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Enzymes in Clinical Diagnosis

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Questions and Answers

Which of the following is not a condition where serum LDH level is elevated?

Pernicious anemia

Acute pancreatitis (correct)

Progressive muscular dystrophy

Acute hepatitis

What is the normal range of serum LDH level?

200-300 units/L

100-190 units/L (correct)

50-100 units/L

300-400 units/L

Which of the following statements about the serum LDH level in myocardial infarction is correct?

Serum LDH level returns to normal in 2-3 days.

Serum LDH level reaches peak level around 5-7 days.

Serum LDH level is decreased within 24 hours after infarction.

Serum LDH level is elevated within 24 hours after infarction and reaches peak level around 2-3 days. (correct)

What is the normal range of serum amylase level?

800-1800 Units/L Signup and view all the answers

Which of the following conditions is not associated with elevated serum amylase level?

Acute hepatitis Signup and view all the answers

What is the normal range of serum lipase level?

150 Units/L Signup and view all the answers

Which of the following conditions is not associated with elevated serum lipase level?

Myocardial infarction Signup and view all the answers

What is the normal range of serum creatine kinase (CK) or creatine phosphokinase (CPK) level?

12-60 U/L Signup and view all the answers

Which of the following is not a location where CK (CPK) is found?

Pancreas Signup and view all the answers

Which of the following statements about the serum CK (CPK) level in myocardial infarction is correct?

Serum CK (CPK) level is highly increased in myocardial infarction. Signup and view all the answers