1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Heart Blood Vessels Control of the Heart Heart Diseases Random Heart Questions

2. What are the sounds of the heart caused by?

3. Closing of the valves

4. What are the chambers called that receive blood?

5. Atrium

6. What does a EKG measure?

7. The electric activity of the heart.

8. How is cardiac output measured?

9. Stroke volume or Heart rate

10. What is the bulk of the heart made up of?

11. Myocardium

12. Which blood vessels have the lowest blood pressure?

13. Vena Cava

14. Which blood vessels contain one way valves?

15. Veins

16. Why are arteries thicker than veins?

17. To handle the higher blood pressure.

18. How is blood flow through the capillaries controlled?

19. By the precapillary sphincter and CO2 levels.

20. Which veins carry oxygenated blood?

21. Pulmanory Veins

22. What does SA node stand for?

23. Sinoatrial node

24. Which cluster of cells are known as the “pace maker” for the heart?

25. Sinoatrial node

26. What hormones increase the heart rate and comes from the adrenal gland?

27. Epinephrine

28. Which hormone decrease blood pressure by stimulating loss of water by excreting sodium?

29. Atrial natriuretic factor

30. Which receptors are present in the major blood vessels that detect changes in blood pressure?

31. Barorecptors

32. What is an aneurysm?

33. Bulging of an arterial wall.

34. What is it called when your heart races up to 300 BPM?

35. Heart Flutter

36. What is hardening of the arteries also known as?

37. Arteriosclerosis

38. What is elevated blood pressure known as?

39. Hypertension

40. What is a leaky valve called?

41. Heart Murmur

42. The AV valve between the left atrium and ventrical?

43. Bicuspid or Mitral valve

44. What are the blood vessels called that go to and from the kidneys?

45. Renal

46. The name the nerve from the medulla oblongata that regulates the heart?

47. Vagus

48. What effects cardiac output?

49. Stroke volume and heart rate

50. The only artery to carry deoxygenated blood?

51. Pulmonary Artery