Myocardial Infarction Practice Questions
20 free Myocardial Infarction practice questions for the Pathology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Myocardial Infarction questions
- Q1. Which of the following is the most common cause of acute myocardial infarction?
- Q2. Which coronary artery is most frequently occluded in myocardial infarction, resulting in an infarct of the anterior wall of the left ventricle?
- Q3. At what time interval following the onset of ischemia does irreversible cell injury (necrosis) typically begin to occur in the myocardium?
- Q4. What is the earliest histological change visible by light microscopy in a myocardial infarct (occurring between 4-12 hours)?
- Q5. A patient dies 3 days after a massive myocardial infarction. What is the expected predominant inflammatory cell type found in the necrotic area at autopsy?
- Q6. Cardiac tamponade is a common clinical consequence of which post-myocardial infarction complication?
- Q7. A 65-year-old male presents with a new-onset holosystolic murmur 4 days after an inferior wall MI. Which of the following is the most likely cause?
- Q8. Which macroscopic appearance is characteristic of a myocardial infarct that occurred 10 to 14 days ago?
- Q9. Which laboratory marker is considered the most sensitive and specific for the diagnosis of acute myocardial infarction?
- Q10. Contraction band necrosis is most likely to be seen in which clinical scenario?
- Q11. Which of the following describes a 'subendocardial' myocardial infarction?
- Q12. What is the primary cause of death in the first few hours following the onset of a myocardial infarction?
- Q13. The development of a 'thin-walled, non-contractile bulge' in the ventricular wall months after an MI is known as a:
- Q14. Dressler syndrome is best described as:
- Q15. Which coronary artery occlusion is typically responsible for an infarct of the posterior-inferior wall and the posterior third of the septum?
- Q16. Macro-test for MI: Which chemical can be used on fresh heart slices to highlight areas of infarction as pale (unstained) zones?
- Q17. A 70-year-old woman survives an MI but develops progressive shortness of breath and orthopnea. This is most likely due to:
- Q18. The formation of granulation tissue in a myocardial infarct is typically seen during which time frame?
- Q19. Which of the following is a risk factor for myocardial rupture after an infarction?
- Q20. Stunned myocardium refers to: