Cardiovascular Engineering MCQ
Q1. The basic functional unit of the heart is:
📘 View ExplanationQ2. Which valve prevents backflow from the left ventricle to the left atrium?
📘 View ExplanationQ3. What is the normal heart rate of an adult human?
📘 View ExplanationQ4. Which part of the cardiac conduction system acts as the natural pacemaker?
📘 View ExplanationQ5. What does the P wave in an ECG represent?
📘 View ExplanationQ6. Which vessels carry oxygenated blood from the lungs to the heart?
📘 View ExplanationQ7. Stroke volume refers to:
📘 View ExplanationQ8. Which layer of the heart wall contains cardiac muscle?
📘 View ExplanationQ9. The QRS complex in ECG corresponds to:
📘 View ExplanationQ10. The cardiac output is defined as:
📘 View ExplanationQ11. Which structure prevents blood backflow from the pulmonary artery into the right ventricle?
📘 View ExplanationQ12. The function of the chordae tendineae is to:
📘 View ExplanationQ13. Which vessel is the largest artery in the human body?
📘 View ExplanationQ14. Heart rate variability measures:
📘 View ExplanationQ15. The T wave on an ECG represents:
📘 View ExplanationQ16. Which of the following is a pacemaker cell?
📘 View ExplanationQ17. The term “afterload” refers to:
📘 View ExplanationQ18. The timing between heartbeats is measured by:
📘 View ExplanationQ19. The fastest electrical conduction in the heart occurs in:
📘 View ExplanationQ20. Which heart chamber has the thickest muscular wall?
📘 View ExplanationQ21. The cardioinhibitory center is located in the:
📘 View ExplanationQ22. Which blood vessels connect arteries and veins?
📘 View ExplanationQ23. What is the normal pressure in the left ventricle during systole?
📘 View ExplanationQ24. The phase of the cardiac cycle during which ventricles fill with blood is:
📘 View ExplanationQ25. Which of the following ECG leads records electrical activity between right arm and left arm?
📘 View ExplanationQ26. Which muscle protein is responsible for thick filament in muscle contraction?
📘 View ExplanationQ27. Which wave corresponds to atrial repolarization in ECG?
📘 View ExplanationQ28. The primary pacemaker in the heart is:
📘 View ExplanationQ29. The thickness of the right ventricle wall is approximately:
📘 View ExplanationQ30. Which of the following causes the “lub” sound in the heart?
📘 View ExplanationQ31. The sinoatrial node is located in:
📘 View ExplanationQ32. In the cardiac conduction system, impulse delay occurs in:
📘 View ExplanationQ33. Stroke volume is normally about:
📘 View ExplanationQ34. Which ion channel is mainly responsible for cardiac action potential depolarization?
📘 View ExplanationQ35. The time between two successive heartbeats is called:
📘 View Explanation
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