lactic acid, and tough cell barrier with its own normal biota? - skin The sweat doud on skin and saliva in the mouth attributed to what line of defense? - First line Eosinophils - attack parasitic helminths Basophils - - make up less than .5% of circulating WBCs - granules contain histamine When monocytes migrate from the blood out to the tissues, they are transformed by inflammatory mediators to develop into________ - Macrophages Inflammation- Cardinal Signs - - Rubor: redness - Calor: warmth -Tumor: swelling Dolor: pain The third line of defense against foreign invaders van be describes as having _______ and _______ - Specificity and Memory A foreign molecule that causes a specific immune response is an ______ - Antigen ___ cells are part of the humoral immunity and mature in the BM - B cells ____ cells are part of the cell mediated immunity and mature in the thymyus - T cells The most abundant class of antibodies in serum is - IgG _____ cells secrete antibodies - Plasma