Biliary Disorders in Farm Animals
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Questions and Answers

What is the main cause of jaundice in cholelithiasis?

  • Compression by tumor masses
  • Obstruction of bile ducts by nematodes
  • Formation of biliary calculi (correct)
  • Presence of flukes in the bile ducts
  • What happens in partial biliary obstruction?

  • Disappearance of bile pigments in feces and urine
  • Complete elimination of bile pigments from both feces and urine
  • Presence of urobilinogen in urine but absence in feces (correct)
  • No change in the levels of bile pigments
  • What can retard the absorption of vitamin K in the intestine?

  • Absence of bile salts (correct)
  • Atrophy in the right lobe of the liver
  • Excessive blood engorgement in the liver
  • Rupture of the liver
  • Which type of jaundice results in the disappearance of bile pigments from feces due to complete obstruction?

    <p>Posthepatic jaundice</p> Signup and view all the answers

    What clinical finding is associated with hepatic encephalopathy?

    <p>Hyperexcitability and convulsions</p> Signup and view all the answers

    Why is parenteral administration of Vitamin K advisable before surgery for patients with severe hepatic dysfunction?

    <p>To assist in blood clotting</p> Signup and view all the answers

    What is a potential neurologic sign of hepatic encephalopathy?

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

    In farm animals, primary diseases of the liver are rare except for which reason?

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

    What can cause acute swelling of the liver in congestive heart failure?

    <p>Engorgement with blood</p> Signup and view all the answers

    What leads to high blood levels of ammonia and subsequent spongy degeneration in the brain during pyrrolizidine poisoning?

    <p>Intravenous infusion of ammonia</p> Signup and view all the answers

    What condition can lead to black livers in sheep known as melanosis?

    <p>Repeated injection of foreign protein</p> Signup and view all the answers

    What can cause the displacement of the liver in farm animals, such as diaphragmatic hernia or torsion of a lobe in aged sows?

    <p>Diaphragmatic hernia</p> Signup and view all the answers

    What can cause cholestasis in farm animals according to the text?

    <p>Compression by tumor masses</p> Signup and view all the answers

    Which condition is a rare cause of biliary obstruction in horses and cattle?

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

    What parasite can cause purulent cholangitis and cholecystitis according to the text?

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

    Which of the following is a cause of intrahepatic primary cholestasis as mentioned in the text?

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

    What can lead to mechanical stasis of biliary flow and fibrosis according to the text?

    <p>Fibrous tissue constriction</p> Signup and view all the answers

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