Circulatory System Quiz 105 (60 MCQs)

Quiz Instructions

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1. In the diagram, what do the arrows represent?
2. Pressure in the brachial artery when the left ventricle is relaxed and filling with blood.
3. The relaxing phase of the cardiac cycle is called.
4. The heart pumps blood to different parts of the body.
5. Which component of blood fights off infection?
6. Which of the following is not a part of blood?
7. Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
8. In which of the following scenarios does blood have the highest oxygen level?
9. A woman is running in a race. Which of the following statements are true about the woman as she runs? A. Her blood circulates at a higher rate. B. Her body produces less carbon dioxide. C. Her heart beats faster. D. Her body needs more oxygen.
10. These are modified cardiac muscle fibers; Non-contractile and pale staining.
11. CABG-a procedure to assist blood flow to the heart by replacing a vessel or bypassing it to redirect blood flow around an obstruction stands for
12. What travels through your veins?
13. The heart is enclosed in a double layered membranous sac called
14. Which of the following represents the circulatory system?
15. When does the oxygen enter the blood?
16. Which one is NOT a blood type?
17. How many percent is plasma in blood?
18. The circulatory system is made up of blood vessels, What are there?
19. These cells are disc-shaped and carry oxygen to the body.
20. White blood cells that multiply abnormally is called .....
21. The ..... pressure of the cardiovascular system is the force of the blood on the arteries when the ventricles relax.
22. What is NOT true about lymph nodes?
23. Which of the following statements is not true for RBCs?
24. From the right ventricle where does the blood go to?
25. What does the pulmonary vein do?
26. ..... are the site where substances are exchanged between the blood and body cells.
27. When the heart beats the muscle contracts.
28. At the end of an artery, they split into .....
29. Identify the organ
30. Component of blood that fights foreign bodies
31. ..... is the fluid in which different types of cells are suspended
32. The circulation where the flow of blood goes through heart to lungs and back to heart is the
33. Why does the heart beating producing "lub dub" sound?
34. Piercing and sucking type of mouthparts of aphids.....
35. All the other neurons that aren't part of the central nervous system are part of the ..... nervous system
36. Is this statement true or false:There are two loopsin the circulatory system; the first goes to and from the heart visiting thelungs to collect oxygen and get rid of carbon dioxide.The other loop is much larger and goes to and from the heart buttravels all around the body in between.
37. An average resting heart rate ranges from:
38. Which is the blood cell that protects against infections?
39. Inferior is which end of the heart?
40. The right side of your heart pumps blood through your .....
41. How much erythrocytes contains in one drop of blood?
42. Heart, blood vessels and blood help us to .....
43. Which part of the blood helps fight disease?
44. The valve between the left ventricle and aorta is the?
45. William Harvey performed the greatest-ever ..... experiments, giving birth to the science of .....
46. How does the circulatory system contribute to homeostasis?
47. The body's defense against infection from various diseases, including.....
48. These vessels carry blood away from the heart and to the body's cells.
49. The structure that prevents backflow of blood in the heart are known as
50. In which chamber of the heart does oxygenated blood enter from the lungs?
51. Cardiac arrest is caused when the ..... electrical system malfunctions:
52. Blood full of oxygen will be the color
53. Blood in mammals is contains white blood cells (leukocytes) that
54. The following are the three most important parts of circulatory system, EXCEPT ONE.
55. Which type of blood vessel has valves to keep the blood moving in the right direction?
56. Function of left atrium
57. What is the role of platelets in the blood clotting process?
58. Cells use oxygen for energy, and the waste product is .....
59. Patient RF, upon seeing her crush, manifests a heart rate of 120 bpm. This phenomenon is commonly coined as " ..... ".
60. Delivers oxygen to your body cells.