BIO 202 IMMUNOLOGY + LYMPHATICS QUESTIONS AND ANSWERS TEST. 2024 ACTUAL UPDATE

BIO 202 IMMUNOLOGY + LYMPHATICS QUESTIONS AND ANSWERS TEST. 2024 ACTUAL UPDATE. • Question 1 The level of thymic hormones 1 out of 1 points Correct Answer: is highest in childhood Multiple choices: remains the same throughout an individual’s lifetime is highest just after puberty is highest at maturity is highest in old age is highest in childhood • Question 2 1 out of 1 points When B and T cells are fully developed and mature, they are described as being Correct Answer: Immunocompetent Multiple choices: Immunocompetent Pluripotent Endogenous Exogenous Immunogenic • Question 3 1 out of 1 points Which cell must be activated in order to achieve virtually all cell mediated immune responses? Correct Answer: Helper T cells Multiple choices: Cytotoxic T Cells B lymphocytes Helper T cells Eosinophils Mast cells • Question 4 An acute (Type I) allergic response can lead to: 0 out of 1 points Correct Answer: passive immunity Multiple choices: delayed hypersensitivity autoimmunity anaphylactic shock passive immunity immunodeficiency • Question 5 1 out of 1 points Which type of adaptive immunity will result from mother-to-baby IgA transfer via breast feeding? Correct Answer: Naturally acquired passive immunity Multiple choices: Naturally acquired active immunity Naturally acquired passive immunity Artificially acquired active immunity Artificially acquired passive immunity None of these choices • Question 6 1 out of 1 points Which type of adaptive immunity will result from intravenous injection of immunoglobulins? Correct Answer: Artificially acquired passive immunity Multiple choices: Naturally acquired active immunity Naturally acquired passive immunity Artificially acquired active immunity Artificially acquired passive immunity None of these choices • Question 7 1 out of 1 points Which class of antibodies in the blood and lymph indicates a recent invasion? Correct Answer: IgM Multiple choices: IgA IgE IgM IgD IgG • Question 8 0 out of 1 points Select all that apply. Correct Multiple choices: B cells plasma cells macrophages Multiple choices: B cells T cells plasma cells macrophages follicular dendritic cells • Question 9 1 out of 1 points Which cells of the immune system are the primary targets of the HIV virus? Correct Answer: helper T cells Multiple choices: B cells helper T cells cytotoxic T cells antigen-presenting cells all of these cells are affected by HIV • Question 10 1 out of 1 points The development of self-tolerance through B cell and T cell inactivation after antigen recognition without the second costimulation signal involves which process? Correct Answer: anergy Multiple choices: apoptosis anergy deletion reactivity selectivity • Question 11 1 out of 1 points Which of the following is a small hormone that can stimulate or inhibit many normal cell functions? Correct Answer: Cytokine Multiple choices: Immunoglobulin Kinin Cytokine MHC Hapten • Question 12 1 out of 1 points Which complement system action makes microbes more susceptible to phagocytosis? Correct Answer: Opsonization Multiple choices: Opsonization Cytolysis Inflammation Neutralization Cascade activation • Question 13 1 out of 1 points Which of these chemicals do NOT induce vasodilation, increased permeability, and increased fluid flow to an infection site? Correct Answer: Perforin Multiple choices: Histamines Kinins Perforin Leukotrienes Complement proteins • Question 14 1 out of 1 points Which anti-microbial substances promote cytolysis, phagocytosis and inflammation? Correct Answer: Complement proteins Multiple choices: Transferrins Perforins Complement proteins Defensins Interferons