In Vivo Studies in Biological Research
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Questions and Answers

What are the two major alternatives to in vivo animal testing?

  • In vitro cell culture techniques, in vivo animal testing, and in silico computer simulation
  • In silico computer simulation and in vivo animal testing
  • In vitro cell culture techniques and computer simulation (correct)
  • In vitro cell culture techniques and in vivo animal testing
  • What does the term 'in silico' mean?

  • Within a computer simulation (correct)
  • Within a silicon chip
  • Within a cell culture
  • Within an animal model
  • What is an example of an 'in silico' model mentioned in the text?

  • Computer-aided molecular drug design
  • Quantitative structure activity relationships (QSAR)
  • Computer assisted learning (CAL)
  • All of the above (correct)
  • What is the purpose of the graph shown in the text?

    <p>To show the number of animal experiments in implant dentistry over time</p> Signup and view all the answers

    What is the significance of the 3Rs mentioned in the text?

    <p>They are now widely embedded in legislation and regulations on the use of animals in scientific procedures</p> Signup and view all the answers

    What is a logical extension of controlled in vitro experimentation?

    <p>In silico computer modeling</p> Signup and view all the answers

    What is the main objective of in vivo studies?

    <p>To study biological processes within a living organism</p> Signup and view all the answers

    What advantage of in vivo studies is mentioned in the text?

    <p>Can address the complexity of organ systems</p> Signup and view all the answers

    What is a disadvantage of animal studies mentioned in the text?

    <p>Involve considerable physiological differences between humans and animals</p> Signup and view all the answers

    What does 'in vitro' mean in Latin?

    <p>In glass</p> Signup and view all the answers

    Which statement accurately describes the main disadvantages of animal tests?

    <p>They involve significant ethical concerns and oversight</p> Signup and view all the answers

    What term is used in Latin for 'within the living'?

    <p>In vivo</p> Signup and view all the answers

    What is essential for implant development in implantology before conducting an in vivo test?

    <p>In vitro analysis</p> Signup and view all the answers

    What are some drawbacks of in vivo studies according to the text?

    <p>Time-consuming</p> Signup and view all the answers

    What concept is used to redefine animal usage in research?

    <p>3Rs concept</p> Signup and view all the answers

    For testing the biocompatibility of materials for bone tissue regeneration, what kind of test would you choose?

    <p>Implantation tests</p> Signup and view all the answers

    What should be considered before conducting an in vivo test in relation to animal usage?

    <p>Avoid using animals entirely</p> Signup and view all the answers

    What is the primary objective of in vivo studies according to the text?

    <p>Monitor biological responses</p> Signup and view all the answers

    What is a key limitation of using animal models in research, as mentioned in the text?

    <p>They do not interact with the body material.</p> Signup and view all the answers

    What is the purpose of in vivo tests for biocompatibility?

    <p>To assess how materials interact with the body.</p> Signup and view all the answers

    What dynamic interactions occur at the interface between a material and the body?

    <p>Interactions altering the material or the body</p> Signup and view all the answers

    What is a common feature of animal tests for biocompatibility?

    <p>They usually involve mammals like mice, rats, or guinea pigs.</p> Signup and view all the answers

    Why is it necessary to validate results from animal studies with human studies?

    <p>To confirm that findings are applicable to humans.</p> Signup and view all the answers

    What is one of the four levels of testing mentioned in ISO 7405 for evaluating new dental materials?

    <p>Initial cytotoxicity and secondary tissue screening tests</p> Signup and view all the answers

    Why might a dental material manufacturer choose one cytotoxicity test over another according to ISO 7405 guidelines?

    <p>Based on intended use of the material</p> Signup and view all the answers

    What is the significance of following strict guidelines and humane animal use ethics in in vivo testing as per the text?

    <p>It ensures data collection is accurate</p> Signup and view all the answers

    According to ISO 7405 and ISO 10993, what should always be considered when evaluating test results for dental materials?

    <p>Manufacturers' stated use for the material</p> Signup and view all the answers

    What are three ethical concerns raised when animal research is not conducted with high standards?

    <p>The misuse of animals, The waste of resources, The misuse of data</p> Signup and view all the answers

    What is the ultimate goal of developing approved treatments for humans as mentioned in the text?

    <p>To improve quality of life</p> Signup and view all the answers

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