Immunology: Aging and the Immune System
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Questions and Answers

What is the primary function of antibody-secreting plasma cells in naturally acquired active immunity?

  • To produce memory cells and cytotoxic T cells
  • To stimulate cell-mediated immune responses
  • To recognize antigens and activate B cells
  • To secrete antibodies to combat pathogens (correct)

What is the main difference between naturally acquired active immunity and artificially acquired active immunity?

  • The type of antigens involved
  • The duration of immunity
  • The route of antigen introduction (correct)
  • The type of immune response triggered

What is the primary function of B memory cells in adaptive immunity?

  • To produce antibodies to combat pathogens
  • To recognize antigens and activate T cells
  • To stimulate cell-mediated immune responses
  • To provide long-term immunity to specific pathogens (correct)

What is the primary function of cytotoxic T cells in adaptive immunity?

<p>To directly kill infected host cells (A)</p> Signup and view all the answers

What is the primary difference between antibody-mediated immunity and cell-mediated immunity?

<p>The type of immune response triggered (C)</p> Signup and view all the answers

What is the primary function of the immune system in aging?

<p>To maintain immune homeostasis and prevent disease (A)</p> Signup and view all the answers

What is the primary mechanism of artificially acquired passive immunity?

<p>Transfer of immunoglobulins from one individual to another (D)</p> Signup and view all the answers

What is the primary function of T memory cells in adaptive immunity?

<p>To provide long-term immunity to specific pathogens (C)</p> Signup and view all the answers

What is the primary difference between IgG and IgA antibodies in naturally acquired passive immunity?

<p>The site of antibody transfer (A)</p> Signup and view all the answers

What is the primary consequence of immune system aging?

<p>Increased susceptibility to infections (C)</p> Signup and view all the answers

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