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- 1. When encountering antigen, describe the mechanism of antigen presentation by B cells. 2. Compare / contrast the advantages and disadvantages of active immunity with passive immunity. 3. Does antibody directly destroy a microbe? EXPLAIN. 4. Use the following terms to construct a coherent mechanism for cell mediated immunity: Interleukin, perforin, CD4 cells, CD8 cells, dendritic cells, MHC class I and class II 5. Upon invasion by a microbial antigen with multiple epitopes (antigenic determinants), What makes clonal selection for T cells and B cells relevant? 6. Why have different classes of antibodies (i.e. IgD, IgE)? 7. Why is the primary and secondary responses to antigen important for the host and for clinical diagnosis? 8. Are all adaptive immune responses the same? EXPLAIN.1. What cells in the innate immunity are responsible for causing phagocytosis? Explain briefly and elaborate the cell involved. 2. What are the major cells involved in eliciting the actions of adaptive immunity? Explain briefly and elaborate the cells involved.1. What physical barrier and non-specific defenses help to prevent infection? How is a "non- specific" defense different from a "specific" defense? 2. Non-specific immunity is also called_immunity while specific immunity is called 3. Describe the roles of complement proteins, cilia (in lungs), natural killer cells and phagocytes. How are these non-specific defenses? 4. Describe the inflammatory response. Describe how this happens. 5. How is the immune system (and inflammation) related to allergies? 6. What is an antigen? How does your immune system recognize it? 7. What is an antibody? 8. Know the difference between B cells, killer T cells, and helper T cells. What do they do? Where are they produced, what type of immunity they provide, how do they kill foreign organisms. 9. Describe how the immune system responds to an infection..basically know how a B cell is activated and how it makes antibodies. 10. What is the difference between a primary and a secondary immune response? 11. What…
- Match each type of immunity in the left column with its associated example from theright column. 1.Artificially acquired passive immunotherapy A. Production of IgE in response to pollen 2. Naturally acquired active immunity B. Acquisition of maternal antibodies in breast milk 3. Naturally acquired passive immunity C. Administration of tetanus toxoid 4. Artificially acquired active immunity D. Administration of antitoxinPlease answer all the questions correctly and in details. 1. OUTLINE and EXPLAIN the sequence of events and interaction between pathogen and immune system of the body after the pathogen enters the body. PLEASE USE DIAGRAM to enhance the answer.1. These cells can release factors that can induce programmed death of a target cell, release cytokines to stimulate other immune system components, and establish immunological memory Group of answer choices B-cells T-cells Antigen presenting cells Neutrophils Antibodies 2. These cells produce antibodies specific to the antigen and establish immunological memory to rapidly neutralize future infections by the same antigen. Group of answer choices B-cells T-cells Antigen presenting cells Cytokines Antibodies
- 3) Describe how neoplastic cells challenge the tissue around them. 4) Identify how neoplastic cells might come to the attention of the immune system.13.Which is NOT an example of innate defense? 13.Which is NOT an example of innate defense? Note: This is a multiple question, choose the correct answer below: secretion of interferons The arrival of neutrophils in an area of injury a macrophage phagocytizing a bacterium an antibody that neutralizes an antigen secretion of interferons The arrival of neutrophils in an area of injury a macrophage phagocytizing a bacterium an antibody that neutralizes an antigen5. Understand the different types of poliovirus vaccines that are used in the USA versus other parts of the word A. What is the definition of "immunosenescence"? 1. B. What is the definition of "senescence-associated secretory phenotype (SASP)" and "inflammaging" and how do they relate to immunosenescence? C. What are the general changes in immune organs, and adaptive/innate immune function during immunosenescence?
- 1. Describe the flow of lymph from its origins in interstitial fluid to its emptying into the venous bloodstream. 2. Describe the process of inflammation in an area that has been traumatized. 3. Describe how secondary B cell responses are developed. 4. Describe the role of IgM in immunity. 5. Describe anaphylactic shock in someone sensitive to peanuts? 6. Describe how stress affects immune responses.III blood piasma and the chiếf antibody release during secondary responses 7. binds to the surface of mass cells and mediates an allergic response 8. predominant antibody found in mucus saliva and tears IgE IgA Match the following diseases and disorders to the correct definition. A. Allergy/Hypersensitivity B. Autoimmune Disease C. Immunodeficiency 1. AIDS & SCID 2. the immune system mounts an extraordinarily vigorous response to an otherwise harmless antigen 3. a hypersensitivity reaction 4. occurs when the production or activity of immune cells or complement is B abnormal 5. the body's own immune system produces the disorder; a breakdown of self tolerance 6. affected individuals unable to combat infections that would present no problems for normally healthy people 7. multiple sclerosis and rheumatic fever 8. a fever and contact dermatitis 9. Typical Symptoms of the acute response: tearing, runny nose, and itching skinVI. Match each of the following lymphoid organs with its correct description. a. lymphatic vessels b. tonsils c. lymph nodes d. spleen e. thymus 1. largest lymphatic organ 2. transport lymph 3. filter lymph 4. atrophies with age 5. located in the pharynx Examining the Histology of a Lymph Node, a Tonsil, and the Spleen Which lymphoid organ: a. contains red pulp and white pulp? b. contains more afferent vessels than efferent vessels? c. lacks a capsule? d. contains crypts? e. contains an outer cortex and an inner medulla?