Immune System Surveillance Quiz

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Questions and Answers

Which cells check individual cell membranes to detect specific classes of cell surface proteins?

  • Macrophages and other phagocytic cells (correct)
  • Red blood cells
  • T cells and B cells
  • Natural killer cells

What identifies cells as belonging to self, including MHC's?

  • White blood cells
  • Antibodies
  • Unique proteins (correct)
  • Red blood cells

In a primary immune response, what happens if a cell does not possess the right MHC?

  • It will undergo apoptosis
  • It will be ignored by the immune system
  • It will be targeted by antibodies
  • It will be destroyed by white blood cells (correct)

What is the other term for Major Histocompatibility Complexes (MHC's)?

<p>Human Leukocyte Antigens (HLA's) (D)</p> Signup and view all the answers

Why do transplant recipients need to take antirejection drugs?

<p>To reduce the level of rejection due to mismatched MHC's (D)</p> Signup and view all the answers

What is the role of macrophages and other phagocytic cells in the immune system?

<p>They check individual cell membranes to detect specific classes of cell surface proteins.</p> Signup and view all the answers

Why is it necessary to match the donor and recipient as closely as possible when transplanting an organ or tissue?

<p>To reduce the level of rejection.</p> Signup and view all the answers

What is the significance of MHC's (Major Histocompatibility Complexes) in organ or tissue transplantation?

<p>They determine the compatibility between the donor and recipient, and their mismatch can lead to rejection.</p> Signup and view all the answers

What is the alternative term for MHC's (Major Histocompatibility Complexes)?

<p>HLA's (Human Leukocyte Antigens).</p> Signup and view all the answers

What is the long-term requirement for transplant recipients to manage rejection?

<p>They will have to take antirejection drugs for the rest of their lives.</p> Signup and view all the answers

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