20th Century Medical Advances
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Questions and Answers

What was the primary goal of Paul Ehrlich's research?

  • To find a method to kill germs without harming healthy tissue (correct)
  • To discover vaccines for infectious diseases
  • To identify specific bacteria
  • To develop surgical techniques for treating syphilis
  • Which compound is known as the first magic bullet discovered by Ehrlich's team?

  • Penicillin
  • Salvarsan 606 (correct)
  • Streptomycin
  • Prontosil
  • What did Gerhard Domagk discover in 1935?

  • The process of vaccination
  • The structure of DNA
  • A new method for gene therapy
  • An antibacterial drug known as Prontosil (correct)
  • How did Ehrlich and Hata determine the effectiveness of the compounds they were testing?

    <p>By infecting rabbits with syphilis and monitoring recovery (B)</p> Signup and view all the answers

    What medical advancement in the 20th century was influenced by Ehrlich's research on magic bullets?

    <p>The discovery of penicillin (B)</p> Signup and view all the answers

    Why was Salvarsan 606 significant in medical history?

    <p>It was the first chemical treatment for syphilis. (A)</p> Signup and view all the answers

    What did the term 'magic bullet' refer to in the context of Ehrlich's research?

    <p>A drug that can selectively kill pathogens (C)</p> Signup and view all the answers

    In what way did the discoveries of 19th-century scientists influence 20th-century medicine?

    <p>They paved the way for targeted medications. (B)</p> Signup and view all the answers

    Which type of disease was targeted by the first magic bullet, Salvarsan 606?

    <p>Syphilis (C)</p> Signup and view all the answers

    What were researchers encouraged to search for after the discovery of Salvarsan 606?

    <p>Natural substances that could target infections (A)</p> Signup and view all the answers

    Flashcards

    Magic bullet

    A substance that can kill or reduce the growth of bacteria inside the body without harming healthy human tissue.

    Streptococcal

    A type of bacteria that caused life-threatening infections. It was targeted by Prontosil, the second 'magic bullet'.

    Salvarsan 606

    A chemical compound that acted as a specific cure for syphilis. It was a key breakthrough towards developing other 'magic bullets.'

    Syphilis

    A sexually transmitted disease that can cause serious damage to the brain and body if untreated.

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    Robert Koch

    A scientist who made significant contributions to bacteriology, including identifying specific bacteria that cause diseases.

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    Magic bullet theory

    The idea that specific chemicals could target and destroy harmful bacteria in the body without harming healthy tissue.

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    Prontosil

    A breakthrough antibacterial drug discovered in 1935. It became the second 'magic bullet,' after Salvarsan 606.

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    Paul Ehrlich

    A scientist known for his research into dyes that could stain bacteria, leading to the development of 'magic bullets.'

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    Antibiotic

    A substance, like penicillin, that inhibits the growth of bacteria.

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    Alexander Fleming

    A scientist who discovered penicillin, a groundbreaking antibiotic that revolutionized the treatment of bacterial infections.

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    Study Notes

    20th Century Medical Advances

    • Significant advancements in medicine built upon 19th-century discoveries, leading to increased life expectancy.
    • Researchers sought "magic bullets" – chemicals to kill germs without harming human tissue, following Pasteur's germ theory and Koch's bacterial identification methods.
    • Paul Ehrlich, working with Koch, explored using industrial dyes to target bacteria. Ehrlich theorized specific chemicals could kill germs selectively.
    • Ehrlich and Hata tested hundreds of chemical compounds on syphilis-infected rabbits, seeking a compound that cured without harming the rabbits.
    • Salvarsan 606, the 606th compound tested, proved effective in treating syphilis.
    • Salvarsan 606 was the first "magic bullet," a chemical cure for syphilis.
    • Salvarsan 606 spurred research for other "magic bullets."
    • In 1935, Gerhard Domagk discovered Prontosil, the second magic bullet, an antibacterial drug effective against streptococcal bacteria.
    • This led to further exploration of natural substances for targeting infections and the eventual discovery of penicillin.

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    Description

    Explore the groundbreaking medical advancements of the 20th century, highlighting significant innovations that arose from the discoveries of the 19th century. Learn about 'magic bullets' like Salvarsan 606 and Prontosil, which revolutionized the treatment of infectious diseases. This quiz delves into the research and scientists who transformed medicine during this pivotal era.

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