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>
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What is hypergammaglobulinemia?

<p>An immune deficiency (C)</p>
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Flashcards

Immunity

Defending the body against foreign organisms or molecules.

MHC Function

The major histocompatibility complex orchestrates the adaptive immune response.

Hypergammaglobulinemia

An immune deficiency where there is an abnormally high concentration of gamma globulins in the blood.

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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