UCF Immunology- Exam 1 Questions and Answers Solved 100%

A single lymphocyte will have a receptor with a? - Single specificity. One cell may have many receptors (~120,000) but all will recognize the same epitope. Adaptive Immune system - •Takes longer to develop (~7 days) •Is highly specific for antigens, including those associated with microbes •Uses one type od receptor to recognize many different pathogens •Primary immune response = first time the adaptive immune response is activated against a pathogen. •Secondary immune response = any time the adaptive immune response is activated against a pathogen that it has been exposed to before •Remembers that it has encountered a microbe previously •(i.e. shows memory) Adaptive response lymphocytes? - B and T Affinity is the? - Strength that it binds An antigen can have? - Multiple epitopes And example of fungal infection is? - candida albicans which causes thrush Another name for antibodies is? - Immunoglobulins Are all bacteria in your body bad? - No commensal bacteria is not bad for your body Are receptors found on human cells or pathogen cells - on the pathogen cells Basophils and Mast cells are with? - an allergic responseBasophils and mast cells both have ? - dark granules Basophils are what color staining? - Purple blue Both Innate and Adaptive systems work together through? - •Direct cell contact •Interactions involving chemical mediators •Cytokines and Chemokines C-reactive protein - Activate classical complement cascade Complement is apart of the innate or adaptive system? - Innate CR1 recognizes? - C3b CR2 is a? - B-cell coreceptor and recognizes C3d CR3 and CR4 recognize? - iC3b Defensins do what? - Poke holes in the pathogen Dendritic cells - - Main function is the presentation of antigen to T cells Eosinophils help fight? - parasitic worm infections Eosinphils are what color staining? - Orangey red Follicular dendritic cells (FDC) hold intact? - antigens in specialized areas of lymphoid tissuesGenerally takes about a ___________ before the benefits of a primary immune response are realized. - Week Gram negative is what color? - Pink Gram positive is what color? - Purple