Alkaline Phosphatase Enzyme E.C. 3.1.3.1 Quiz
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Questions and Answers

Which of the following is the most heat-stable isoenzyme of alkaline phosphatase?

  • Bone ALP
  • Placental ALP (correct)
  • Intestinal ALP
  • Liver ALP

Which isoenzyme of alkaline phosphatase is the least anodal?

  • Bone ALP
  • Liver ALP
  • Intestinal ALP (correct)
  • Placental ALP

Which of the following is the most anodal isoenzyme of alkaline phosphatase?

  • Bone ALP
  • Placental ALP
  • Liver ALP (correct)
  • Intestinal ALP

Which of the following isoenzymes of alkaline phosphatase is the most heat-labile?

<p>Bone ALP (D)</p> Signup and view all the answers

Which of the following cancers is associated with the presence of Regan ALP?

<p>Lung cancer (A)</p> Signup and view all the answers

Which of the following is a variant of Regan ALP?

<p>Nagao ALP (C)</p> Signup and view all the answers

Which isoform of ALP is detected in the serum of dialysis patients?

<p>B1x (D)</p> Signup and view all the answers

Which type of bone disorder is associated with increased serum ALP levels?

<p>Osteosarcoma (C)</p> Signup and view all the answers

What is the correct order of the electrophoretic mobility of ALP isoenzymes from fastest to slowest?

<p>Liver, Bone, Placenta, Intestinal (B)</p> Signup and view all the answers

Which condition is associated with prolonged low levels of ALP?

<p>Hypophosphatasia (A)</p> Signup and view all the answers

Which of the following is the most heat stable ALP isoenzyme?

<p>Placenta ALP (D)</p> Signup and view all the answers

Which condition is associated with a transient decrease in serum ALP levels?

<p>Blood transfusion or cardiopulmonary bypass (A)</p> Signup and view all the answers

Which of the following is the most accurate statement about GGT (gamma-glutamyl transferase)?

<p>It is an enzyme involved in the transfer of gamma-glutamyl residues from peptides to amino acids and other small molecules. (D)</p> Signup and view all the answers

Which of the following statements about GGT is incorrect?

<p>It is the most sensitive marker of acute viral hepatitis. (A)</p> Signup and view all the answers

In which of the following scenarios would you expect to see an elevated GGT level?

<p>A patient with a biliary tract obstruction and elevated ALP levels. (A)</p> Signup and view all the answers

What is the primary diagnostic significance of GGT levels?

<p>To differentiate between liver and bone disorders when ALP is elevated. (B)</p> Signup and view all the answers

Which of the following statements about the distribution of GGT in the body is correct?

<p>GGT is found in the kidney, brain, prostate, pancreas, and liver. (C)</p> Signup and view all the answers

Which of the following scenarios would not be expected to result in an elevated GGT level?

<p>A patient with a bone disorder and elevated ALP levels. (A)</p> Signup and view all the answers

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