History of Disease Control
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Questions and Answers

Who introduced the concept that specific infectious disease is caused by a specific microorganism?

  • Robert Koch
  • Louis Pasteur (correct)
  • Ignaz Semmelweis
  • Alexander Fleming
  • What was the significance of Pasteur's swan-necked flask experiment in the defeat of spontaneous generation?

  • Showed that air could not enter the flask
  • Led to the rejection of the theory of spontaneous generation (correct)
  • Prevented microorganisms from entering the flask
  • Demonstrated the process of sterilization
  • Which scientist studied anthrax, used mice in experiments, and developed a set of postulates to establish a causative relationship between microorganisms and diseases?

  • Alexander Fleming
  • Ignaz Semmelweis
  • Robert Koch (correct)
  • Louis Pasteur
  • What happened when Robert Koch transferred blood from a diseased mouse into a healthy mouse?

    <p>Both mice became ill</p> Signup and view all the answers

    What was done to the liquid in Pasteur's flask to ensure that no microorganisms grew?

    <p>Sterilized by heating</p> Signup and view all the answers

    Which scientist is known for his contributions to handwashing in healthcare and fighting against puerperal fever?

    <p>Ignaz Semmelweis</p> Signup and view all the answers

    Who demonstrated that wine diseases are caused by bacteria that can change alcohol into acetic acid?

    <p>Louis Pasteur</p> Signup and view all the answers

    What is the purpose of pasteurization technique?

    <p>To kill microorganisms in food and beverages</p> Signup and view all the answers

    Which temperature is typically used in the classic pasteurization treatment of milk?

    <p>63°C</p> Signup and view all the answers

    What is the purpose of vaccination?

    <p>To stimulate the immune system to develop immunity against a pathogen</p> Signup and view all the answers

    Which microorganism did Louis Pasteur develop a vaccine for?

    <p>Chicken cholera</p> Signup and view all the answers

    Who is credited with the development of the Germ Theory of Disease?

    <p>Louis Pasteur</p> Signup and view all the answers

    What did the germ theory of disease provide that was previously lacking in understanding the cause of human diseases?

    <p>Definitive proof of the role of microorganisms</p> Signup and view all the answers

    What did Ignaz Semmelweis believe would reduce cases of puerperal fever in hospitals?

    <p>Handwashing by hospital staff</p> Signup and view all the answers

    Which Austrian hospital was Ignaz Semmelweis employed in when he observed the high incidence of maternal mortality?

    <p>Vienna General Hospital</p> Signup and view all the answers

    What did Ignaz Semmelweis propose to drastically reduce the incidence of maternal mortality in obstetrical clinics?

    <p>Handwashing standards</p> Signup and view all the answers

    What was the impact on the incidence of maternal mortality after handwashing standards were introduced?

    <p>Declined from up to 30% to 1%</p> Signup and view all the answers

    How did discoveries in sanitation provide indirect evidence for the role of microorganisms in causing human diseases?

    <p>By demonstrating the importance of hygiene practices</p> Signup and view all the answers

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