Antibodies

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Questions and Answers

Which type of immune antibodies mainly exhibit agglutination in albumin medium?

  • IgM type
  • IgG type (correct)
  • IgA type
  • IgE type

What is the optimal temperature for the reaction of warm agglutinins?

  • 45°C
  • 37°C (correct)
  • 25°C
  • 10°C

Which type of antibodies is more likely to cause serious transfusion reactions?

  • Immune antibodies (correct)
  • Incomplete antibodies
  • Antigenic antibodies
  • Naturally occurring antibodies

What influences the binding of antigen and antibody?

<p>Goodness of fit, complementary nature, size, shape, and charge (B)</p> Signup and view all the answers

What is the substance used to determine a person's blood type?

<p>Anti-serum (A)</p> Signup and view all the answers

Which type of immune antibodies is mainly IgG?

<p>Immune antibodies (D)</p> Signup and view all the answers

What is the main characteristic of immune antibodies in terms of agglutination?

<p>They do not exhibit visible agglutination in saline, but in albumin medium (B)</p> Signup and view all the answers

What property influences the binding of antigen and antibody as a lock and key fit?

<p>Complementary nature of the antibody (A)</p> Signup and view all the answers

What is the substance used to determine a person's blood type?

<p>Anti-serum (B)</p> Signup and view all the answers

What is the main factor that influences the amount of Ag-Ab complex formation?

<p>Association constant of the reaction (C)</p> Signup and view all the answers

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