ASCP MLS Domain 5: Immunology Welcome to your ASCP MLS Domain 5: Immunology 1. ASCP MLS: Immunology In the context of immunology, what is the primary function of dendritic cells in the adaptive immune response? A. Antibody production B. Phagocytosis of pathogens C. Presentation of antigen to T cells D. Neutralization of toxins None 2. ASCP MLS: Immunology Which of the following cytokines is primarily involved in the differentiation of Th2 cells? A. IL-12 B. IL-4 C. IFN-? D. TNF-? None 3. ASCP MLS: Immunology What is the primary role of the Fc region of an antibody? A. Binding to antigen B. Complement activation C. Mediating phagocytosis D. Facilitating cell lysis None 4. ASCP MLS: Immunology Which MHC class molecule presents antigen to CD8+ T cells? A. MHC class I B. MHC class II C. MHC class III D. None of the above None 5. ASCP MLS: Immunology In the context of hypersensitivity reactions, which type is associated with antibody-mediated cytotoxicity? A. Type I B. Type II C. Type III D. Type IV None 6. ASCP MLS: Immunology What is the role of the complement system in innate immunity? A. Recognition of pathogens B. Direct killing of pathogens C. Activation of B cells D. Differentiation of T cells None 7. ASCP MLS: Immunology Which of the following is a characteristic feature of natural killer (NK) cells? A. MHC restriction B. Antibody production C. Lack of antigen-specific receptors D. Presentation of antigen to T cells None 8. ASCP MLS: Immunology In autoimmune diseases, what mechanism is primarily responsible for the loss of self-tolerance? A. Enhanced phagocytic activity B. Failure of central tolerance C. Overproduction of regulatory T cells D. Decreased cytokine production None 9. ASCP MLS: Immunology What is the primary function of regulatory T cells in the immune system? A. Enhancing the immune response B. Suppressing immune response C. Antigen presentation D. Direct killing of pathogens None 10. ASCP MLS: Immunology Which class of immunoglobulins is most abundant in the mucosal areas of the body? A. IgG B. IgA C. IgM D. IgE None 1 out of 10 Time is Up! Time's up
