Home › Quizzes › Cell-Mediated Immunity and T Cells

Cell-Mediated Immunity and T Cells

This quiz assesses your understanding of cell-mediated immunity and the role of T cells in the immune response.

15 Questions Published
Play Quiz Practise this topic out loud

Questions

Question 1 Multiple Choice (Single Answer)

Which type of immune response is primarily responsible for combating intracellular pathogens and cancer cells?

  1. Humoral immunity
  2. Cell-mediated immunity
  3. Innate immunity
  4. Passive immunity
Question 2 Multiple Choice (Single Answer)

What are the two main types of T cells involved in cell-mediated immunity?

  1. Helper T cells and cytotoxic T cells
  2. Regulatory T cells and memory T cells
  3. Natural killer T cells and gamma delta T cells
  4. Th1 cells and Th2 cells
Question 3 Multiple Choice (Single Answer)

What is the function of helper T cells in cell-mediated immunity?

  1. They directly kill infected or cancerous cells.
  2. They activate cytotoxic T cells and B cells.
  3. They produce antibodies to neutralize pathogens.
  4. They suppress the immune response to prevent excessive inflammation.
Question 4 Multiple Choice (Single Answer)

What is the function of cytotoxic T cells in cell-mediated immunity?

  1. They activate helper T cells and B cells.
  2. They directly kill infected or cancerous cells.
  3. They produce antibodies to neutralize pathogens.
  4. They suppress the immune response to prevent excessive inflammation.
Question 5 Multiple Choice (Single Answer)

Which molecule is recognized by T cells to initiate an immune response?

  1. Antibodies
  2. Antigens
  3. Cytokines
  4. Complement proteins
Question 6 Multiple Choice (Single Answer)

What is the role of MHC molecules in cell-mediated immunity?

  1. They present antigens to T cells.
  2. They activate cytotoxic T cells.
  3. They produce antibodies to neutralize pathogens.
  4. They suppress the immune response to prevent excessive inflammation.
Question 7 Multiple Choice (Single Answer)

Which type of MHC molecule is responsible for presenting antigens to CD8+ cytotoxic T cells?

  1. MHC class I
  2. MHC class II
  3. MHC class III
  4. MHC class IV
Question 8 Multiple Choice (Single Answer)

Which type of MHC molecule is responsible for presenting antigens to CD4+ helper T cells?

  1. MHC class I
  2. MHC class II
  3. MHC class III
  4. MHC class IV
Question 9 Multiple Choice (Single Answer)

What is the role of memory T cells in cell-mediated immunity?

  1. They directly kill infected or cancerous cells.
  2. They activate cytotoxic T cells and B cells.
  3. They provide long-term immunity by responding quickly to reinfection.
  4. They suppress the immune response to prevent excessive inflammation.
Question 10 Multiple Choice (Single Answer)

What is the difference between cell-mediated immunity and humoral immunity?

  1. Cell-mediated immunity involves T cells, while humoral immunity involves B cells.
  2. Cell-mediated immunity targets intracellular pathogens, while humoral immunity targets extracellular pathogens.
  3. Cell-mediated immunity provides long-term immunity, while humoral immunity provides short-term immunity.
  4. All of the above.
Question 11 Multiple Choice (Single Answer)

Which cytokine is produced by helper T cells to activate cytotoxic T cells?

  1. Interleukin-2 (IL-2)
  2. Interleukin-4 (IL-4)
  3. Interleukin-10 (IL-10)
  4. Interferon-gamma (IFN-γ)
Question 12 Multiple Choice (Single Answer)

What is the role of natural killer (NK) cells in cell-mediated immunity?

  1. They directly kill infected or cancerous cells.
  2. They activate cytotoxic T cells and B cells.
  3. They produce antibodies to neutralize pathogens.
  4. They suppress the immune response to prevent excessive inflammation.
Question 13 Multiple Choice (Single Answer)

Which molecule is expressed on the surface of cytotoxic T cells and is responsible for killing target cells?

  1. CD4
  2. CD8
  3. TCR
  4. MHC
Question 14 Multiple Choice (Single Answer)

What is the role of regulatory T cells (Tregs) in cell-mediated immunity?

  1. They directly kill infected or cancerous cells.
  2. They activate cytotoxic T cells and B cells.
  3. They suppress the immune response to prevent excessive inflammation.
  4. They produce antibodies to neutralize pathogens.
Question 15 Multiple Choice (Single Answer)

Which cytokine is produced by helper T cells to activate macrophages and promote phagocytosis?

  1. Interleukin-2 (IL-2)
  2. Interleukin-4 (IL-4)
  3. Interleukin-10 (IL-10)
  4. Interferon-gamma (IFN-γ)
← Back to Quizzes