Human immunodeficiency virus (HIV) preferentially destroys CD4+ cells. Specifically, what effect does this have on antibody and cell-mediated immunity? Please simple and original response. Thank you (:
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Human immunodeficiency virus (HIV) preferentially destroys CD4+ cells. Specifically, what effect does this have on antibody and cell-mediated immunity?
Please simple and original response. Thank you (:
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- Explain the "antigen recognition by cells of adaptive immunity" in a simple way. Thank you, I will use this for infographics. NOTE: BULLET FORMIn your own personal understanding, why are complements important in cellular and humoral mediated immunity? please answer in a minimum of 5 sentences.Correctly order the steps in cellular Immunity. Below is a sequence of events. Place them in the order they should occur, number 1 being the first item. Select the step number from the drop down next to each item. Items to order: a) .Cytotoxic T cell (CTL) recognizes the infected host cell b) The CTL secretes perforin and granzyme, causing apoptosis c) The CTL interacts with epitope presented by MHC-I on the dendritic cell d) The helper T cell activates the CTL cell
- While the functions of the three types of interferons mentjoned in the text book are numerous, they all share an antiviral function. Part D- Functions and Characteristics of Cytokines Match the following functions and characteristics with the corresponding type of cytokine. Drag and drop the phrases into the bins they describe. > View Available Hint(s) Reset Help Promote secretion of adrenocorticotrophic hormone (ACTH) Stimulate blood cell production Used to treat Kaposi's sarcoma Impart viral resistance to cells that secrete this cytokine Attract free macrophages and microphages Promote activity of fibroblasts Slow growth of tumors and kills sensitive tumor cells Colony-stimulating factors Phagocyte-activating chemicals Interleukins Interferons Tumor necrosis factors Stimulate inflammatory process Stimulate the activity of NK cells Slow progress of inflammation Submit rovide FeedbackAnswer the following related to the graph attached below: a) Relate your immune system’s response to a foreign invader (including the rise and fall of antibody concentrations you graphed) to the symptoms you felt. b) Summarize the difference between humoral and cell-mediated immunity. If desired, use additional resources to help you make this comparison.Compare and contrast humoral and cell-mediated immunity. Write three differences and two similarities in terms of function, purpose, types of cells involved, or mechanism. You may write in paragraph form or use a chart/diagram (e'g' Venn diagram) .
- contrast the difference between the adaptive and innate immune system. What cells are involved, which one is most specific and which one is responsible for long lasting immunity. Try to include as much detail as possible when contrasting these two arms of the immune system. Requirements Your initial post must be at least 150 words.Which of the following statements is TRUE about NK cells? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b C d NK cells mediate the rejection of MHCa bone marrow transplants into MHCª x MHCb F1 mice NK cells mediate the rejection of MHCa x MHC F1 bone marrow transplants into MHCa mice Detection of type I IFN (IFNa or IFNB) by NK cells decreases their cytotoxic capacity Down-regulation of MHC I molecules on target cells decreases NK cytotoxicityTrue/False: Dendritic cells are tissue resident myeloid cells that are highly phagocytic, like macrophages. However, dendritic cells do not play a major role in large-scale pathogen destruction; instead, they are important in initiating adaptive immune responses of T cells.
- Name two cytokines that are thought to be involved in the inflammatory response to viruses (cite your source). Describe a component of the innate immune response to viral infection (name it and explain how it works. Be sure you are talking about something that protects you from viruses.)to contrast the difference between the adaptive and innate immune system. What cells are involved, which one is most specific and which one is responsible for long lasting immunity. Try to include as much detail as possible when contrasting these two arms of the immune system. Require 150 wordThat answer is incorrect. Type 1 immunity does not include parasites (those are type 2). T helper 2 cells (Th2) are also part of type 2 immunity as well as ICL2s, mast cells, eosinophils, basophils, IL-4, IL-5, IL-13, IgA, and IgE (IgG is found in both).