Comparison of Immune Cell Production and Antibody Types
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Questions and Answers

During the establishment of immunity, which phase takes a longer time?

  • Lag phase (correct)
  • Plateau phase
  • Decline phase
  • Exponential phase

Which antibody is mainly produced during the primary immune response?

  • IgM (correct)
  • IgA
  • IgE
  • IgG

What happens to antibody levels after the primary immune response?

  • Antibody level declines rapidly (correct)
  • Antibody levels plateau
  • Antibody levels remain high for a longer period
  • Antibody levels fluctuate randomly

Which antibody has the greatest affinity for the antigen?

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

Where does the secondary immune response primarily appear?

<p>Bone marrow, spleen, and lymph nodes (A)</p> Signup and view all the answers

Which type of antigen triggers the secondary immune response?

<p>Only Thymus-dependent antigen (D)</p> Signup and view all the answers

What characterizes the lag phase of antibody production?

<p>Stabilization of antibody levels (C)</p> Signup and view all the answers

Which phase involves the largest number of plasma cells?

<p>Exponential Phase (B)</p> Signup and view all the answers

In which phase does antibody degradation exceed synthesis?

<p>Decline Phase (B)</p> Signup and view all the answers

What happens during the plateau phase of antibody production?

<p>Constant antibody levels due to equal synthesis and degradation rates (B)</p> Signup and view all the answers

Which immune response involves the activation of B-cells?

<p>Primary B-cell Response (D)</p> Signup and view all the answers

What causes the decrease in antibody levels during the decline phase?

<p>Exhaustion of antibody production by plasma cells (D)</p> Signup and view all the answers

What is the main reason for the shorter Lag phase in responding cells?

<p>Presence of memory cells (D)</p> Signup and view all the answers

During which phase does the level of antibody production reach its peak faster?

<p>Exponential phase (3-5 days) (D)</p> Signup and view all the answers

Which immunoglobulin is primarily produced as the first antibody?

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

What is a characteristic of the antibody levels during the primary response compared to the secondary response?

<p>Primary response has greater affinity for antigens (A)</p> Signup and view all the answers

What determines the amount of antibody produced during an immune response?

<p>Nature of antigen (B)</p> Signup and view all the answers

Which phase is characterized by a rapid decline in antibody levels?

<p>Decline phase (B)</p> Signup and view all the answers

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