This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System โ Quiz 61 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 61 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Are tonsils organs? A) No. B) Yes. Show Answer Correct Answer: B) Yes. 2. The function of the circulatory system is to ..... around the body. A) Transport nutrients. B) Transport air. C) Transport blood. D) None of above. Show Answer Correct Answer: C) Transport blood. 3. This element of blood's job is to carry oxygen to all other cells of the body and carry away some waste products. A) White blood cells. B) Plasma. C) Platelets. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 4. When blood is traveling toward the heart, in which of the following would you find it? A) Capillaries. B) Arteries. C) Veins. D) Arterioles. Show Answer Correct Answer: C) Veins. 5. The type of cholesterol associated with plaque build up A) HDL. B) LDL. Show Answer Correct Answer: B) LDL. 6. What is the main function of the systemic circulation? A) Carry blood from the heart to the lungs and back to the heart. B) Carry blood from the heart to all parts of the body. C) Carry carbon dioxide to every cell in the body. D) Carry waste products like carbon dioxide. Show Answer Correct Answer: B) Carry blood from the heart to all parts of the body. 7. Which blood vessel has the smallest diameter? A) Venules. B) Vein. C) Capillary. D) Artery. Show Answer Correct Answer: C) Capillary. 8. These keep blood flowing in one direction. A) Capillaries. B) Veins. C) Valves. D) Arteries. Show Answer Correct Answer: C) Valves. 9. Johnny has a strong family history of heart disease, what can he do to decrease his risk of developing heart disease? A) Weight control. B) Diet low in fat. C) Exercise. D) All of the choices. Show Answer Correct Answer: D) All of the choices. 10. Which of the following fights off germs and diseases? A) Plasma. B) Red Blood Cells. C) White Blood Cells. D) Platelets. Show Answer Correct Answer: C) White Blood Cells. 11. In each side of the heart there is a ..... to prevent blood from retairning back to the atrium A) Red blood cell. B) Valve. C) Ventricle. D) Wall. Show Answer Correct Answer: B) Valve. 12. Cells with nuclei What is the function of eliminating foreign substances that enter the body? A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: C) White blood cells. 13. The circulatory system transports (moves) ..... A) Water. B) Blood. C) Minerals. D) Gas. Show Answer Correct Answer: B) Blood. 14. The heart is made of muscle to ..... A) Break down food. B) Pump blood around the body. C) Remove excess water. D) Give energy to the body. Show Answer Correct Answer: B) Pump blood around the body. 15. All is correct about red blood cells EXCEPT ..... A) They are known as thrombocytes. B) They lack a nucleus. C) They live for a period of 120 days. D) They are formed from the bone marrow. Show Answer Correct Answer: A) They are known as thrombocytes. 16. The valves between the ventricles and the arteries are called: A) Atrioventricular valves. B) Mitral valves. C) Semilunar valves. D) All of them. Show Answer Correct Answer: C) Semilunar valves. 17. The average person breathes about 200 times per minute A) False. B) True. Show Answer Correct Answer: A) False. 18. What part of blood is responsible for carrying wastes, nutrients, and minerals? A) Erythrocytes. B) Leukocytes. C) Thrombocytes. D) Plasma. Show Answer Correct Answer: D) Plasma. 19. ..... blood goes to the heart in the veins. A) Oxygenated (with oxygen). B) Deoxygenated (without oxygen). Show Answer Correct Answer: B) Deoxygenated (without oxygen). 20. Which of the following are the blood vessels that helps blood flow to the heart? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 21. Blood entering the Left Ventricle is: A) Deoxygenated. B) Oxygenated. Show Answer Correct Answer: B) Oxygenated. 22. Which side of the heart has oxygen rich blood? A) Left. B) Right. Show Answer Correct Answer: A) Left. 23. The ..... has the thickest wall because it pumps blood to the ..... A) Left atrium; lungs. B) Right ventricle; lungs. C) Left ventricle; systemic circuit. D) Right atrium; systemic circuit. Show Answer Correct Answer: C) Left ventricle; systemic circuit. 24. What is an arrythmia A) Slow heart heart beat. B) Fast heart beat. C) No heart beat. D) Change in rate and rhythm of the heart. Show Answer Correct Answer: D) Change in rate and rhythm of the heart. 25. What does xylem transport? A) Water and minerals. B) Water only. C) Sugar. D) Food. Show Answer Correct Answer: A) Water and minerals. 26. Veins carry oxygen-poor (deoxygenated) blood back to the heart. A) False. B) True. Show Answer Correct Answer: B) True. 27. Which is not a part of the heart? A) Septal wall. B) Pulmonary valve. C) Coronary artery. D) Sphincter. Show Answer Correct Answer: D) Sphincter. 28. All the following are from the components of the circulatory system except ..... A) Heart. B) Blood vessels. C) Blood. D) Stomach. Show Answer Correct Answer: D) Stomach. 29. When reading blood pressure, the higher number represents ..... blood pressure. A) Diastolic. B) Systolic. C) Mitral. D) Tricuspid. Show Answer Correct Answer: B) Systolic. 30. Oxygen exchange occurs ( $O_2$ $CO_2$ A) Arteries (pulses) [6]. B) Venous Vessels (Back) [6]. C) Capillaries [5]. D) None of above. Show Answer Correct Answer: C) Capillaries [5]. 31. Which part of the blood fights off pathogens like harmful bacteria and viruses? A) White blood cells. B) Platelets. C) Red blood cells. D) Plasma. Show Answer Correct Answer: A) White blood cells. 32. What is the average resting human heart heart rate? A) 72. B) 53. C) 88. D) 100. Show Answer Correct Answer: A) 72. 33. Who could a person with type A blood safely donate blood to? A) Type A blood is not safe to give to any blood type. B) Person with type A blood. C) Person with type B blood. D) Person with type O blood. Show Answer Correct Answer: B) Person with type A blood. 34. The ..... carry blood back to the heart to pick up more oxygen from the lungs. A) Veins. B) Arteries. Show Answer Correct Answer: A) Veins. 35. When a muscle squeezes and tightens it is called a ..... A) Contraction. B) Tear. C) Fracture. D) None of above. Show Answer Correct Answer: A) Contraction. 36. What can you infer about plasma from the fact that it's almost completely clear? A) It contains oxygen. B) It cannot be found in the bloodstream. C) It's mostly made of water. D) It fights infections. Show Answer Correct Answer: C) It's mostly made of water. 37. Blood in the aorta: A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 38. Which of these mechanisms does NOT occur in mouth? A) Mechanical breakdown. B) Swallowing. C) Peristalsis. D) Chemical breakdown. Show Answer Correct Answer: C) Peristalsis. 39. RIGHT part of heart contain A) Oxygenated blood. B) Deoxygenated blood. Show Answer Correct Answer: B) Deoxygenated blood. 40. Pulmonary circulation is A) The blood flow from heart to the body cells and back to the heart. B) The blood flow from heart to the lungs and back to the heart. C) The blood flow from lungs to the heart and then to the body cells. D) The blood flow from the body cells to the lunngs and back to the heart. Show Answer Correct Answer: B) The blood flow from heart to the lungs and back to the heart. 41. An acute injury in which blood flow to the brain is interrupted A) Stroke. B) Heart attack. C) Cancer. D) Arrhythmia. Show Answer Correct Answer: A) Stroke. 42. It takes no more than a ..... for blood to travel through your circulatory system. A) Hour. B) Second. C) Year. D) Minute. Show Answer Correct Answer: D) Minute. 43. What blood disorder is caused by a genetic disorder? A) Pernicious Anemia. B) Hemophilia. C) Cyanosis. D) Hemolytic Anemia. Show Answer Correct Answer: B) Hemophilia. 44. Functionally are like capillariesWall:endothelium with small amount of connective tissue A) Venules. B) Medium veins. C) Large veins. D) None of above. Show Answer Correct Answer: A) Venules. 45. Which blood cell is most important for clotting? A) Platelets. B) Red blood cells. C) Clotters. D) White blood cells. Show Answer Correct Answer: A) Platelets. 46. Which of the following carry blood away from the heart? A) Arteries. B) Lungs. C) Veins. D) Ventricles. Show Answer Correct Answer: A) Arteries. 47. Give one example of how your body's systems work together. A) Our nervous system only works if our body is awake. B) Our muscular system helps push food through our digestive system. C) Our cardiovascular system only works with our blood vessels. D) Our digestive system doesn't work with any other system in our body. Show Answer Correct Answer: B) Our muscular system helps push food through our digestive system. 48. Where does the exchange of gases takes place and blood is oxygenated- A) Lungs. B) Brain. C) Kidney. D) Heart. Show Answer Correct Answer: A) Lungs. 49. Which body structures have walls one cell thick to facilitate the exchange of materials? A) Bronchi. B) Veins. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 50. Which blood vessel carries oxygen poor blood back to the lungs and heart? A) Veins. B) Capillaries. C) Arterioles. D) Arteries. Show Answer Correct Answer: A) Veins. 51. What causes the changes in pressure in the ventricles? A) Opening and closing of atrioventricular valves. B) Opening and closing of semi-lunar valves. C) Contraction and relaxation of muscles in ventricles. D) Contraction and relaxation of ventricles. Show Answer Correct Answer: C) Contraction and relaxation of muscles in ventricles. 52. What is a White Blood Cells job? A) Fights Infectious Diseases. B) Transport Oxygen. C) Clot the Blood. D) None of above. Show Answer Correct Answer: A) Fights Infectious Diseases. 53. The coronary arteries are the first branch off the ..... A) Vena cava. B) Pericardium. C) Aorta. D) Pulmonary arteries. Show Answer Correct Answer: C) Aorta. 54. Double circulation means..... A) Blood flows to lungs twice.in a circulation. Blood flows to the lungs twice in one circulation. B) Blood flows to the heart twice in a circulation. Blood flows to the heart twice in one circulation. C) Blood flows to body organs twice in a circulation. Blood flows twice in one circulation to body parts. D) All the above. เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: B) Blood flows to the heart twice in a circulation. Blood flows to the heart twice in one circulation. 55. Blood flows the slowest (may have multiple answers) A) Alveoli. B) Capillaries. C) Arteries. D) Veins. Show Answer Correct Answer: D) Veins. 56. This is a tube-like pasage used for food, liquid, and air A) Larynx. B) Pharynx. C) Trachea. D) Lungs. Show Answer Correct Answer: B) Pharynx. 57. What part of your blood stops you from bleeding when you get a cut? Plasma A) Plasma. B) Platelets. C) Red blood cells. D) None of above. Show Answer Correct Answer: B) Platelets. 58. What can you infer about carbon dioxide from the fact that your body needs to breathe it out? A) It can be harmful if it builds up in the bloodstream. B) It is delivered to the heart via coronary circulation. C) Without it, the lungs would not be able to function. D) It is necessary for a variety of life processes. Show Answer Correct Answer: A) It can be harmful if it builds up in the bloodstream. 59. What determines if blood types are compatible? A) Membranes. B) Antibodies. C) Agglutinogens. D) Plasma. Show Answer Correct Answer: B) Antibodies. 60. The system responsible for the flow of blood, nutrients oxygen and other gases, as well as hormones to and from cells. A) Circulatory system. B) Platelets. C) Heart. D) Capillaries. Show Answer Correct Answer: A) Circulatory system. โ PreviousNext โRelated QuizzesScience QuizzesGeneral Knowledge QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books