This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 198 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 198 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following causes a pulse? A) The movement of the heart pumps blood to the veins. B) The movement of the heart pumps blood to the arteries. C) The movement of the heart pumps blood into the capillaries. D) The movement of the heart pumps blood to the lungs. Show Answer Correct Answer: B) The movement of the heart pumps blood to the arteries. 2. The liquid that about 55% of blood is made from this. A) Red Blood Cells. B) Platelets. C) Plasma. D) None of above. Show Answer Correct Answer: C) Plasma. 3. This gas is carried by the blood in the arteries and is used by cells in cellular respiration. A) Oxygen. B) Carbon dioxide. C) Hydrogen. D) Nitrogen. Show Answer Correct Answer: A) Oxygen. 4. The vein that carries blood from the lungs to the left atrium A) Atrium. B) Ventricle. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: D) Pulmonary vein. 5. Name one blood vessel. A) Skin. B) Eyes. C) Artery. D) Nerves. Show Answer Correct Answer: C) Artery. 6. Left side receives oxygenated blood from the ..... and pumps it into the body. A) Chest. B) Lungs. C) Heart. D) Brain. Show Answer Correct Answer: B) Lungs. 7. Plasma is the fluid that carries the WBC, RBC and fuzz in the blood A) False. B) True. Show Answer Correct Answer: A) False. 8. Which blood type can give blood to any person? A) A. B) B. C) O. D) None of above. Show Answer Correct Answer: C) O. 9. This variable in an experiment is the one being changed by the scientist. A) Control group. B) Control variable. C) Dependent variable. D) Independent variable. Show Answer Correct Answer: D) Independent variable. 10. What is the function of the part labeled with A? A) Transport deoxygenated blood to the lungs. B) Transport deoxygenated blood to the heart. C) Transport oxygenated blood to the lungs. D) Transport oxygenated blood to the heart. Show Answer Correct Answer: A) Transport deoxygenated blood to the lungs. 11. Cell fragments that form from the rupture of a megakaryocyte are called ..... A) Erythrocytes. B) Platelets. C) Leukocytes. D) Plasma. Show Answer Correct Answer: B) Platelets. 12. If your pulse rate increases, your heart is beating? A) Faster than before. B) With less pressure than before. C) Slower than before. D) As the same rate as before. Show Answer Correct Answer: A) Faster than before. 13. Which blood type is the universal recipient? ( this means they can receive any type of blood safely ) A) Type AB. B) Type O. C) Type B. D) Type A. Show Answer Correct Answer: A) Type AB. 14. Chamber of heart that receives oxygenated blood from the lungs A) Right ventricle. B) Right atrium. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: D) Left atrium. 15. What is the function of blood? A) To heal wounds. B) Carry gas, nutrients, and wastes through the body. C) Carry oxygen from the lungs to the heart. D) Fight off diseases. Show Answer Correct Answer: B) Carry gas, nutrients, and wastes through the body. 16. Diapedesis is..... A) The ability to penetrate beyond the pores of the capillary membrane and into the tissue. B) The ability to penetrate the pores of the capillary membrane and enter the tissue. Show Answer Correct Answer: A) The ability to penetrate beyond the pores of the capillary membrane and into the tissue. 17. Chamber which pumps deoxygenated blood A) Right atrium. B) Left atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: D) Right ventricle. 18. The blood protein that helps to maintain water in the blood is called A) Albumin. B) Hemoglobin. C) Fibrinogen. D) Globulin. Show Answer Correct Answer: A) Albumin. 19. State the precise location of the SA node in the heart A) Right Ventricle. B) Left Ventricle. C) Top Wall of Left Atrium. D) Top Wall of Right Atrium. Show Answer Correct Answer: D) Top Wall of Right Atrium. 20. True or False:Unicellular organisms have an open circulatory system. A) False. B) True. Show Answer Correct Answer: A) False. 21. Which of the following is the top portion of the heart A) Atrium. B) Artery. C) Vein. D) Ventricle. Show Answer Correct Answer: A) Atrium. 22. Which component of blood is involved in helping blood clot? A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: D) Platelets. 23. What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest? A) The paper used. B) The type of paper airplane. C) How hard the plane is thrown. D) The distance of each plane's flight. Show Answer Correct Answer: B) The type of paper airplane. 24. ..... help form clots to stop bleeding. A) Plasma. B) Platelets. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: B) Platelets. 25. What happens during gas exchange in the lungs? A) Oxygen passes into the blood and carbon dioxide passes out of the blood. B) Oxygen passes out of the blood and carbon dioxide passes into the blood. C) Oxygen and carbon dioxide pass into the blood. D) None of above. Show Answer Correct Answer: A) Oxygen passes into the blood and carbon dioxide passes out of the blood. 26. Which of the following are tubes that serve as passageways for blood to reach the different parts of the body? A) Esophagus. B) Blood cells. C) Blush vessels. D) Bronchi. Show Answer Correct Answer: C) Blush vessels. 27. The 3 tubes that make up the "roadway" for blood to travel are ..... A) Veins, arteries, capillaries. B) Veins, arteries, platelets. C) Red blood cells, white blood cells, and plasma. D) Veins, capillaries. Show Answer Correct Answer: B) Veins, arteries, platelets. 28. A ..... is an ordered arrangement of animals and plants in which each feeds on the one below it. A) Ecosystem. B) Consumer. C) Food Web. D) Food Chain. Show Answer Correct Answer: D) Food Chain. 29. Which organ system in humans is most directly involved in the transport of oxygen? A) Circulatory. B) Nervous. C) Digestive. D) Excretory. Show Answer Correct Answer: A) Circulatory. 30. What parts of the heart keeps blood flowing in one direction? A) Right ventricle. B) Right atrium. C) Valves. D) Septum. Show Answer Correct Answer: C) Valves. 31. Leukocytes are in..... A) Blood plasma. B) Blood cells. Show Answer Correct Answer: B) Blood cells. 32. The muscular tissue of your heart, known as ....., is what contracts to pump blood through the circulatory system. A) Endocardium. B) Endothelium. C) Epicardium. D) Myocardium. Show Answer Correct Answer: D) Myocardium. 33. Which blood group are known as universal donors? A) A. B) O. C) AB. D) B. Show Answer Correct Answer: B) O. 34. Pus is composed of A) Neutrophils, eosinophils and basophils. B) Bacteria, white blood cells and damaged cells. C) Mucus, sputum and platelets. D) Water, serum and fibers. Show Answer Correct Answer: B) Bacteria, white blood cells and damaged cells. 35. What is the heart valve that separates the upper and lower chambers? A) SV valve. B) VA valve. C) AV valve. D) AS valve. Show Answer Correct Answer: C) AV valve. 36. The heart usually beats ..... times per minute. A) 70-120. B) 60-100. C) 40-100. D) 50-90. Show Answer Correct Answer: B) 60-100. 37. What are the tubes called that carry blood away from the heart under high pressure? A) Veins. B) Capillaries. C) Bronchi. D) Arteries. Show Answer Correct Answer: D) Arteries. 38. Cholesterol is harmful for your body because it clogs your ..... A) Ventricles. B) Arteries. C) Platelets. D) None of above. Show Answer Correct Answer: B) Arteries. 39. When food is broken down by enzymes or acid, ..... digestion is taking place. A) Emotional. B) Chemical. C) Mechanical. D) Mental. Show Answer Correct Answer: B) Chemical. 40. What are the upstair chambers of the heart called? A) Nerves. B) Septum. C) Ventricles. D) Atriums. Show Answer Correct Answer: D) Atriums. 41. Passageway into the respiratory system that helps to warm and filter air A) Lungs. B) Skin. C) Nose and mouth. D) None of above. Show Answer Correct Answer: C) Nose and mouth. 42. What is found around alveoli? A) Pleura. B) Capillaries. C) Lymphatic nodes. D) Saliva. Show Answer Correct Answer: B) Capillaries. 43. Which valve separates the right atrium from the pulmonary artery? A) Tricuspid Valve. B) Pulmonary Valve. C) Mitral Valve. D) Aortic Valve. Show Answer Correct Answer: B) Pulmonary Valve. 44. After the exchange of materials in the lungs, the blood containing fresh ..... flows into the left atrium. A) Oxygen. B) Ill. C) Nutrients. D) Iron. Show Answer Correct Answer: A) Oxygen. 45. Which system carries needed materials to the body cells and carries wastes away from the body cells? A) Excretory. B) Digestive. C) Nervous. D) Circulatory. Show Answer Correct Answer: D) Circulatory. 46. Which is not a component of the cardiovascular system A) Heart. B) Blood. C) Blood vessels. D) Brain. Show Answer Correct Answer: D) Brain. 47. What carries needed substances to the body cells? A) Blood. B) Small intestines. C) Liver. D) Platelets. Show Answer Correct Answer: A) Blood. 48. The average amount of haemoglobin in females is 12mg/dl of blood. A) True. B) False. Show Answer Correct Answer: A) True. 49. This is the major vein that returns blood form the arms and head to the heart A) Pulmonary Vein. B) Aorta. C) Inferior Vena Cava. D) Superior Vena Cava. Show Answer Correct Answer: D) Superior Vena Cava. 50. The types of blood group are A) A, B, AB, O. B) A, o, D. C) AB, H, B, O. D) None of above. Show Answer Correct Answer: A) A, B, AB, O. 51. The SA node initiates the first electrical impulse in the heart, which will eventually cause the heart to contract, what is the unofficial "nickname" of the SA node? A) The electric starter. B) The heart starter. C) The pace maker. D) The beat keeper. Show Answer Correct Answer: C) The pace maker. 52. Whose job is it to give oxygen and nutrients to cells, while taking away carbon dioxide and waste? A) White blood cells platelets white blood cells. B) Platelets. C) Red blood cells. D) Plasma. Show Answer Correct Answer: C) Red blood cells. 53. Name of the valve that separates right atrium from right ventricle. A) Tricuspid. B) Aortic. C) Mitral. D) None of above. Show Answer Correct Answer: A) Tricuspid. 54. The blood vessels that bring blood in toward the heart A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 55. This skeletal system provides ..... for the body. A) Structure. B) Protection. C) Mucus. D) Warmth. Show Answer Correct Answer: A) Structure. 56. What causes blood to clot? A) Red blood cells. B) Platelets. C) White blood cells. D) Plasma. Show Answer Correct Answer: B) Platelets. 57. What is the function of the excretory system? A) Transport blood throughout the body. B) Rid the body of toxins and waste. C) Transport oxygen into the blood cells. D) Structure and body movements. Show Answer Correct Answer: B) Rid the body of toxins and waste. 58. A child was admitted to the emergency department with a nosebleed. He was treated by injecting the clotting factor. What was the child's diagnosis? A) Anemia. B) Leukemia. C) Septicemia. D) Hemophilia. Show Answer Correct Answer: D) Hemophilia. 59. The strong muscular wall separating the left side of the heart from the right side is called the ..... A) Septum. B) Vena Cava. C) Pancreas. D) Aorta. Show Answer Correct Answer: A) Septum. 60. Arteries carry blood ....., veins carry blood ..... A) Back to the heart, away from the heart. B) Away from the heart, back to the heart. Show Answer Correct Answer: B) Away from the heart, back to the heart. ← 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