Analysis of Urine & Body Fluids Lesson 1: Laboratory Safety Prelims
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Questions and Answers

What is the most common way of preserving urine according to the text?

  • Freezing at -10 degrees C
  • Refrigerating at 20 degrees C
  • Heating to room temperature
  • Adding chemical preservatives (correct)
  • When transporting 24-hour urine, what temperature condition is recommended in the text?

  • Freezing at -20 degrees C
  • Room temperature
  • Cold temperature or on ice (correct)
  • Heated at 40 degrees C
  • What should be done if a specimen cannot be delivered and tested within 2 hours, based on the text?

  • Refrigerate or add chemical preservative (correct)
  • Heat it to 50 degrees C
  • Freeze it immediately
  • Leave it at room temperature
  • Which type of patient may have difficulty producing sufficient urine quantity as mentioned in the text?

    <p>Geriatric patients</p> Signup and view all the answers

    What should be avoided before processing a very cold urine specimen according to the text?

    <p>Cooling it down to room temperature first</p> Signup and view all the answers

    For how long can urine for culture be kept refrigerated until cultured according to the text?

    <p>Up to 24 hours</p> Signup and view all the answers

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