Thermometry Quiz: Mercury vs. Thermistors
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Questions and Answers

Why is mercury often used in medical thermometers?

  • Mercury has a higher boiling point than alcohol.
  • Mercury is safer for human health compared to alcohol.
  • Mercury is cheaper to produce than alcohol.
  • Mercury expands at a more consistent rate than alcohol. (correct)

    • What is the primary advantage of having a thin capillary in a fever thermometer?

  • To decrease the response time of the thermometer.
  • To increase the thermometer's durability.
  • To make the thermometer more cost-effective.
  • To allow for more precise readings of temperature changes. (correct)

    • What gives thermistors their high sensitivity as temperature sensors?

  • Their chemical composition.
  • Their electrical resistance changes significantly with temperature. (correct)
  • Their ability to resist temperature changes.
  • Their large physical size.

    • How does the small size of thermistors benefit their usage in monitoring blood temperature?

    <p>Enables insertion into small blood vessels.</p> Signup and view all the answers

    Which physical factor does NOT influence the total heat transferred in the conductive method of heat generation?

    <p>Type of material</p> Signup and view all the answers

    What type of energy is utilized in microwave diathermy for therapeutic purposes?

    <p>Microwave radiation</p> Signup and view all the answers

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