Match each immune response event and the corresponding evasion strategy to the appropriate pathogen. Herpes simplex virus (HSV) Human immunodeficiencyvirus (HIV)Hepatitis CN. gonorrhoeaeAnswer Bankinfects lymphocytes and macrophages and then destroys the cells or alters their functionsecretes proteases, enhancing its attachment to epithelial surfacesavoids neutralization by IgAproduces a protein to inhibit the transporter for antigen processing (TAP), blocking delivery to MHC class Iblocks/inhibits dsRNA-dependent protein kinase (PKR) which is essential for signal transductioninduces immunosuppressionevades the antiviral effects of interferonsinhibits presentation of antigens from infected cells to cytotoxic T lymphocytes

Particularly cytotoxic T lymphocytes, which are absolutely vital for spotting and eliminating…

Answered: Herpes simplex virus (HSV) Human…

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter12: Body Defenses

Section: Chapter Questions

Problem 14RE

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Activated complement proteins__________. a. form attack complexes b. promote inflammation c. attract phagocytic cells d. all of the above
To block viral reproduction in other cells, the virus-infected cell must secrete to stimulate production of antiviral proteins in other cells. O MHC class Il proteins O interferons О МСР-1 O IL-2
Examine Type IV hypersensitivities by completing each sentence. 54 Туре IV МНС I tuberculin Compared to Type III hypersensitivities, reactions primarily involve -cell activity. T allografts Type IV dysfunction is known as secondary antigen exposure. hypersensitivity for symptoms arise 1 to several days following contact dermatitis delayed One example, infectious allergy, occurs during the reaction in persons sensitized by tuberculosis Lysosome infection. xenografts GVHD which occurs after exposure to antigens in The most common delayed allergic reaction, however, is plant resins, drugs, or personal articles, and involves the production of inflammatory cytokines that cause blistering. Autografts В -mediated reactions, while Finally, host rejection of grafted tissue can occur due to occurs when passenger cells in the grafted tissue attack host cells. MHC II Psoriasis
Table 2. Summary of Ebola Virus Weapons Ebola Virus Weapon Lipid envelope originating from the host cell that has GP attachment proteins. VP35 $GP Mechanism unknown "The Ebola Wars: Mission Immune Evasion Role in Evading the Immune Response Turns off existing interferon alarms by disrupting STATI signaling pathway. Counteracts tetherin to allow viruses to bud from the cell. Induces bystander apoptosis of immune cells (especially T lymphocytes and NK cells). Page 8
When describing cytokines which statement is false? Group of answer choices Cytokines can be used as therapeutics to treat viral infections Cytokines help stimulate and modulate the function of the immune system Affecting cytokine production with drugs never puts the patient at risk Cells can produce cytokines to autostimulate and/or attract immune cells Drugs can prevent cytokine production
cells of the immune system attack "alien" eukaryotic cells. O Antigen Antibody O T lymphocyte O B lymphocyte
A patient develops a blood infection with a capsule-producing strain of E. coli. Phagocytosis by macrophage will be essential to destroy the bacteria and resolve the infection. Which of the following will be dirertly required to allow ADCC-opsonization of the encapsulated E. coli: O Toll-like receptor (TLR)-induced secretion of tumor necrosis factor alpha O Release of C3a to the extracellular fluids O Presence of MHC II on the surface of the macrophage O Presence of IgG receptors (Fc-gamma-R) on the macrophage All of the answers apply
The receptors (TLRS and NLRS) phagocytes use to bind to foreign antigens are collectively called Pattern Recognition Receptors O Pathogen Associated Molecular Patterns O Molecular Associated Pathogen Patterns O Antigen Binding Ligands
Intracellular "wood chippers" known as break down proteins into component parts (peptides) so that they can be recycled, reused, or transported by TAP proteins to be presented at molecules. the cell surface by O proteasomes, MHC II O lysosomes, MHC II Oproteasomes, MHC I Olysosomes. MHC I
5
%VY lI, نقطة واحدة Q/ finger-like projections that arise from the epithelial layer in some organs are called Cilia Villi Microvilli Non of the above ösly äbäi Q/ The cell of connective tissue that contain serotonin to immediate * hypersensitivity is Histiocyte cell Mast cell Adipose cell Fibroblast cell هذا السؤال مطلوب صفحة 2 من 3 التالي II >
T

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