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KNOW THE DIFFERENT CELLS THAT CAN BECOME PLASMA CELLS. -activated B cells -isotype switched, somatically hyper mutated centrocytes -memory B cells What are the components of the B cell co-receptor ( CR2 is one of them) -CR2: complement receptor-2: binds to complement deposited on the pathogen -CD19: receptor signaling -CD81/TAPA-1: binds to CD19 and is essential and bringing it to the B cell surface What does CR1 do for the co-receptor CR1 binding to C3b on a pathogen facilitates the cl...

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PCB 3233 Immunology Final- Weigel Questions and Answers 2026

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mast cells involved in allergic responses in tissue eosinophils Stain red fight parasitic worm infections basophils stain with basic dyes (blue); controlling immune responses to parasites involved in allergic responses in blood megakaryocyte a bone marrow cell responsible for the production of blood platelets when its cytoplasm becomes fragmented erythrocytes Oxygen carrying cell (RBC) antibodies (Abs) immunoglobulins; - part of humoral immunity MALT defends mucosal surfaces li...

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PCB 3233 - Final Exam Graded A+ 2026

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What are the primary adaptive immune cells? B and T cells What cells are lymphocytes? NK, B, and T cells What does the red pulp of the spleen do? erythrocyte (RBC) filtration What does the white pulp of the spleen do? leukocyte (WBC) filtration inactivation by Factor H and I results in an opsonin -NOT a convertase this is what C ic3b DAF stands for decay accelerating factor MCP stands for membrane cofactor protein inhibit the activity of bacterial proteases alpha2-macroglobu...

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PCB 3233 Exam 4 Study Guide 2026

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start of chapter 7 Where does T-cell maturation take place? T-cell maturation takes place in the thymus Be able to understand some similarities and differences between B cell and T cell development. a. Examples: Where do they derive? What cellular mechanisms or processes are shared between the two? What comprises their cell lineages? Both B-cells and T-cells derive from the bone marrow stem cells but the T-cell moves to the thymus to mature while the B-cell stays in the bone marrow. Both ...

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PCB 3233 Immunology, Exam 4 Questions with Correct Answers 2026

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2 Distinct T-Cell Lineages a:b & g:d (α:β & γ:δ) Positive Selection leads to the death of immature T-cells having receptors that do not interact with any self-MHC I or II (takes place prior to negative selection) Negative Selection induces death of those immature T-cells that are autoreactive (also happens with B-cells) Majority Lineage Type of T-Cell a:b (α:β 95%) Minority Lineage Type of T-Cell g:d (γ:δ 5%) What is another word for immature T-cell? thymocyte What is the epi...

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PCB 3233 - Immunology Exam 3 with Correct Answers 2026 Update

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Helper T cells associate with which class of MHC molecules? MHC Class 2 (extracellular infection) BCR (B cell receptor) and TCR (T cell receptor), how are they created and where in the body are they created? As a result of Gene Arrangement (VDJ Somatic Recombination). - BCR: produced in Bone Marrow - TCR: produced in Thymus Interferon function Viral fighting, they activate NK cells which then tell our infected cells to die by apoptosis. BCR and TCR how are they created? somatic recombin...

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PCB 3233 Exam 2 Study Questions with Correct Answers 2026 Graded A+

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What are two cells that use receptors to distinguish between self and non-self cells? -Macrophages -NK Cells C3b is a ligand for Macrophage CR1 CR3 & CR4 Recognize iC3b & other ligands including LPS Lectins Carbohydrates-binding proteins ex: Mannose & glucose receptors Scavenger Receptors Prefer molecules that are negatively charged like nucleic acids, LPS. Phagocytic Receptors Bind directly to microbial surface components What do surface receptors promote? Phagocytosis PRR's ...

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PCB 3233 Exam 1 UCF Questions and Answers 2026

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Immunology is the study of physiological mechanisms that are used to defend the body from invasion by foreign or infectious agents In response to diseases caused by infectious agents, the body develops cells dedicated to defense, these form... the immune system protective/adaptive immunity takes time to develop while ________________________ can _________ _______- and cause disease microorganisms can rapidly multiply Immunity involves two responses: 1. Flexible but specific defenses of th...

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NURS 100 WCU FINAL EXAM |QUESTIONS AND ANSWERS| GRADED A+ 2026

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INTRAPERSONAL COMMUNICATION Communication within an individual (self-talk) SMALL GROUP COMMUNICATION Communication within a group of people working towards a mutual goal. S.O.L.E.R. S- sit facing the patient O- open posture L- lean forwards the patient E- eye contact R- relax "Do" for communication Silence Present reality Actively listen Ask questions (SOLER) Use open-ended questions Summarize Offer self Touch Set boundaries! "Don't of communication Ask irrelevan...