Immunology Basics
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Questions and Answers

What is Immunology?

Study of a host’s reactions when foreign substances are introduced into the body

Define Antigen.

Foreign substance that induces an immune response

Explain what an Immunogen is.

Macromolecules capable of triggering an adaptive immune response by inducing the formation of antibodies

What is Immunity?

<p>Condition of being resistant to infection</p> Signup and view all the answers

What practice did the Chinese develop in the 1500s to protect against smallpox?

<p>Inhaling powder made from smallpox scabs (langib)</p> Signup and view all the answers

Who discovered the relationship between exposure to cowpox and immunity to smallpox?

<p>Edward Jenner</p> Signup and view all the answers

What is the significance of the practice of variolation in the 1700s?

<p>Exposing an individual to materials from smallpox lesions to induce immunity</p> Signup and view all the answers

Explain how Edward Jenner's discovery revolutionized immunization.

<p>He discovered the relationship between exposure to cowpox and immunity to smallpox.</p> Signup and view all the answers

Describe the concept of cross-immunity in immunology.

<p>Exposure to one agent provides protection against another agent.</p> Signup and view all the answers

What contribution did Louis Pasteur make to the fields of microbiology and immunology?

<p>He developed the principle of attenuation for the prevention of rabies.</p> Signup and view all the answers

Explain the concept of artificially acquired active immunity.

<p>It is immunity acquired through vaccines, which stimulate an immune response.</p> Signup and view all the answers

Differentiate between attenuated, inactivated, and toxoid vaccines.

<p>Attenuated vaccines contain weakened viruses, inactivated vaccines contain killed viruses, and toxoid vaccines contain inactivated toxins.</p> Signup and view all the answers

What does the term 'Vacca' refer to in the context of vaccination?

<p>It is the Latin word for 'cow'.</p> Signup and view all the answers

Explain the relationship between Immunogen and antigen.

<p>Immunogens are antigens capable of triggering an adaptive immune response.</p> Signup and view all the answers

What is the difference between immunity and Immunology?

<p>Immunity refers to the condition of being resistant to infection, while Immunology is the study of host reactions to foreign substances.</p> Signup and view all the answers

Describe the significance of the 1500s Chinese practice of inhaling powder from smallpox scabs.

<p>It was used to induce protection against smallpox.</p> Signup and view all the answers

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