Cardiovascular Engineering MCQ

Q1. The basic functional unit of the heart is:

Q2. Which valve prevents backflow from the left ventricle to the left atrium?

Q3. What is the normal heart rate of an adult human?

Q4. Which part of the cardiac conduction system acts as the natural pacemaker?

Q5. What does the P wave in an ECG represent?

Q6. Which vessels carry oxygenated blood from the lungs to the heart?

Q7. Stroke volume refers to:

Q8. Which layer of the heart wall contains cardiac muscle?

Q9. The QRS complex in ECG corresponds to:

Q10. The cardiac output is defined as:

Q11. Which structure prevents blood backflow from the pulmonary artery into the right ventricle?

Q12. The function of the chordae tendineae is to:

Q13. Which vessel is the largest artery in the human body?

Q14. Heart rate variability measures:

Q15. The T wave on an ECG represents:

Q16. Which of the following is a pacemaker cell?

Q17. The term “afterload” refers to:

Q18. The timing between heartbeats is measured by:

Q19. The fastest electrical conduction in the heart occurs in:

Q20. Which heart chamber has the thickest muscular wall?

Q21. The cardioinhibitory center is located in the:

Q22. Which blood vessels connect arteries and veins?

Q23. What is the normal pressure in the left ventricle during systole?

Q24. The phase of the cardiac cycle during which ventricles fill with blood is:

Q25. Which of the following ECG leads records electrical activity between right arm and left arm?

Q26. Which muscle protein is responsible for thick filament in muscle contraction?

Q27. Which wave corresponds to atrial repolarization in ECG?

Q28. The primary pacemaker in the heart is:

Q29. The thickness of the right ventricle wall is approximately:

Q30. Which of the following causes the “lub” sound in the heart?

Q31. The sinoatrial node is located in:

Q32. In the cardiac conduction system, impulse delay occurs in:

Q33. Stroke volume is normally about:

Q34. Which ion channel is mainly responsible for cardiac action potential depolarization?

Q35. The time between two successive heartbeats is called:

Q36. Coronary arteries supply blood to:

Q37. The AV node is located in the:

Q38. What causes the heart to contract?

Q39. Which of the following has the fastest conduction velocity?

Q40. Which technique provides electrical mapping of heart activity?