Podcast
Questions and Answers
Which of the following is a method used to measure serum enzyme activity?
Which of the following is a method used to measure serum enzyme activity?
- Rate of change in absorbance (correct)
- Radiography
- Electrophoresis
- Enzyme-linked immunosorbent assay (ELISA)
Acute myocardial infarction results from a blockage in the vessels caused by atherosclerotic plaque rupture.
Acute myocardial infarction results from a blockage in the vessels caused by atherosclerotic plaque rupture.
True (A)
What is the primary difference between acute myocardial infarction (AMI) and unstable angina?
What is the primary difference between acute myocardial infarction (AMI) and unstable angina?
AMI involves tissue damage, while unstable angina does not.
The enzyme activity of aspartate aminotransferase is calculated using the formula: activity (µmol/min/ml) = 6.22 x ______.
The enzyme activity of aspartate aminotransferase is calculated using the formula: activity (µmol/min/ml) = 6.22 x ______.
Match the following biomarkers with their methods of measurement:
Match the following biomarkers with their methods of measurement:
Which condition is indicative of an imbalance between myocardial oxygen supply and demand?
Which condition is indicative of an imbalance between myocardial oxygen supply and demand?
All patients presenting with acute chest pain have experienced an acute myocardial infarction.
All patients presenting with acute chest pain have experienced an acute myocardial infarction.
What requirement must serum biomarkers meet to be considered effective in diagnosis?
What requirement must serum biomarkers meet to be considered effective in diagnosis?
Which isoform of creatine kinase is primarily used for acute myocardial infarction (AMI) detection?
Which isoform of creatine kinase is primarily used for acute myocardial infarction (AMI) detection?
Creatine kinase MB is only present in heart tissue.
Creatine kinase MB is only present in heart tissue.
What biomarker is produced in response to stress on the atrial and ventricle wall in heart failure?
What biomarker is produced in response to stress on the atrial and ventricle wall in heart failure?
Which biomarker is specifically associated with acute myocardial infarction (AMI)?
Which biomarker is specifically associated with acute myocardial infarction (AMI)?
A normal NT-proBNP result has a strong __________ value for heart failure.
A normal NT-proBNP result has a strong __________ value for heart failure.
Match the following serum biomarkers with their functions:
Match the following serum biomarkers with their functions:
Troponin T is the only troponin isoform used as a biomarker for AMI.
Troponin T is the only troponin isoform used as a biomarker for AMI.
What is a potential limitation of using BNP as a biomarker?
What is a potential limitation of using BNP as a biomarker?
What is the role of Pro-BNP as a biomarker of heart damage?
What is the role of Pro-BNP as a biomarker of heart damage?
Serum creatine kinase levels are always high in normal individuals.
Serum creatine kinase levels are always high in normal individuals.
Troponin I isoforms are found in ______ muscle tissue.
Troponin I isoforms are found in ______ muscle tissue.
Match the following troponin isoforms with their specific muscle type:
Match the following troponin isoforms with their specific muscle type:
What diagnostic tool is recommended following a raised NT-proBNP or BNP level?
What diagnostic tool is recommended following a raised NT-proBNP or BNP level?
What is recommended for diagnosing AMI in terms of troponin sampling?
What is recommended for diagnosing AMI in terms of troponin sampling?
Myocarditis can lead to the release of troponins into the bloodstream.
Myocarditis can lead to the release of troponins into the bloodstream.
Name one limitation of the current troponin I assays.
Name one limitation of the current troponin I assays.
