Immunology and Serology Quiz

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Questions and Answers

Which of the following is the correct definition of immunity?

  • The process of synthesizing antibodies
  • The process of activating complement
  • The process of defending the body against foreign organisms or molecules (correct)
  • The process of phagocytosis

Which of the following is NOT included in immunity?

  • Phagocytosis
  • Complement activation
  • Antibody synthesis (correct)
  • Inflammation

What is the major histocompatibility complex (MHC) responsible for?

  • Autoimmune diseases
  • The adaptive immune response (correct)
  • Hypersensitivity
  • The nonspecific immune response

Which of the following is NOT an antigen-antibody reaction?

<p>Labeled reactions (B)</p> Signup and view all the answers

What is hypergammaglobulinemia?

<p>An immune deficiency (C)</p> Signup and view all the answers

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Study Notes

Immunity Definition

  • Immunity is the body's defense against infectious agents, including bacteria, viruses, fungi, and other foreign substances.

Exclusion from Immunity

  • Emotional states, such as fear or anxiety, are not considered part of the body's immune response.

Major Histocompatibility Complex (MHC)

  • MHC is responsible for presenting antigens to T-cells, triggering an immune response.

Antigen-Antibody Reactions

  • The binding of an antibody to a non-specific molecule is not an antigen-antibody reaction.

Hypergammaglobulinemia

  • Hypergammaglobulinemia is a condition characterized by an excessive level of antibodies (gammaglobulins) in the blood, which can be a sign of immune system disorders.

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