Alcohol Metabolism and Hepatic Toxicity Quiz

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Questions and Answers

What is the purpose of including PT in the tests for liver disease?

  • To assess liver fibrosis
  • To measure nitrogen metabolism
  • To aid in the diagnosis of liver disease
  • To determine the risk of bleeding (correct)

What condition is Ig A elevated in?

  • Alcoholic cirrhosis (correct)
  • Metastatic carcinoma of the liver
  • Chronic active hepatitis
  • Primary biliary cirrhosis

In liver failure, what happens to the levels of ammonia?

  • They are converted to urea by the liver
  • They decrease in the bloodstream
  • They increase in the bloodstream (correct)
  • They are not toxic to the body

Which test may reveal high serum levels in metastatic carcinoma of the liver?

<p>Lactate dehydrogenase (D)</p> Signup and view all the answers

What method is preferred for analyzing serum bilirubin according to the text?

<p>Evelyn and Malloy method (D)</p> Signup and view all the answers

Why should a fasting sample be used when processing bilirubin?

<p>To prevent falsely elevated bilirubin concentration (D)</p> Signup and view all the answers

What can happen if a hemolyzed sample is used for bilirubin analysis?

<p>Decreased reaction with diazotized sulfanilic acid (D)</p> Signup and view all the answers

How is urobilinogen measured in feces according to the text?

<p>Treatment with alkaline ferrous hydroxide before Ehrlich’s reagent is added (D)</p> Signup and view all the answers

Which of the following is NOT true about the Jendrassik and Grof method for bilirubinometry?

<p>It is less sensitive than the Evelyn and Malloy method. (B)</p> Signup and view all the answers

Which of the following statements is true regarding bilirubinometry in neonatal population using POCT?

<p>It uses wavelengths that provide a numerical index based on skin reflection. (D)</p> Signup and view all the answers

In the Van Den Burgh method for bilirubin quantitation, when can the diazo reaction be applied to serum samples?

<p>Only in the presence of an accelerator. (D)</p> Signup and view all the answers

Which of the following is accurate about the Evelyn and Malloy method for bilirubin quantitation?

<p>The accelerator used includes 50% methanol as a solubilizer. (A)</p> Signup and view all the answers

Why is unprotected light exposure an issue in bilirubin values measurement?

<p>It could make bilirubin values appear falsely normal. (A)</p> Signup and view all the answers

Which method is described as being more sensitive than the Evelyn and Malloy method for bilirubin quantitation?

<p>Jendrassik and Grof method (B)</p> Signup and view all the answers

What is the role of caffeine sodium benzoate in the Jendrassik and Grof method for bilirubin quantitation?

<p>It serves as an accelerator. (A)</p> Signup and view all the answers

What can be inferred about urine urobilinogen levels when absent from both urine and stool?

<p>Suggests complete biliary obstruction (C)</p> Signup and view all the answers

What is true about the use of distilled water as blanks in bilirubin quantitation?

<p>Specific blanks are used to eliminate interferences (D)</p> Signup and view all the answers

What outcome can occur if serum samples are not properly stored before bilirubin quantitation?

<p>Decrease in bilirubin values over time (D)</p> Signup and view all the answers

Which characteristic is associated with bilirubin quantitation using Van Den Burgh method?

<p>Utilizes 0.1% Sulfanilic Acid + HCl for diazo A (D)</p> Signup and view all the answers

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