This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 91 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 91 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The artery which supplies Oxygenated blood to the brain A) Pulmonary. B) Carotid. C) Aorta. D) Capillaries. Show Answer Correct Answer: B) Carotid. 2. Which is the vessel that carries low oxygen blood from the heart to the lungs? A) Pulmonary Capillary. B) Pulmonary Vein. C) Superior Vena Cava. D) Pulmonary Artery. Show Answer Correct Answer: D) Pulmonary Artery. 3. Name the disease where arteries have hardened because of plaque. A) Myocardial Infarction. B) High Blood Pressure. C) Arrhythmia. D) Atherosclerosis. Show Answer Correct Answer: D) Atherosclerosis. 4. Arteries transport blood..... A) Back to the heart. B) Away from the heart. Show Answer Correct Answer: B) Away from the heart. 5. How is the Heart placed in our body? A) Slightly downwards. B) Straight in the centre. C) Slightly towards right. D) Slightly towards left. Show Answer Correct Answer: D) Slightly towards left. 6. Which of the following about X are likely to be true? A. It connects Y and Z.B. It transports waste materials to all parts of the body. C. It is a smaller blood vessel than Y and Z. A) A and B only. B) A and C only. C) B and C only. D) A, B and C only. Show Answer Correct Answer: B) A and C only. 7. Human heart consist of how many chambers? A) 6. B) 3. C) 1. D) 4. Show Answer Correct Answer: D) 4. 8. Where is the superior vena cava located? A) Top of the heart. B) Bottom of the heart. Show Answer Correct Answer: A) Top of the heart. 9. The liver removes waste products from the blood. A) True. B) False. Show Answer Correct Answer: A) True. 10. What am I? I am a large vessel that has thick, muscular walls A) Artery. B) Capillary. C) Vein. D) None of above. Show Answer Correct Answer: A) Artery. 11. Cardiovascular means A) Heart's tension. B) Heart & Blood Pressure. C) Cholesterol level. D) Heart & weight. Show Answer Correct Answer: B) Heart & Blood Pressure. 12. What cells produce antibodies? A) Plasma cells. B) Platelets. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: C) White blood cells. 13. Vessels with walls that are one cell thick A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 14. What are blood vessels that connect veins and arteries to the body's cells? A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 15. What will happen to the heart when it is disconnected from the body? A) Continue beating. B) Stop beating. C) Both. D) None. Show Answer Correct Answer: A) Continue beating. 16. ..... is the only vein that carries ..... blood from the ..... to the ..... A) Pulmonary vein, oxygenated, lungs, heart. B) Aorta, deoxygenated, heart, brain. C) Vena cava, oxygenated, heart, lungs. D) Pulmonary vein, deoxygenated, heart, lungs. Show Answer Correct Answer: A) Pulmonary vein, oxygenated, lungs, heart. 17. Which blood vessels carry blood back away from the heart? A) Neurons. B) Veins. C) Xylem. D) Arteries. Show Answer Correct Answer: D) Arteries. 18. What is low blood pressure? A) Fibrillation. B) Hypotension. C) Tachycardia. D) Hypertension. Show Answer Correct Answer: D) Hypertension. 19. What blood gets pushed from the lungs back into the left atrium of the heart via the pulmonary vein? A) Red blood that is oxygen rich. B) Pump the blood. C) Blue blood that is oxygen poor. D) Red and white blood cells. Show Answer Correct Answer: A) Red blood that is oxygen rich. 20. The function of red blood cells is to transport oxygen from the lungs to the body tissues. A) False. B) True. Show Answer Correct Answer: B) True. 21. The heart contain four chambers. Which answer is correct. A) One atrium is in the upper part of the heart, and one is in the lower part of the heart. B) The two ventricles are in the upper part of the heart. C) There are 3 atriums in the upper part of the heart and 1 ventricle in the bottom. D) The 2 atriums are in the upper part of the heart and the 2 ventricles in the bottom. Show Answer Correct Answer: D) The 2 atriums are in the upper part of the heart and the 2 ventricles in the bottom. 22. Responsible for carrying o2 and co2; red blood cells A) Erythrocytes. B) Leukocytes. C) Thrombocytes. D) None of above. Show Answer Correct Answer: A) Erythrocytes. 23. Which part of blood contain haemoglobin? A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: B) Red blood cells. 24. The purpose of valves in the heart is to ..... A) Keep blood in the atria. B) Stop blood from flowing into the ventricles. C) Stop the backflow of blood. D) Allow air from the lungs to get into the blood. Show Answer Correct Answer: C) Stop the backflow of blood. 25. True or False:Arteries carry blood back to the heart. A) False. B) True. Show Answer Correct Answer: A) False. 26. What is the smallest blood vessel? A) Artery. B) Vein. C) Capillary. D) None of above. Show Answer Correct Answer: C) Capillary. 27. How many chambers are in the human heart? A) 9. B) 4. C) 2. D) 10. Show Answer Correct Answer: B) 4. 28. Which of the following organs pump blood throughthe blood vessels A) Lungs. B) Heart. C) Brain. D) Kidney. Show Answer Correct Answer: B) Heart. 29. Thinnest vessels A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 30. The comparison of blood components is..... A) 55% plasma45% blood cells. B) 60% plasma40% blood cells. C) 50% plasma50% blood cells. D) 45% blood cells 55% plasma. Show Answer Correct Answer: A) 55% plasma45% blood cells. 31. Of the following, which is NOT involved in pulmonary circulation? A) Coronary artery. B) Pulmonary vein. C) Left atrium. D) Right ventricle. Show Answer Correct Answer: A) Coronary artery. 32. Is the formation of fat deposits inside of arteries, which causes blood flow to slow down or stop completely A) Strokes. B) Arteriosclerosis. C) Caring for your circulation system. D) Heart attack. Show Answer Correct Answer: B) Arteriosclerosis. 33. Which of the following carries oxygenated blood? A) Vena cava. B) Pulmonary veins. C) Renal vein. D) Pulmonary arteries. Show Answer Correct Answer: B) Pulmonary veins. 34. What is the job (function) of the cranium, or skull? A) Protect the heart. B) Protect the brain. C) Protect the feet. D) None of above. Show Answer Correct Answer: B) Protect the brain. 35. What is the other term for Red Blood Cell (RBC)? A) Fibrin. B) Leukocytes. C) Erythrocytes. D) Thrombocytes. Show Answer Correct Answer: C) Erythrocytes. 36. The left side of the heart is the ..... pump A) Pulmonary. B) Systemic. Show Answer Correct Answer: B) Systemic. 37. Hemoglobin is present in which type of blood cells? A) Red blood cells (erythrocytes). B) White blood cells (leukocytes). C) Plasma. D) Platelets. Show Answer Correct Answer: A) Red blood cells (erythrocytes). 38. Another main function of the respiratory system is to remove ..... gas from the body. This can be toxic to the cells if it is not removed. A) Nitrogen. B) Carbon dioxide. C) Helium. D) Oxygen. Show Answer Correct Answer: B) Carbon dioxide. 39. The dilation of the heart; chambers fill. A) Systole. B) Atrioventricular Node. C) Diastole. D) Sinoatrial Node. Show Answer Correct Answer: C) Diastole. 40. In adults with normal physique While resting, the heart beats approximately how many times/minute? A) 50-60. B) 60-70. C) 90-110. D) 70-80. Show Answer Correct Answer: B) 60-70. 41. Location of the semilunar valve A) Esophagus. B) Lower esophagus. C) Between the auricle and the ventricle. D) Mahatmaani. Show Answer Correct Answer: D) Mahatmaani. 42. Due to atherosclerosis, coronary arteries may become blocked, meaning blood can't get to heart muscle and muscle tissue may begin to die, which is known as ..... A) Pericarditis. B) Aortic Stenosis. C) Cardiac Arrest. D) Ventricular Dissection. Show Answer Correct Answer: C) Cardiac Arrest. 43. The lymphatic system comprises of ....., ....., and ..... A) Lymphatic vessels. B) Lymph nodes. C) Fluid lymph. D) All of these. Show Answer Correct Answer: D) All of these. 44. Heart tissue is cardiac and involuntary. A) False. B) True. Show Answer Correct Answer: B) True. 45. What happens in the capillaries? A) Oxygen is delivered to cells and carbon dioxide is picked up. B) Carbon dioxide is delivered to cell and oxygen is picked up. Show Answer Correct Answer: A) Oxygen is delivered to cells and carbon dioxide is picked up. 46. The scientific name for Red Blood Cells is ..... A) Plasma. B) Thrombocytes. C) Leukocytes. D) Erythrocytes. Show Answer Correct Answer: D) Erythrocytes. 47. The part of the blood that carries oxygen is called ..... (Remember we can't live without our blood-line) A) White blood cells. B) Red blood cells. Show Answer Correct Answer: B) Red blood cells. 48. Veins have special ..... to stop blood from flowing backward. A) Arteries. B) Ventricles. C) Valves. D) Gravity. Show Answer Correct Answer: C) Valves. 49. What chamber of the heart pumps blood to all the cells in your body? A) Right atrium. B) Right ventricle. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: C) Left ventricle. 50. In which type of blood vessel are materials exchanged? A) Arteries. B) Veins & arteries. C) Capillaries. D) Veins. Show Answer Correct Answer: C) Capillaries. 51. The number of times your heart beats in one minute is called your A) Transfusion. B) Pulse. C) Heart rate. D) Heartbeat. Show Answer Correct Answer: C) Heart rate. 52. What is the difference between arteries and veins A) Veins carry blood to the heart, arteries carry it away from the heart. B) Veins carry blood away from the heart, arteries carry it to the heart. Show Answer Correct Answer: A) Veins carry blood to the heart, arteries carry it away from the heart. 53. The relaxation phase of cardiac cycle is called ..... It represents the lower number in reading blood pressure. A) Systolic. B) Capillary. C) Diastolic. D) Aortic. Show Answer Correct Answer: C) Diastolic. 54. The ..... is the body system that transports oxygen, food, and waste through the body. A) Circulatory system. B) Skeletal system. C) Respiratory system. D) Muscular System. Show Answer Correct Answer: A) Circulatory system. 55. Two tubes that split off from the trachea, with one tube doing to each lung A) Bronchi. B) Larynx. C) Diaphragm. D) None of above. Show Answer Correct Answer: A) Bronchi. 56. Transport blood around the body. A) Blood. B) Heart. C) Blood vessels. D) None of above. Show Answer Correct Answer: C) Blood vessels. 57. The heart wall is composed of three layers. The structure of the heart wall that is in direct contact with blood is called..... A) Pericardium. B) Myocardium. C) Epikardium. D) Endocardium. Show Answer Correct Answer: D) Endocardium. 58. Fibrinogen and prothrombin are blood proteins necessary for the clotting of blood. A) True. B) False. Show Answer Correct Answer: A) True. 59. What is the body's transportation system? A) Veins. B) Circulatory system. C) Heart. D) Nervous system. Show Answer Correct Answer: B) Circulatory system. 60. What do lymph nodes house? A) Blue Blood Cells. B) White Blood Cells. C) Yellow Blood Cells. D) Red Blood Cells. Show Answer Correct Answer: B) White Blood Cells. ← PreviousNext →Related 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 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books