16 Questions
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?
Condition of being resistant to infection
What practice did the Chinese develop in the 1500s to protect against smallpox?
Inhaling powder made from smallpox scabs (langib)
Who discovered the relationship between exposure to cowpox and immunity to smallpox?
Edward Jenner
What is the significance of the practice of variolation in the 1700s?
Exposing an individual to materials from smallpox lesions to induce immunity
Explain how Edward Jenner's discovery revolutionized immunization.
He discovered the relationship between exposure to cowpox and immunity to smallpox.
Describe the concept of cross-immunity in immunology.
Exposure to one agent provides protection against another agent.
What contribution did Louis Pasteur make to the fields of microbiology and immunology?
He developed the principle of attenuation for the prevention of rabies.
Explain the concept of artificially acquired active immunity.
It is immunity acquired through vaccines, which stimulate an immune response.
Differentiate between attenuated, inactivated, and toxoid vaccines.
Attenuated vaccines contain weakened viruses, inactivated vaccines contain killed viruses, and toxoid vaccines contain inactivated toxins.
What does the term 'Vacca' refer to in the context of vaccination?
It is the Latin word for 'cow'.
Explain the relationship between Immunogen and antigen.
Immunogens are antigens capable of triggering an adaptive immune response.
What is the difference between immunity and Immunology?
Immunity refers to the condition of being resistant to infection, while Immunology is the study of host reactions to foreign substances.
Describe the significance of the 1500s Chinese practice of inhaling powder from smallpox scabs.
It was used to induce protection against smallpox.
Explore the foundational concepts of immunology, including the study of host reactions to foreign substances, the definitions of antigens and immunogens, and the concept of immunity. Test your knowledge on these key terms in immunology.
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