Adjuvants and Immune Response Enhancement Quiz
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of using an adjuvant along with an antigen?

  • To suppress the immune response to the antigen
  • To inactivate the antigen
  • To neutralize the antigen
  • To enhance the immune response to the antigen (correct)

    • Which of the following is a commonly used adjuvant in human immunization?

  • Aluminum chloride
  • Aluminum nitrate
  • Aluminum hydroxide (correct)
  • Aluminum sulfate

    • How does aluminum hydroxide adjuvant work?

  • It neutralizes the toxoids
  • It inactivates the toxoids
  • It delays the absorption of toxoids and prolongs their exposure to the immune system (correct)
  • It enhances the absorption of toxoids

    • What is the main component of the cell wall in Gram-positive bacteria?

    <p>Peptidoglycan and lipoteichoic acids</p> Signup and view all the answers

    Which bacterial antigen is important in preventing adherence to body surfaces?

    <p>Fimbrial antigens (F antigens)</p> Signup and view all the answers

    What is the primary component of bacterial capsules in Bacillus anthracis?

    <p>Proteins</p> Signup and view all the answers

    Which of the following are highly immunogenic proteins that stimulate the production of antibodies?

    <p>Exotoxins</p> Signup and view all the answers

    What are toxoids?

    <p>Inactivated exotoxins that lose their toxicity but retain antigenicity</p> Signup and view all the answers

    What are porins?

    <p>Proteins that form pores on the surface of Gram-negative bacteria</p> Signup and view all the answers

    Which of the following is true about viral antigens?

    <p>Viral genes code for new proteins that are carried to the surface of infected cells</p> Signup and view all the answers

    What are endogenous antigens?

    <p>Newly synthesized foreign proteins within an animal's cell</p> Signup and view all the answers

    Which of the following microorganisms can invade animals and provoke an immune response?

    <p>All of the above</p> Signup and view all the answers

    Which of the following statements about antigens is correct?

    <p>Antigens stimulate the immune system to produce an immune response.</p> Signup and view all the answers

    What are epitopes?

    <p>Epitopes are the sites on or within the antigen with which antibodies react.</p> Signup and view all the answers

    Which of the following statements about epitopes is incorrect?

    <p>Epitopes are large portions of the antigen molecule.</p> Signup and view all the answers

    What is the area of the antibody molecule that interacts with the epitope called?

    <p>Paratope</p> Signup and view all the answers

    What is the term used for antigens that share one or more similar epitopes?

    <p>Heterophil antigens</p> Signup and view all the answers

    What is the valence of an antigen?

    <p>The number of epitopes on the antigen.</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser