Chat with us, powered by LiveChat Fever is initiated when a substance in circulation, called a ____, acts on the h | WriteMoh

Fever is initiated when a substance in circulation, called a ____, acts on the h

Fever is initiated when a substance in circulation, called a ____, acts on the hypothalamus causing itto reset body temperature to a higher setting.bacteriocinplasmidpyrogentransferrinInnate, physical barriers of host defenses:include the skin.include the mucous membranes.all contain keratin which makes the barriers highly impervious.are part of the second line of host defenses.are all covered with mucus that adds another layer of protection.Choose the statement that best describes the characteristics of lymph.One of its main functions is oxygenation of the tissues.It moves due to stimulation of the lymph vessels by nerve impulses.It is formed by fluid that leaves circulation into the surrounding extracellular spaces.It contains red and white blood cells.____ cells, like macrophages, are products of the monocytic cell line that reside throughout the tissues and present antigen to lymphocytes.NeutrophilDendriticTPlateletSelect all of the characteristics of T lymphocytes, which are involved in specific immunity.Mature in the bone marrowMature in the thymusMove freely among lymphoid tissues and connective tissueResponsible for cell-mediated immunityForm specialized plasma cells that produce antibodiesMatch the statements to the terms they describe to test your understanding of the possible end results of antibody binding antigen.1. neutralization2. opsonization3. antitoxin4. agglutinationoNO ANSWERo1o2o3o4Coating of microbe with antibody to enhance phagocytosisoNO ANSWERo1o2o3o4Antibodies fill the surface receptors on microbes to prevent its attachment to the hostoNO ANSWERo1o2o3o4Antibody that neutralizes bacterial exotoxinsoNO ANSWERo1o2o3o4Crosslinkage of cells or particles into large clumpsSelect the statement that applies to activation of the classical complement pathway.It is activated by antibody binding to microorganismsIt is activated by phagocyte recognition of PAMPsIt is activated by a mannose binding host serum proteinIt is activated by complement components binding to cell wall components of microbesImmediate vasoconstriction and release of chemical mediatorsVasodilation with increased blood flow, vascular permeability, and fluid leakageInfiltration of site by neutrophils, resulting in pus formationRepair of the tissuesSelect the statements that accurately describe antigens:They are perceived as foreign.Only whole microbes can serve an antigens.Proteins are immunogenic antigens.Antigens provoke an immune response.Choose the statement that describes MHC class I molecules.Are proteins involved in the complement systemExpressed on all human nucleated cellsFound on only some types of white blood cellsAre secreted from all human nucleated cellsSelect the statements that accurately reflect the classes of MHC molecules:Five classes of MHC genes have been identified.Class I genes are found on all nucleated cells.Class II genes are important to the presentation of antigen to B cells.Class III genes produces markers that are important in the complement system.The MHC is also known as the MLA (monoclonal leukocyte antigen) systemFever is initiated when a substance in circulation, called a ____, acts on the hypothalamus causing itto reset body temperature to a higher setting.bacteriocinplasmidpyrogentransferrinInnate, physical barriers of host defenses:include the skin.include the mucous membranes.all contain keratin which makes the barriers highly impervious.are part of the second line of host defenses.are all covered with mucus that adds another layer of protection.Choose the statement that best describes the characteristics of lymph.One of its main functions is oxygenation of the tissues.It moves due to stimulation of the lymph vessels by nerve impulses.It is formed by fluid that leaves circulation into the surrounding extracellular spaces.It contains red and white blood cells.____ cells, like macrophages, are products of the monocytic cell line that reside throughout the tissues and present antigen to lymphocytes.NeutrophilDendriticTPlateletSelect all of the characteristics of T lymphocytes, which are involved in specific immunity.Mature in the bone marrowMature in the thymusMove freely among lymphoid tissues and connective tissueResponsible for cell-mediated immunityForm specialized plasma cells that produce antibodiesMatch the statements to the terms they describe to test your understanding of the possible end results of antibody binding antigen.1. neutralization2. opsonization3. antitoxin4. agglutinationoNO ANSWERo1o2o3o4Coating of microbe with antibody to enhance phagocytosisoNO ANSWERo1o2o3o4Antibodies fill the surface receptors on microbes to prevent its attachment to the hostoNO ANSWERo1o2o3o4Antibody that neutralizes bacterial exotoxinsoNO ANSWERo1o2o3o4Crosslinkage of cells or particles into large clumpsSelect the statement that applies to activation of the classical complement pathway.It is activated by antibody binding to microorganismsIt is activated by phagocyte recognition of PAMPsIt is activated by a mannose binding host serum proteinIt is activated by complement components binding to cell wall components of microbesImmediate vasoconstriction and release of chemical mediatorsVasodilation with increased blood flow, vascular permeability, and fluid leakageInfiltration of site by neutrophils, resulting in pus formationRepair of the tissuesSelect the statements that accurately describe antigens:They are perceived as foreign.Only whole microbes can serve an antigens.Proteins are immunogenic antigens.Antigens provoke an immune response.Choose the statement that describes MHC class I molecules.Are proteins involved in the complement systemExpressed on all human nucleated cellsFound on only some types of white blood cellsAre secreted from all human nucleated cellsSelect the statements that accurately reflect the classes of MHC molecules:Five classes of MHC genes have been identified.Class I genes are found on all nucleated cells.Class II genes are important to the presentation of antigen to B cells.Class III genes produces markers that are important in the complement system.The MHC is also known as the MLA (monoclonal leukocyte antigen) system

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