Podcast
Questions and Answers
Which isoenzyme of creatine kinase (CK) is most common in the brain?
Which isoenzyme of creatine kinase (CK) is most common in the brain?
- CK-MM
- CK-BB (correct)
- CK-MB
- CK-NN
What is the primary function of creatine kinase?
What is the primary function of creatine kinase?
- Protein breakdown
- Carbohydrate metabolism
- DNA synthesis
- ATP regeneration in muscle cells (correct)
In which condition would you typically observe pronounced elevation of serum LDH levels?
In which condition would you typically observe pronounced elevation of serum LDH levels?
- Hypoglycemia
- Acute lymphoblastic anemia (correct)
- Hyperthyroidism
- Osteoporosis
In the context of LDH isoenzymes, what pattern is typically seen in bacterial meningitis?
In the context of LDH isoenzymes, what pattern is typically seen in bacterial meningitis?
Which isoenzyme of creatine kinase (CK) is considered a hybrid type with mixed muscle and brain origin?
Which isoenzyme of creatine kinase (CK) is considered a hybrid type with mixed muscle and brain origin?
Which isoenzyme is the major isoenzyme found in the heart and red blood cells?
Which isoenzyme is the major isoenzyme found in the heart and red blood cells?
Which isoenzyme is indicative of liver injury or hepatic inflammation?
Which isoenzyme is indicative of liver injury or hepatic inflammation?
Which isoenzyme is considered the most labile (unstable) enzyme?
Which isoenzyme is considered the most labile (unstable) enzyme?
Which of the following conditions can lead to an increase in both LDH-5 and LDH-6 levels?
Which of the following conditions can lead to an increase in both LDH-5 and LDH-6 levels?
Which isoenzyme measurement method is considered the reference method?
Which isoenzyme measurement method is considered the reference method?
Which of the following is a potential source of error in LDH assays?
Which of the following is a potential source of error in LDH assays?
What is the preferred specimen for measuring serum aldolase levels?
What is the preferred specimen for measuring serum aldolase levels?
Which of the following is NOT a potential source of error when measuring enzyme activity?
Which of the following is NOT a potential source of error when measuring enzyme activity?
Which isoenzyme is used as the indicator reaction in the Karmen method for measuring enzyme activity?
Which isoenzyme is used as the indicator reaction in the Karmen method for measuring enzyme activity?
Which of the following statements about the CK-MB isoenzyme is correct?
Which of the following statements about the CK-MB isoenzyme is correct?
What is the reference range for serum lactate dehydrogenase (LDH) levels?
What is the reference range for serum lactate dehydrogenase (LDH) levels?
