Pamps - Samenvattingen, Aantekeningen en Examens

HMX Immunology Key-Concepts Review 2023 Exam Questions With All Correct Answers circulating leukocytes - CORRECT ANSWER(innate) monocytes/macrophages (innate) neutrophils (adaptive) lymphocytes tissue resident sentinel cells - CORRECT ANSWERtissue resident macrophages dendritic cells mast cells e-selectin and e-selectin ligand - CORRECT ANSWERinnate inflammation adhesion molecule low affinity interaction between neutrophil and lumen of endothelial cells slows the neutrophil down...

IMM250 Final UPDATED ACTUAL Questions and CORRECT Answers How do barriers defend against infection? - CORRECT ANSWER- Physically and mechanically keep pathogens out. Example: stomach and skin. They do not need to go through a process to get activated; they are immediately active. Summarize innate immunity? - CORRECT ANSWER- It involves cells and molecules that get recruited to the site of infection. Innate cells recognize PAMPs using PRRs. PAMPs are common to a certain group of patho...

IMM250 EXAM WITH COMPLETE SOLUTIONS (ALREADY GRADED A+) What happens when pathogen breaches barrier - 5 - Answer- 1 - Release of pamps 2 - Detected by PRR 3 - Activates signal transduction 4 - Activates NFkB 5 - Controls production of soluble mediators Acute inflammatory response - 4 - Answer- 1 - Rest 2 - Bacteria comes in -> cytokines 3 - Vasodilation to increase vascular permeability 4 - Infected tissue becomes inflamed - redness, heat, swelling, pain Pro-inflammatory cytok...

Immunology- Block 1 Exam Questions With Answers Pattern Associated Molecular Patterns (PAMPs) molecules shared by groups of related microbes that are essential for the survival of those organisms Ligand any molecule or atom which binds reversibly to a protein Epitope smallest molecular structure recognized by a specific receptor Dendritic Cells, Macrophages, B Cells What are the professional APCs? Peripheral Tolerance of T Cells Auto reactive lymphocytes are kept anergi...

Immunology Test Bank Exam Questions & Answers, Rated 100%-The germinal centers found in the cortical region of lymph nodes and the peripheral region of splenic periarteriolar lymphatic tissue: - contains large populations of B lymphocytes and plasma cells Balance between TH1 and TH2 cell activation determines outcome of intracellular infections. Thus, in case of Mycobacterium leprae infection: - tuberculoid leprosy will occur in patients with a prominent TH1 response The initiation of T ce...

MICR 3230 Midterm Exam | Questions and Answers (Complete Solutions) What is immunity? The state of protection against foreign pathogens or substances (antigens) How do you generate immunity without disease? Immunization What does immunization do? Prepares the immune system for eradication of the antigen What is herd immunity? Vaccination/protection of a critical mass of people What is humoral immunity? Combats pathogens via antibodies What are antibodies produced by? B cells 2 types of humoral...

MICR 270 FINAL EXAM QUESTIONS WITH REVISED ANSWERS – UPDATED!! autocrine signaling - Answer-the target cell is also the secreting cell paracrine signalling - Answer-Target cells near secreting cells (regulate neighbors) endocrine signalling - Answer-A mode of transmission for signalling molecules that act on cells that are far from the cell that secretes them. Pro-inflammatory cytokines - Answer-induce inflammatory response in the body (ex: TNF alpha) Anti-inflammatory cytokines -...

BIO 669 Exam 1 Questions And Answers Cytokines - ANS signaling molecules that regulate innate or adaptive immunity that are responsible for activating other cells and regulating the inflammatory response; they help stimulate the response to infection and tissue damage by guiding lymphocytes and leukocytes toward the area of damage, stimulating healing, and increasing or decreasing inflammation; there are multiple types of these cells, each with their own different roles in the inflammatory r...

MICR 460 Microbiology Final Exam Questions and Answers Latest (Graded) Antigen is typically found extracellularly and intracellularly within the cytosol and endosomes A 2. CD8 T cells obtain ITAM phosphorylation before CD4 T cells do during an immune response B 3. Epithelial cells first develop in bone marrow but finish their development in the thymus B 4. ELISAs measure soluble protein antigen A 5. FACS analysis can distinguish different Lin+ cell types but not Lin- cells types because Lin...

HMX Immunology Final Exam Study Guide With Questions And Answers Graded A+ Tissue resident sentinel cells include (3 types) Dendritic cells, macrophages, and mast cells Circulating leukocytes involved in innate response (2 types) Monocytes and neutrophils Phagocytic immune cells (2 types) Macrophages and neutrophils Difference between macrophages and neutrophils? Neutrophils are short lived and will undergo apoptosis after eating a microbe; macrophages are longer-lived and wi...