Human Anatomy & Physiology
Sample Quiz
The Heart
Questions 1 through 16 use numbers from the following diagram.
Answers may be used more than once.
1. Chamber containing AV node.
2. Chamber containing the heart's pacemaker.
3. Valve which closes to prevent backflow of deoxygenated blood to atrium.
4. Valve which closes to prevent backflow of oxygenated blood to ventricle.
5. Vessel which carries blood to the lungs.
6. Vessel which leads to the systemic arteries
7. Left Ventricle
8. right ventricle
9. Left atrium
10. Right atrium
11. Bicuspid valve
12. Mitral valve
13. Chordae tendineae
14. Pulmonary semilunar valve
15. Aorta
16. Superior vena cava
17. The event which causes #3 above is:
a) ventricular systole, b) ventricular diastole, c) atrial systole, d) atrial diastole.
18. The event which causes #4 is:
a) ventricular systole, b) ventricular diastole, c) atrial systole, d) atrial diastole.
Questions 19-23 apply to the following components of the heart's conduction system:
a) atrial myocardium, b) SA node, c)AV node, d) Bundle of His, e) Purkinje fibers,
f) ventricular myocardium, g) a and b only, h) all except a and b.
19. The P wave of the ECG represents depolarization of the:
20. The QRS complex corresponds to electrical activity in which of the above components?
21. The R wave represents depolarization of the:
22. The T wave Irepresents repolarization of the:
23. In which order does impulse conduction progress along the conduction system?
a) a, b, c, d, e, f.
b) b, a, c, d, e, f.
c) c, b, a, d, e, f.
d) c, b, a, e, d, f.
24. The isovolumetric contraction phase occurs during:
a) early systole, b) late diastole, c) late systole, d) the quiescent period.
25. The isovolumetric contraction phase occurs a) before, b) after, ventricular ejection.
26. EDV - ESV =
a) ejection fraction, b) stroke volume, c) minute volume, d) blood volume.
| See Answers Below |
The Answers
1. 2,
2. 2,
3. 12,
4. 14,
5. 3,
6. 4,
7. 10,
8. 11,
9. 6,
10. 2,
11. 7,
12. 7,
13. 8,
14. 13,
15. 4,
16. 1
17. A,
18. B,
19. G,
20. H,
21. F,
22. F,
23. B,
24. A,
25. A,
26. B.