18 Questions
Which of the following is the most heat-stable isoenzyme of alkaline phosphatase?
Placental ALP
Which isoenzyme of alkaline phosphatase is the least anodal?
Intestinal ALP
Which of the following is the most anodal isoenzyme of alkaline phosphatase?
Liver ALP
Which of the following isoenzymes of alkaline phosphatase is the most heat-labile?
Bone ALP
Which of the following cancers is associated with the presence of Regan ALP?
Lung cancer
Which of the following is a variant of Regan ALP?
Nagao ALP
Which isoform of ALP is detected in the serum of dialysis patients?
B1x
Which type of bone disorder is associated with increased serum ALP levels?
Osteosarcoma
What is the correct order of the electrophoretic mobility of ALP isoenzymes from fastest to slowest?
Liver, Bone, Placenta, Intestinal
Which condition is associated with prolonged low levels of ALP?
Hypophosphatasia
Which of the following is the most heat stable ALP isoenzyme?
Placenta ALP
Which condition is associated with a transient decrease in serum ALP levels?
Blood transfusion or cardiopulmonary bypass
Which of the following is the most accurate statement about GGT (gamma-glutamyl transferase)?
It is an enzyme involved in the transfer of gamma-glutamyl residues from peptides to amino acids and other small molecules.
Which of the following statements about GGT is incorrect?
It is the most sensitive marker of acute viral hepatitis.
In which of the following scenarios would you expect to see an elevated GGT level?
A patient with a biliary tract obstruction and elevated ALP levels.
What is the primary diagnostic significance of GGT levels?
To differentiate between liver and bone disorders when ALP is elevated.
Which of the following statements about the distribution of GGT in the body is correct?
GGT is found in the kidney, brain, prostate, pancreas, and liver.
Which of the following scenarios would not be expected to result in an elevated GGT level?
A patient with a bone disorder and elevated ALP levels.
Test your knowledge on Alkaline Phosphatase enzyme (E.C. 3.1.3.1) with this quiz. Learn about its reference values, optimal pH for reaction, activators, and distribution in the body. Also, explore the diagnostic significance and isoenzymes related to Alkaline Phosphatase.
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