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 9RQ
Which immune cells bind MHC molecules on APCs via CD8 coreceptors on their cell surfaces?
- Th cells
- CTLs
- mast cells
- basophils
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Which of the following statements are NOT TRUE about Antigen Presenting Cells (APCs)? (Select all that apply)
An APC can become activated from antigen binding as well as MHC binding
APCs can carry mutliple MHCs
Antigen presenting is due to APC activation
Adaptive, innate, and non-immune cells can be APCs
APCs travel to the sites of resident macrophages to recruit effector immune cells
An APC that binds via their expressed MHC II will be killed
N
Which of the following statements is correct? B cells only recognize antigen presented on MHC class II Dendritic cells are the only cells that can present antigen via both MHC class I and MHC class II CD8 + T cells recognize antigen presented on MHC class I B cells can present antigen via MHC class II for T cells The B cell receptor is a membrane-bound antibody Isotype switch leads to the B cell's antibodies being able to recognize a new antigen The T cell receptor recognizes peptides bound to MHC Main function of CD8 + T cells
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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- Which innate immune system component uses MHC class I molecules directly in its defense Strategy? a. macrophages b. neutrophils c. NK cells d. interferonarrow_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_forwardWhy would a virus that can interfere with a host cell’s production of MHC class I molecules be at an advantage?arrow_forward
- Which cells have granules of histamine and heparin? basophils mast cells both mast cells and basophilsarrow_forwardWhich of the following steps are part of the processing of antigen by immune cells? Select all that apply. The vesicle containing the antigen fuses with a lysosome. Enzymes in the lysosome digest the antigen into components that bind to MHC markers. The antigen is initially released from the phagocytic cell via exocytosis. The antigen-MHC complex becomes displayed on the cell's interior.arrow_forwardWhich of the following steps are part of the processing of antigen by immune cells? Select all that apply.arrow_forward
- Which cells of the body produces antibodies that would attack SLE antigens?arrow_forwardInterferon-gamma (IFN-gamma)-producing natural killer (NK) cells are part of: O IL2 cells O ILC3 ells O ILC1 cellsarrow_forwardWhat occurs in a cell-mediated immune response? Select all that apply. Naive B cells bind to antigen on the surface of a bacterium and become activated. A dendritic cell incorporates digested viral antigen-MHC complexes. Naive cytotoxic T cells bind to antigen on antigen-presenting dendritic cells and become activated. Effector cytotoxic T cells circulate through the body and kill any body cells that display the viral antigen-MHC complexes.arrow_forward
- Which of the following statements is NOT correct? Group of answer choices -Natural killer cells are cytolytic lymphocytes that mediate ADCC -Neutrophils carry out phagocytosis of C3b-tagged particles -Macrophages carry out phagocytosis of C3b-tagged particles -Mast cells produce granules containing the cytotoxin perforin -B lymphocytes express a receptor for complement proteinsarrow_forwardMajor histocompatibility proteins (MHC) presented with an antigen: are recognized by T lymphocytes both may be expressed by any nucleated cell and are recognized by T lymphocytes both may be expressed by any nucleated cell and are recognized by B lymphocytes may be expressed by any nucleated cell are recognized by B lymphocytesarrow_forwardCancer cells often underexpress MHC class 1 molecules. Due to these characteristics, they may be the target of: B cells Eosinophils Neutrophils NK cells OMacrophagesarrow_forward
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