Homeostasis and Feedback Control Quiz
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Questions and Answers

Which term refers to the ability to maintain a relatively constant internal environment even if the external environment fluctuates?

  • Antagonistic effectors
  • Homeostasis (correct)
  • Set point
  • Regulated variable
  • What are some factors of the internal environment that are regulated?

  • Concentration of nutrient molecules
  • Concentration of CO2 and O2
  • Concentration of wastes
  • All of the above (correct)
  • What is the basis for disease and death?

  • Disruption of homeostasis (correct)
  • Set point
  • Homeostasis
  • Regulated variable
  • Which chapter of the textbook discusses homeostasis and feedback control?

    <p>Chapter 11</p> Signup and view all the answers

    What is the definition of regulated variable?

    <p>Variable being maintained; stays within narrow range</p> Signup and view all the answers

    Which of the following is NOT a factor of the internal environment that is regulated?

    <p>Concentration of wastes</p> Signup and view all the answers

    What is the term for the 'normal' or expected value of the regulated variable?

    <p>Set point</p> Signup and view all the answers

    Which of the following is an example of a regulated variable?

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

    Disruption of homeostasis is the basis for ___________.

    <p>Disease and death</p> Signup and view all the answers

    What is the ability to maintain a relatively constant internal environment even if the external environment fluctuates called?

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

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