Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 42, Problem 10RQ
What “self” pattern is identified by NK cells?
- altered self
- missing self
- normal self
- non-self
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Chapter 42 Solutions
Biology 2e
Ch. 42 - Figure 42.11 Which of the following statements...Ch. 42 - Figure 42.14 Based on what you know about MHC...Ch. 42 - Figure 42.16 The Rh antigen is found on Rh...Ch. 42 - Which of the following is a barrier against...Ch. 42 - Although interferons have several effects, they...Ch. 42 - Which organelle do phagocytes use to digest...Ch. 42 - Which innate immune system component uses MHC I...Ch. 42 - Which of the following is both a phagocyte and an...Ch. 42 - Which immune cells bind MHC molecules on APCs via...Ch. 42 - What “self” pattern is identified by NK cells?...
Ch. 42 - The acquired ability to prevent an unnecessary or...Ch. 42 - A memory B cell can differentiate upon reexposure...Ch. 42 - Foreign particles circulating in the blood are...Ch. 42 - The structure of an antibody is similar to the...Ch. 42 - The first antibody class to appear in the serum in...Ch. 42 - What is the most abundant antibody class detected...Ch. 42 - Breastfed infants typically are resistant to...Ch. 42 - Allergy to pollen is classified as: an autoimmune...Ch. 42 - A potential cause of acquired autoimmunity is...Ch. 42 - Autoantibodies are probably involved in: reactions...Ch. 42 - Which of the following diseases is not due to...Ch. 42 - Different MHC I molecules between donor and...Ch. 42 - If a series of genetic mutations prevented some,...Ch. 42 - Explain the difference between an epitope and an...Ch. 42 - What is a naïve B or T cell?Ch. 42 - How does the Th1 response differ from the Th2...Ch. 42 - In mammalian adaptive immune systems, T cell...Ch. 42 - How do B and T cells differ with respect to...Ch. 42 - Why is the immune response after reinfection much...Ch. 42 - What are the benefits and costs of antibody cross...
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- Interferon-gamma (IFN-gamma)-producing natural killer (NK) cells are part of: O IL2 cells O ILC3 ells O ILC1 cellsarrow_forwardWhich type of phagocyte is the first to be recruited to a site of inflammation?arrow_forwardWhich of the following is a mechanism by which antibodies help rid the body of invading microbes? Agglutination whereby the bacteria are clumped together. Identifying viruses for elimination by NK cells Non-antibody dependent activation of complement Autoimmune diseasearrow_forward
- What is the target of NK cells? What is the target of phagocytes? What is the target of Cytotoxic T cells?arrow_forwardIdentify the cell types, transcription factors, and cytokines associated with Type 1, 2, and 3 immune responses. Type 1 Type 2 Answer Bank NK cells ILC3 cells IL-17 GATA3 TH1 cells RORYt ILC2 cells Type 3 IL-4, IL-5, IL-9, and IL-13 ILC1 cells TH17 cells T-Bet TH2 cells TNF-α IFN-Y amphiregulinarrow_forwardWhich is not a second-line body defense? fever inflammation acid mantle of skin natural killer cell activitarrow_forward
- The incorrect statement about B cells in the following is: They can present both protein and non-protein antigens They can present both exogenous and endogenous antigens They can present only antigens for which they have surface immunoglobulins They can present only protein and antigenarrow_forwardThe response to intracellular pathogens, by the innate immune system is the same as the response to extracellular pathogens, including phagocytosis, inflammation, and/or extracellular killing. This shows the hallmark of the innate immune response as it is not specific and has no memory to treat pathogens differently. True Falsearrow_forwardWhich of the following is expressed on B cells and increases their ability to respond to antigen? Defensins CD11b:CD18 CD35 CD21arrow_forward
- NK Activity (% lysis) 100 80 40 20 O ooo O O BOQ 10 00 20 Depression O 30 p=0.0001 R=0.604 40 FIGURE 4 | Correlation between natural killer (NK) cell activity and depression. There is a significant correlation between NK activity and depression (p = 0.001; R = -0.604).arrow_forwardWhich of the following is true about the innate immune system? Check all that apply Phagocytosis is an adaptive immunity component required for elimination of microbes Innate immune cells are macrophages and dendritic cells that engulf pathogens but also present antigen to T lymphocytes Innate immunity improves with repeated infections Neutrophils are the abundant innate immune cells circulating in blood Innate immune system provides protection immediately after infection in a non-specific mannerarrow_forwardMatch the immune cell with its main function. ___dendritic cell a. professional phagocyte ___B cell b. antigen-presenter ___helper T cell c. activates other lymphocytes ___NK cell d. makes antibodies ___macrophage e. kills ailing body cells that lack MHC markersarrow_forward
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