The process responsible for the production of antibodies against allergens to ‘arm’ a mast cell is known as what? Question 27 options: Antigen processing Inflammation Sensitization Hyperreactivity
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Question 27
The process responsible for the production of antibodies against allergens to ‘arm’ a mast cell is known as what?
Question 27 options:
Antigen processing
Inflammation
Sensitization
Hyperreactivity
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Solved in 2 steps
- QUESTION 4 A person with agammaglobulinemia: cannot produce antibodies cannot produce interferons does not have functional cell-mediated immunity makes too many antibodiesQuestion 38 The constant region of each heavy chain determines the class of the heavy chain. Question 38 options: True False Question 39 The extensive variety of MHC proteins is apparent at a population level. Question 39 options: True False Question 40 the immunoglobulin sequences involved in antigen binding is situated in: Question 40 options: The constant region of the antibody The hyper-variable region of the antibody C terminal of the antibody Area close to disulfide bridgesQuestion 9 of 14 Which of the following acts as a signal for the dendritic cell to begin cross-presentation? Presence of self-reactive CD4 T cells O Expression of endoplasmic reticulum (ER) chaperones calnexin and calreticulin O Phagocytosis and processing of extracellular antigens O Cytokine release following the activation of engaged CD4 T cells Question 10 of 14 Which of the following are true about MHC class I and MHC class II peptide loading? Select all that apply. MHC class I peptide loading occurs in four steps. Peptide loading of class I molecules generated from intracellular proteins occurs in the endoplasmic reticulum. MHC class Il molecules are loaded before they are part of a vesicle capable of fusing with a phagolysosome. Peptide loading of class Il molecules occurs later in the secretory pathway than that of MHC class I molecules.
- Question 39 Which antibody rises in this graph. PRIMARY IMMUNE RESPONSE Antibody concentration First antigen 1 exposure 4. Time (weeks) O IgE IgG O IgA IgD O IgM Antibody concentration In plasmaQUESTION 6 Monoclonal antibodies are specific for? O a. Single epitope O b. Pair of epitopes O c. Several epitopes O d. Host antibodiesQuestion 21 Fill in the blanks. Innate immunity and adaptive immunity has memory; is specific is nonspecific; has no memory is specific; has memory O is nonspecific; has memory
- All of the following represent characteristic(s) of the adaptive immune system EXCEPT: O Populations of specific lymphocytes O Recognition of specific antigens/epitopes OLag time that is associated with illness All of the answers apply, no exception O Binding of pathogen with toll like receptors (TLRS) O Primary and secondary responsesO phagocytic cells QUESTION 18 The immune system is capable of mounting specific responses to particular microorganisms because O lymphocytes are able to change their antigen specificity as required to fight infection the body is able to determine which type of B and T cells to make the body contains an enormous diversity of B and T cells, each with a specific kind of antigen receptor O the body is able to make different antigen receptors depending on the invading microorganism QUESTION 19 What chromosomes belong to a normal human male? 22 autosomes and two Y chromosomes 11autosomes and two Y chromosomesQuestion 21 Match these white blood cells to their functions Eosinophils V[Choose] Viral immunity Allergic reactions Tissue phagocytes Basophils Inflammation Bacterial infection
- In what way do B cells differ from other B cells? Question 12 options: some B cells differentiate into killer T cells, whereas other B cells do not different B cells possess different antigen receptor proteins different B cells mature in different organs some B cells act against intracellular pathogens, while others act against extracellular pathogens some B cells are only involved in antibody-mediated immune responses, while others are also involved in cell-mediated immune responses some B cells lack a plasma membraneQuestion 62 62. Host Defenses. Which cell makes antibodies? O cytotoxic T lymphocytes O helper T lymphocytes O B lymphocytes/plasma cells CD4+ T cellsQuestion 3 Which of the following statements about TI-1 antigens is FALSE? They require T cell help They do not result in memory cells They do not result in class switch or somatic hypermutation They contain a mitogen Question 4 What transcription factor is used to identify Treg celis? A) FoxP3 CTLA4 GATA3 D BCL6