Cor Pulmonale MCQ Quiz | Cardiovascular System

1. What is the most accurate definition of cor pulmonale?

2. What is the most common cause of acute cor pulmonale?

3. The most common cause of chronic cor pulmonale worldwide is:

4. What is the primary pathophysiological mechanism leading to the development of cor pulmonale?

5. Which of the following is a classic sign of right ventricular failure in cor pulmonale?

6. Which ECG finding is most characteristic of right ventricular hypertrophy in cor pulmonale?

7. A typical finding on a chest X-ray in a patient with chronic cor pulmonale is:

8. What is considered the gold standard for diagnosing and quantifying pulmonary hypertension?

9. What is the primary therapeutic goal in the management of chronic cor pulmonale?

10. In patients with cor pulmonale secondary to COPD, which intervention has been shown to improve survival?

11. The prognosis of a patient with cor pulmonale is most closely related to the:

12. A “loud P2” sound on cardiac auscultation in a patient with suspected cor pulmonale indicates:

13. What histological change is typically seen in the pulmonary arterioles in long-standing pulmonary hypertension?

14. Can cor pulmonale be caused by primary left-sided heart disease (e.g., mitral stenosis, left ventricular failure)?

15. What would be a typical Arterial Blood Gas (ABG) finding in a patient with decompensated cor pulmonale secondary to COPD?

16. Why does secondary polycythemia often develop in patients with chronic cor pulmonale?

17. Which of the following is a cause of cor pulmonale originating from the pulmonary vasculature itself?

18. Which symptom is often the earliest and most common presentation of cor pulmonale?

19. What is the most important role of echocardiography in the evaluation of suspected cor pulmonale?

20. What is the preferred class of diuretics for managing peripheral edema in cor pulmonale, especially if renal function is preserved?

21. A patient with known cor pulmonale due to COPD presents with worsening dyspnea and cyanosis after a respiratory infection. What is the most likely immediate cause of decompensation?

22. The hypertrophy of the right ventricle in cor pulmonale is a compensatory response to:

23. Which condition must be carefully differentiated from cor pulmonale, as it also presents with right-sided heart failure symptoms but originates from the heart itself?

24. What is the most effective single measure to prevent the progression of cor pulmonale in a patient with COPD?

25. The final common pathway for the development of cor pulmonale, irrespective of the underlying cause, is: