Immune Response and Complement System
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of immune response involves the activation of B-cells?

  • Adaptive immunity
  • Innate immunity
  • Humoral immunity (correct)
  • Cell-mediated immunity

What is the function of Major Histocompatibility Complex (MHC) in antigen presentation?

  • To present antigens to lymphocytes (correct)
  • To recognize self-antigens
  • To produce antibodies
  • To activate B-cells

Which type of T-cell is responsible for directly killing infected cells?

  • Cytotoxic T-cells (correct)
  • Helper T-cells
  • Regulatory T-cells
  • NK cells

What is the primary function of antigen-presenting cells (APCs)?

<p>To present antigens to lymphocytes (A)</p> Signup and view all the answers

Which of the following is a characteristic of adaptive immunity?

<p>Antigen-specific (C)</p> Signup and view all the answers

What is the function of CD3 markers on T-lymphocytes?

<p>To determine the specific function of T-lymphocytes (C)</p> Signup and view all the answers

What is the primary location of T-lymphocytes in the lymphoid tissue?

<p>Diffuse lymphoid tissue (A)</p> Signup and view all the answers

What is the main difference between primary and secondary nodules in lymphoid tissue?

<p>Activity level of lymphocytes (A)</p> Signup and view all the answers

Which of the following is NOT a type of lymphoid organ?

<p>Liver (A)</p> Signup and view all the answers

What is the function of the stroma in lymphoid organs?

<p>To provide structural support (D)</p> Signup and view all the answers

What type of lymphoid tissue is primarily composed of B-lymphocytes?

<p>Nodular lymphoid tissue (B)</p> Signup and view all the answers

What is the main function of the spleen in the lymphoid system?

<p>To filter the blood (C)</p> Signup and view all the answers

What is the primary function of Helper T-cells (Th cells)?

<p>To produce cytokines that activate B-cell differentiation (B)</p> Signup and view all the answers

What is the role of Cytotoxic T-cells (Tc cells)?

<p>To induce apoptosis of target cells (B)</p> Signup and view all the answers

What is the primary function of Regulatory T-cells (Ts cells)?

<p>To suppress immune response when needed (B)</p> Signup and view all the answers

What is the outcome of B-cell activation?

<p>Differentiation to plasma cells and formation of memory B-cells (D)</p> Signup and view all the answers

What is the primary difference between primary and secondary immune responses?

<p>Primary response involves the activation of naive T-cells, while secondary response involves the activation of memory T-cells (C)</p> Signup and view all the answers

What is the function of B-cell receptors (BCR)?

<p>To recognize epitopes of antigens (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser