Isoenzymes and Clinical Significance — MCQs

Which isoenzyme of LDH is seen in the heart?

Which of the following reagents would be most useful in determining the N-terminal amino acid of a polypeptide?

Which isoform of LDH is raised in Anemia ?

What are isoenzymes?

A patient came to the hospital with severe abdominal pain, and lipase levels were elevated. On imaging, a stone is found in the common bile duct (CBD). Which enzyme is most likely elevated in this condition?

In which of the following conditions is serum alkaline phosphatase typically not elevated?

An 8 year old boy complains of increasing muscle weakness. On examination, his calves are bulky and show muscle tightening. His serum creatine kinase levels are increasing with age. Which of the following is the most likely diagnosis?

Creatine kinase is elevated in MI after

Enzyme that can be traced in semen sample of 8-10 weeks is:

Which of the following biochemical markers is NOT elevated in a child presenting with jaundice, icterus, pruritus, and clay-colored stools?