Immunology MLT 181 Module 1-4 Exam Questions with complete solutions.

Immunology MLT 181 Module 1-4 Exam Questions with complete solutions. When an antibody-coated antigen is phagocytized, which component of the antibody molecule must fit into a receptor on the phagocytic cell? - correct answers.Fc region Eosinophils are increased in the circulating blood when a patient has ____________________________ infection. - correct types of parasitic Which immunoglobulin (Ig) class is the first to be manifested after antigen exposure? - correct answers.IgM Tears, saliva and other body secretions typically contain: - correct answers.IgA Functions of an activated T lymphocyte include: - correct answers.Proliferation, differentiation, production of cytokines, development of effector function The classic complement pathway is activated by: - correct e complex formation on the surface of a cell Which of the following proteins are considered acute phase reactants? - correct answers.All of these ? Enhancement of phagocytosis by the coating of foreign particles with serum proteins is called: - correct answers.Opsonization Monoclonal antibodies are: - correct answers.All of these A cell-mediated immunodeficiency is suggested if the child has: - correct answers.All of these The physiologic or cellular consequences of complement activation can include: - correct answers.All of these The first line of non-specific defense, intact skin, is cut with a piece of glass contaminated with Staphylococcus aureus, which cellular component of the immune system quickly responds? - correct answers.Neutrophils Then mature T lymphocytes leave the thymus, their T cell receptors are either CD4+ or ______ - correct answers.CD8+ Interferons - correct answers.Antiviral proteins secreted by T cells Which immunoglobulin (Ig) class is produced in the highest concentration (titer) in a secondary (anamnestic) response? - correct answers.IgG Which of the following characteristics is representative of C-reactive protein (CRP)? - correct answers.All of these An antigenic determinant (or epitope): - correct answers.All of these Mechanisms of innate immunity: - correct answers.All of these Functions of the complement system include: - correct answers.All of these The function of the Immune system is to: - correct answers.Both of these are correct Surface markers on lymphocytes can be used to: - correct answers.All of these Primary granules, or azurophilic granules, within a neutrophil contain: - correct answers.All of these If microorganisms penetrate the first line of defense, a second line of ____________________ and ______________________ components forms the defense mechanisms that become operational. - correct answers.Both of these are correct The primary function of an antibody in body defenses is to: - correct ne with antigens All of the following statements are true about IgM except that - correct is capable of crossing the placenta Which immunoglobulin (Ig) mediates some types of hypersensitivity (allergic) reactions? - correct answers.IgE The complement protein found in all the pathways is: - correct answers.C3 Preschool children who are vaccinated against specific microorganisms would be expected to develop _______________ immunity against those microorganisms. - correct icial active Cluster Designation (CD) antigens are involved in various lymphocyte functions, which can include: - correct answers.All of these Cell mediated immunity is moderated by: - correct answers.Both B and T lymphocytes Cytokines: - correct answers.All of these