Immunology 2: Antibody vs Cell Mediated Immunity
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Questions and Answers

What is the primary aim of the Immunology 2 module?

  • To focus solely on laboratory techniques
  • To develop psychological understanding in dentistry
  • To apply biomedical principles to dental practice (correct)
  • To explore the basics of biology

Which statement correctly defines passive immunity?

  • It is a natural response to infectious diseases.
  • It only occurs artificially through vaccines.
  • It is acquired through the transfer of antibodies from one individual to another. (correct)
  • It is developed by an individual's immune system after exposure to an antigen.

What distinguishes antibody-mediated immunity from cell-mediated immunity?

  • Antibody-mediated immunity involves the production of antibodies, while cell-mediated immunity involves T cells. (correct)
  • Cell-mediated immunity uses antibodies to neutralize pathogens, while antibody-mediated immunity does not.
  • Antibody-mediated immunity relies on T cells, while cell-mediated immunity relies on B cells.
  • Both types of immunity involve the same mechanisms and cells.

Which of the following is an example of natural active immunity?

<p>Contracting a disease and developing immunity (A)</p> Signup and view all the answers

What is an example of artificial passive immunity?

<p>Treatment with monoclonal antibodies (A)</p> Signup and view all the answers

Which video is suggested for consolidating knowledge about the cellular immune response?

<p>The Cellular Immune Response (A)</p> Signup and view all the answers

What method is primarily used for self-assessment in the Immunology 2 module?

<p>Self-assessment quizzes (A)</p> Signup and view all the answers

What is a characteristic of antibodies produced in response to vaccination?

<p>They are produced against a specific antigen. (A)</p> Signup and view all the answers

Which type of immunity is NOT classified as passive immunity?

<p>Natural active immunity (C)</p> Signup and view all the answers

What is a common risk when immunity from a vaccine begins to run out?

<p>The individual is at risk of infection. (B)</p> Signup and view all the answers

In the context of immunity, what does 'active' refer to?

<p>Production of antibodies by the host (C)</p> Signup and view all the answers

How do antibodies function in the body's immune response?

<p>They bind to specific surface structures on antigens. (A)</p> Signup and view all the answers

Which of these options best characterizes cell-mediated immunity?

<p>Relies on T cells to identify and destroy infected cells (B)</p> Signup and view all the answers

What distinguishes artificial active immunity from natural immunity?

<p>Artificial active immunity involves the administration of vaccines. (C)</p> Signup and view all the answers

Which scenario describes the transfer of antibodies from an immune person to a non-immune person?

<p>Immunoglobulin transplant. (D)</p> Signup and view all the answers

What is the role of immunological memory in vaccinations?

<p>It allows the body to respond faster to subsequent infections. (A)</p> Signup and view all the answers

What is a potential downside of relying on antibodies from breast milk?

<p>They can lead to maternal antibodies overpowering infant immune response. (A)</p> Signup and view all the answers

What happens when a person is re-exposed to the same pathogen after initial vaccination?

<p>A stronger and faster immune response occurs. (D)</p> Signup and view all the answers

Which of the following statements about snake antitoxin is correct?

<p>It is a form of passive immunity. (C)</p> Signup and view all the answers

What occurs upon administration of a vaccine?

<p>An immune reaction is induced against a weakened agent. (C)</p> Signup and view all the answers

Flashcards

Antibody-mediated Immunity

An immune response using antibodies to neutralize pathogens.

Cell-mediated Immunity

An immune response involving specialized cells to directly attack infected cells.

Passive Immunity

Short-term immunity acquired by receiving pre-formed antibodies.

Active Immunity

Long-term immunity acquired by producing antibodies after exposure to a pathogen.

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Natural Passive Immunity

Receiving antibodies from a mother to a baby through breast milk or the placenta.

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Artificial Passive Immunity

Receiving antibodies through a medical treatment, like antivenom.

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Natural Active Immunity

Developing immunity after getting an illness.

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Artificial Active Immunity

Developing immunity through a vaccine.

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Immunology

The study of the immune system and how it responds to pathogens.

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Immune Response

The body's reaction to invaders like bacteria or viruses.

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Immunological Memory

The body remembers a specific antigen after exposure.

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Vaccine

A weakened or killed microorganism used to trigger an immune response.

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Antibody

A protein that specifically targets a foreign substance (antigen).

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Antigen

A foreign substance that triggers an immune response.

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Immunization

The process of making someone immune to a disease.

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Complement System

A group of proteins that work with antibodies to destroy pathogens.

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Specific Immune Response

Immune response targeted at one particular antigen.

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Immunoglobulin

A type of protein that acts as an antibody.

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Study Notes

Immunology 2 Module

  • Tutor: Ms P Lazarou
  • Module: Biomedical Sciences
  • Learning Outcomes (GDC 1.1): Develop dental therapy and dental hygiene principles from biomedical, behavioral, and materials sciences, to build knowledge from immunology studies.

Assessment

  • Formative: Quiz
  • Summative: Questions included in Biomedical Sciences assessment

Immunology 2 Content

  • Task 1: Study article "Antibody-mediated vs cell-mediate immunity" (pages 5-8).
  • Task 2: Complete self-assessment quiz on antibody-mediated and cell-mediated immunity.

Intended Learning Outcomes

  • Review antibody and cell-mediated immunity using resources and a self-assessment quiz.
  • Define and understand differences between antibody-mediated and cell-mediated immunity.
  • Understand passive and active immunizations.

Consolidation of Learning

Antibody-mediated and Cell-mediated Immunity Overview

  • Humoral Immunity: Antibody production by B lymphocytes targets extracellular microbes (e.g., bacteria). Antibodies mediate neutralization, lysis, and phagocytosis.

  • Cellular Immunity: T cells target intracellular microbes (e.g., viruses). Antigen-presenting cells process and present antigens to T cells. Helper T cells activate immune responses, cytotoxic T cells directly kill infected cells.

Passive and Active Immunity

  • Passive Immunity: Antibodies transferred (e.g., from mother's milk, artificial treatments like antitoxins). Short-lasting protection.

  • Natural Active Immunity: Antibodies develop within response to infection. Long-lasting immunity due to immunological memory.

  • Artificial Active Immunity: Antibodies developed as result of vaccines (immunization). A weakened or killed microorganism creates memory.

Immunisation

  • Artificial Active Immunity: Vaccines trigger antibody production after administration. Immunological memory develops from weakened/killed microorganism. Subsequent infections raise stronger, faster immune responses.

How Vaccines Work

  • A harmless version of a disease is introduced to train the body to make antibodies.

  • Later exposure to the disease will trigger immune responses.

References

  • Warrington, R. et al. (Article not specified, but noted as an introductory immunology and immunopathology).
  • McMahon & Sloan (2000): Essentials of Pathology for Dentistry.
  • Immunology.org (Allergy and autoimmune awareness resources provided).
  • JDRF (2018): Juvenile Diabetes Research Foundation report.
  • British Society for Immunology: Immunodeficiency resources.
  • Hindawi: Autoimmune Diseases and their Manifestations.

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Related Documents

Immunology 2 Past Paper PDF

Description

This quiz covers critical concepts from the Immunology 2 module, focusing on antibody-mediated and cell-mediated immunity. Students will define key differences and understand immunization processes while applying their knowledge through a series of self-assessment questions.

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