Tu Youyou's Research on Herbal Medicine
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Questions and Answers

What primary method did Tu Youyou's research employ for preparing herbal extracts?

  • Decoction method involving simmering (correct)
  • Cold infusion of herbs
  • Fermentation of plant materials
  • Extraction using alcohol
  • Which of the following statements about the focus of Tu Youyou's research is accurate?

  • The research was aimed specifically at improving the efficacy of vaccines.
  • The research was concentrated on developing herbal supplements for general health.
  • The research aimed to eliminate Plasmodium parasites. (correct)
  • The research targeted the enhancement of synthetic drugs.
  • Which plant extract was identified as promising yet produced inconsistent results in Tu Youyou's study?

  • Echinacea purpurea
  • Rhodiola rosea
  • Artemisia annua (Sweet Wormwood) (correct)
  • Quinine from Cinchona bark
  • How many different plants' extracts were tested in the research conducted by Tu Youyou?

    <p>380 extracts from 200 plants</p> Signup and view all the answers

    Tu Youyou advocated for integrating which of the following in her research approach?

    <p>Various fields including herbal, mineral, and animal substances</p> Signup and view all the answers

    What inspired Tu Youyou to pursue research in medicines?

    <p>Her experience with tuberculosis during her teenage years</p> Signup and view all the answers

    What major challenge did Tu Youyou face during her research for an antimalarial treatment?

    <p>The increasing resistance of malaria parasites to existing treatments</p> Signup and view all the answers

    In what year did Tu Youyou's team successfully discover artemisinin?

    <p>1969</p> Signup and view all the answers

    Which of the following was a significant factor in Tu Youyou's discovery process for artemisinin?

    <p>Ancient Chinese medicine recipes</p> Signup and view all the answers

    Which disease did Tu Youyou initially study early in her research career?

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

    What was the main goal of Project 523, which Tu Youyou led?

    <p>To find new antimalarial drugs from traditional Chinese medicine</p> Signup and view all the answers

    What notable position does Tu Youyou currently hold?

    <p>Chief scientist at the China Academy of Traditional Chinese Medicine</p> Signup and view all the answers

    How did Tu Youyou contribute to the understanding of traditional Chinese medicine?

    <p>By emphasizing its potential as a resource for new medicines</p> Signup and view all the answers

    What year did Valentina Tereshkova become the first woman to fly in space?

    <p>1963</p> Signup and view all the answers

    Which significant position did Valentina Tereshkova hold after her space flight?

    <p>Member of the Supreme Soviet Presidium</p> Signup and view all the answers

    How many orbits around Earth did Valentina Tereshkova complete during her flight?

    <p>48</p> Signup and view all the answers

    In which year did Valentina Tereshkova gain her doctorate in engineering?

    <p>1977</p> Signup and view all the answers

    What was one of Valentina Tereshkova's skills that contributed to her success as a cosmonaut?

    <p>Expert parachuting skills</p> Signup and view all the answers

    What inspired Tu Youyou's research into antimalarial treatments?

    <p>Traditional Chinese medicine and older medical texts</p> Signup and view all the answers

    Which of the following accurately describes artemisinin's mechanism of action against malaria parasites?

    <p>It damages the parasite's membranes and interrupts hemoglobin digestion</p> Signup and view all the answers

    What method did Tu Youyou use to extract artemisinin from Artemisia annua?

    <p>Low-temperature extraction using water, ethanol, and ethyl ether</p> Signup and view all the answers

    Which active derivative of artemisinin was developed later for enhanced potency?

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

    What was the primary benefit of artemisinin combination therapies according to the research findings?

    <p>They treat over 198 million people annually</p> Signup and view all the answers

    What distinguished Tu Youyou's achievements in the field of medicine?

    <p>First Chinese woman to win the Nobel Prize in Medicine</p> Signup and view all the answers

    Which scientist's research led to the creation of the drug ivermectin?

    <p>Satoshi Omura</p> Signup and view all the answers

    How many compounds were tested worldwide before discovering the benefits of artemisinin?

    <p>240,000</p> Signup and view all the answers

    What milestone did Jane Goodall achieve in 1965 that was significant for her career?

    <p>Earned a PhD in ethology from Cambridge University</p> Signup and view all the answers

    Which behavior of chimpanzees was notably revealed through Goodall's research?

    <p>Utilization of tools for food gathering</p> Signup and view all the answers

    What was the primary focus of the Jane Goodall Institute founded in 1977?

    <p>To promote global conservation efforts for chimpanzees</p> Signup and view all the answers

    How did Jane Goodall initially manage to gain the trust of the chimpanzees during her research?

    <p>Through patience and understanding</p> Signup and view all the answers

    In what way did Goodall's observations challenge previous beliefs about chimpanzees?

    <p>They exhibit complex emotions and social behaviors</p> Signup and view all the answers

    Which program did Goodall establish in 1991 to encourage youth involvement in conservation?

    <p>Roots &amp; Shoots program</p> Signup and view all the answers

    How did Jane Goodall's early studies into chimpanzee behavior impact perceptions of human-chimpanzee similarities?

    <p>They demonstrated surprising similarities in emotional and social behaviors</p> Signup and view all the answers

    What significant role has Goodall played in the field of conservation beyond her research?

    <p>Inspiring future generations of scientists, especially women</p> Signup and view all the answers

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