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cytokines ___________ are small soluble proteins produced by many immune cells and are a way of communication between cells cytokines TLR, NLR or RLR A PRR that lead to mostly activation TLR, NLR or RLR myeloid __________: gives rise to eosinophils, neutrophils and monocytes myeloid lymphoid __________: gives rise to T, B and NK cells lymphoid scavenger, lectin A PRR that lead mostly to phagocytosis scavenger, lectin IFN _________ are cytokines that interfere with viral replicat...

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It is well documented that antibody affinities for an immunizing antigen continue to increase upon successive rounds of immunization (i.e. secondary, tertiary, etc). This is due to the fact that: - CORRECT ANSWER-memory B cells can re-enter germinal centers and undergo additional somatic hypermutation What is the cell type most characteristically associated with the gut associated lymphoid tissue (GALT)? - CORRECT ANSWER-microfold (M) cells Intestinal epithelium and lamina propria contain ...

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6 pages

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Integrin- dependent T cell adhesion to antigen presenting cells increases substantially following TCR stimulation. This increased integrin- dependent adhesion is mediated in part by: - CORRECT ANSWER-LFA-1 conversion to a high affinity binding state Like TCR signaling, B cel receptor (BCR) signaling is initiated by kinase phosphorylating tyrosine resides in ITAM motids of BCR signaling subunit - CORRECT ANSWER-True Lymphocyte activation leads to robust proliferation and effector cell dif...

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Epithelial surfaces provide the first line of defense against infection by the use of several types of mechanisms. One of the chemical mechanisms used by epithelia is: Secretion of antimicrobial peptides by epithelial cells 3 multiple choice options Neutrophil defensins are _________. short peptides Which of the following statements is TRUE of lysozyme? Lysozyme splits peptidoglycan 3 multiple choice options T/F: The classical and lectin pathways of complement activation converge at the...

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