Midterms: Fecal Analysis and Body Fluids Quiz
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Questions and Answers

What is the purpose of emulsifying stool in 10% alcoholic eosin?

  • To identify undigested fibers with striations
  • To examine for the number of red-stained fibers (correct)
  • To detect steatorrhea
  • To test for the presence of fatty acid salts
  • What does the presence of undigested fibers with visible striations indicate?

  • Digestion-related issues (correct)
  • Indigestion of fatty acid salts
  • Malabsorption disorders
  • Steatorrhea
  • How can fatty acid salts and fatty acids be stained for visualization?

  • Mixing with Sudan III
  • Combining with Oil Red O
  • Adding Sudan IV
  • Heating with HAc (correct)
  • What indicates steatorrhea when examining fat droplets?

    <p>&gt;100 small fat droplets observed</p> Signup and view all the answers

    What distinguishes partially digested fibers from undigested fibers?

    <p>Presence of striations in one direction</p> Signup and view all the answers

    Why are neutral fats and triglycerides stained by Sudan III?

    <p>Because they appear as large orange-red droplets</p> Signup and view all the answers

    What should be noted when observing fat droplets under microscopic examination?

    <p>Size and number of fat droplets</p> Signup and view all the answers

    How are fatty acid salts and fatty acids made visible for examination?

    <p>Through staining with Oil Red O</p> Signup and view all the answers

    What does the absence of striations indicate in fiber analysis?

    <p>Presence of digested fibers</p> Signup and view all the answers

    In screening test for fecal fat, how are fatty acids visualized?

    <p>HAc and heating</p> Signup and view all the answers

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