This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 70 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 70 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What blood type is the "universal donor" meaning they can give blood to anyone? A) Type A. B) Type O. C) Type B. D) Type AB. Show Answer Correct Answer: B) Type O. 2. What is label "3" ? A) Inferior vena cava. B) Aorta. C) Left atrium. D) Left ventricle. E) Right atrium. Show Answer Correct Answer: C) Left atrium. 3. Buildup of fat deposits on the artery walls A) Atherosclerosis. B) Pulmonary artery. C) Coronary artery. D) Heart attack. Show Answer Correct Answer: A) Atherosclerosis. 4. The right side of the heart pumps blood through the pulmonary circuit to/from the ..... A) Kidneys. B) Brain. C) Lungs. D) Heart. Show Answer Correct Answer: C) Lungs. 5. What is the largest artery that comes from the heart? A) Quadriceps. B) Aorta. C) Vena Cava. D) Lungs. Show Answer Correct Answer: B) Aorta. 6. What is blood pressure? A) Blood pressure is the force of blood against the walls of the arteries as the heart pumps it around the body. B) Blood pressure is the temperature of the blood. C) Blood pressure is the speed at which blood flows through the veins. D) Blood pressure is the amount of blood in the body. Show Answer Correct Answer: A) Blood pressure is the force of blood against the walls of the arteries as the heart pumps it around the body. 7. ..... blood group is called the universal donor A) O. B) B. C) A. D) AB. Show Answer Correct Answer: A) O. 8. What are antigens? A) White blood cells. B) Red blood cells. C) Proteins embedded in the surface of a cell. D) Foreign substances in the blood. Show Answer Correct Answer: C) Proteins embedded in the surface of a cell. 9. The double circulatory system is advantageous for active animals since, while in the single circulatory system the blood pressure is limited by the delicate nature of the tiny capillaries in the gills, in the double circulatory system the blood pressure can be high in the systemic circuit while remaining low and safe in the pulmonary circuit. A) True. B) False. Show Answer Correct Answer: A) True. 10. Which of the following components of blood is responsible for fighting off pathogens and antigens? A) Platelets. B) Leukocytes. C) Erythrocytes. D) Plasma. Show Answer Correct Answer: B) Leukocytes. 11. The part of blood that fights disease is ..... A) White blood cells. B) Platelets. C) Red blood cells. D) Plasma. Show Answer Correct Answer: A) White blood cells. 12. The smaller of the heart chambers are the ..... A) Valves. B) Ventricles. C) Iron. D) Atria. Show Answer Correct Answer: D) Atria. 13. Blood types are determined by the presence or absence of ..... on your red blood cells. A) PLASMA PROTEINS. B) ANTIGENS. C) ANTIBODIES. D) PLATELETS. Show Answer Correct Answer: B) ANTIGENS. 14. Letter I is known as the A) Right Atrium. B) Right Ventricle. C) Left Ventricle. D) Left Atrium. Show Answer Correct Answer: D) Left Atrium. 15. Which way does the blood flow through arteries? A) Into the heart. B) Away from the heart. Show Answer Correct Answer: B) Away from the heart. 16. The heart is a ..... muscular organ. A) Strong solid. B) Strong hollow. C) Weak hollow. D) Weak solid. Show Answer Correct Answer: B) Strong hollow. 17. Where does the exchange of oxygen and nutrients take place in the circulatory system? A) Lungs. B) Arteries. C) Capillaries. D) Veins. Show Answer Correct Answer: C) Capillaries. 18. Which of the following accurately defines blood pressure? A) Force exerted by blood on walls of arteries. B) Speed at which the heart beats. C) Rhythmic dilation of an artery. D) Proportion of blood components. Show Answer Correct Answer: A) Force exerted by blood on walls of arteries. 19. What vein or artery pumps blood to the legs A) Aorta. B) Superior vena cava. C) Inferior vena cava. D) None of above. Show Answer Correct Answer: C) Inferior vena cava. 20. What are the main 4 organs for the circulatory system A) Platelets, veins, capillaries, arteries. B) Heart, plasma, valve, vein. C) Vena cava, Aorta, ventricle, Valve. D) Heart, Artery, Capillaries, vein. Show Answer Correct Answer: D) Heart, Artery, Capillaries, vein. 21. The heart has ..... chambers A) 3. B) 4. C) 2. D) 6. Show Answer Correct Answer: B) 4. 22. The type of blood vessel where exchange of gases, nutrients, and wastes occurs? A) Arteries. B) Veins. C) Capillaries. D) No correct answer. Show Answer Correct Answer: C) Capillaries. 23. What would happen if blood volume drops significantly? A) An increase in blood viscosity. B) A decrease in blood pressure. C) A decrease in blood pH. D) An increase in blood oxygen. Show Answer Correct Answer: B) A decrease in blood pressure. 24. Which of the following is NOT found within human blood? A) Red Blood Cells. B) White Blood Cells. C) Tendons. D) Platelets. Show Answer Correct Answer: C) Tendons. 25. Which explains what happens during exercise? A) Your body uses oxygen initially but eventually switches over to fermentation. B) Your body does fermentation initially but eventually switches over to respiration. C) Your body does photosynthesis initially but eventually switches over to cellular respiration. D) Your body does cellular respiration initially but eventually switches over to photosynthesis. Show Answer Correct Answer: A) Your body uses oxygen initially but eventually switches over to fermentation. 26. Helps fight disease and infection A) Platelets. B) Plasma. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: C) White blood cells. 27. Name the system the heart is part of. A) Nervous. B) Excretory. C) Circulatory. D) Digestive. Show Answer Correct Answer: C) Circulatory. 28. The animal transport system consists of: A) A fluid medium to transport substances (the Blood) A pump to push the fluid around the body Specialised exchange surfaces. B) A fluid medium to transport substances (the Blood) A pump to push the fluid around the body. C) A pump to push the fluid around the body Specialised exchange surfaces. D) A fluid medium to transport substances (the Blood). Show Answer Correct Answer: A) A fluid medium to transport substances (the Blood) A pump to push the fluid around the body Specialised exchange surfaces. 29. Cancer that affects bone marrow function A) Hemophilia. B) Glioblastoma. C) Leukemia. D) Lymphoma. Show Answer Correct Answer: C) Leukemia. 30. Evelyn, Mia, and Charlotte are studying biology. They are discussing the circulatory system. Can you help them understand what the circulatory system is? A) A system that circulates food throughout the body. B) A system that circulates blood throughout the body. C) A system that circulates air throughout the body. D) A system that circulates waste throughout the body. Show Answer Correct Answer: B) A system that circulates blood throughout the body. 31. What's located in your right atrium and keeps your heart beating? A) Aorta. B) Septum. C) Pacemaker. D) None of above. Show Answer Correct Answer: C) Pacemaker. 32. What type of circulation moves blood throughout the different parts of the heart? A) Pulmonary. B) Coronary. C) Systemic. D) None of above. Show Answer Correct Answer: B) Coronary. 33. The part of the lungs where gas exchange occurs is/are called. A) Bronchioles. B) Trachea. C) Alveoli. D) Bronchi. Show Answer Correct Answer: C) Alveoli. 34. Blood vessels returning blood to the heart are called ..... A) Epiglottis. B) Artery. C) Capillary. D) Vein. Show Answer Correct Answer: D) Vein. 35. The average pulse rate of an adult human being is A) 82/min. B) 92/min. C) 72/min. D) 62/min. Show Answer Correct Answer: C) 72/min. 36. What is the largest artery in the human body? A) Arteries. B) Veins. C) Aorta. D) Lung. Show Answer Correct Answer: C) Aorta. 37. The smallest blood vessels in humans are called A) Capillaries. B) Veins. C) Arterioles. D) Xylem. Show Answer Correct Answer: A) Capillaries. 38. Are the ducts that carry the blood coming out of the heart to the lungs and whole body A) Heart. B) Arteries. C) Veins. D) Capillaries. E) Circulatory system and its parts. Show Answer Correct Answer: B) Arteries. 39. The heart is a hollow organ that has walls made of strong ..... A) Skin. B) Blood. C) Muscle. D) Cartilage. Show Answer Correct Answer: C) Muscle. 40. What vocabulary word means the largest artery in the body? A) Aorta. B) Vein. C) Artery. D) Capillary. Show Answer Correct Answer: A) Aorta. 41. Red blood cells are ..... % of blood in the body A) <1. B) <1. C) 45. D) 55. Show Answer Correct Answer: C) 45. 42. The lungs is covered with a thin epithelium called A) Alveoli. B) Pleura. C) Mucous membrane. D) Red blood cells. Show Answer Correct Answer: B) Pleura. 43. Right ventricle pumps blood to the (BLANK) A) Brain. B) Stomach. C) Heart. D) Lungs. Show Answer Correct Answer: D) Lungs. 44. The left side does more work in that it has to push blood throughout the entire body whereas the right side just pumps blood to the lungs. A) False. B) True. Show Answer Correct Answer: B) True. 45. The QRS complex indicates? A) Atrial depolarization (contraction). B) Bradycardia. C) Left ventricle. D) Ventricle depolarization. Show Answer Correct Answer: D) Ventricle depolarization. 46. The circulation of blood from the heart, to the body, then back to the heart is known as: A) Aortic circulation. B) Capillary bed circulation. C) Systemic circulation. D) Pulmonary circulation. Show Answer Correct Answer: C) Systemic circulation. 47. All of the following are unavoidable risk factors for cardiovascular disease EXCEPT A) Heredity. B) Age. C) Hypertension. D) Gender. Show Answer Correct Answer: C) Hypertension. 48. Eat healthy and balanced food that is low in ..... A) Water and salt. B) Fat and salt. C) Protein and salt. D) Fat and carbohydrates. Show Answer Correct Answer: B) Fat and salt. 49. Also known as Leukocytes A) Red blood cell. B) White blood cell. C) Plasma. D) Platelets. Show Answer Correct Answer: B) White blood cell. 50. What carries the oxygenated blood from the lungs to the left atrium of the heart? A) Vena cava. B) Pulmonary vein. C) Aorta. D) Pulmonary artery. Show Answer Correct Answer: B) Pulmonary vein. 51. Calculate the maximum heart rate of a 45 year old A) 176bpm. B) 174bpm. C) 175bpm. D) 173ppm. Show Answer Correct Answer: C) 175bpm. 52. The fluid that escapes from the blood capillaries and surrounds the cells is called ..... A) Plasma. B) Tissue fluid. C) Serum. D) Blood. Show Answer Correct Answer: B) Tissue fluid. 53. On each trip around the body, blood passes through your heart twice.Explain why. A) The heart pumps blood to the lungs to collect oxygen. B) This blood returns to the heart to be pumped to every other part of the body. C) Both are true. D) Both are false. Show Answer Correct Answer: C) Both are true. 54. Felt to find pulse (may have multiple answers) A) Arteries. B) Alveoli. C) Capillaries. D) Veins. Show Answer Correct Answer: A) Arteries. 55. I am the thinnest Blood vessel. Who am I? A) Artery. B) Capillary. C) Veins. D) I don't know (Really). Show Answer Correct Answer: B) Capillary. 56. Which of the following is in the lower chambers of the heart? A) Atrium. B) Ventricles. Show Answer Correct Answer: B) Ventricles. 57. Which of the following is affected by the respiratory system? A) Yawning. B) Hiccups. C) Sneezing. D) All of these. Show Answer Correct Answer: D) All of these. 58. A type of blood circulatory system in which heart acts a pump, pushes and receives the blood from whole body through blood vessels. A) Vascular System. B) Double Circulation system. C) Closed vascular system. D) Open vascular system. Show Answer Correct Answer: C) Closed vascular system. 59. Where do red blood cells start developing? A) Bones. B) Lungs. C) Bone marrow. D) Muscle. Show Answer Correct Answer: C) Bone marrow. 60. WHich of the following sequence is a systemic circulation pathway? A) Right atrium-right ventricle-aorta-veins-left ventricle. B) Left atrium-left ventricle-aorta-tissues-left atrium. C) Left atrium-left ventricle-aorta-arteries-veins-right atrium. D) Right atrium-left ventricle-aorta-tissue-left ventricle. Show Answer Correct Answer: C) Left atrium-left ventricle-aorta-arteries-veins-right atrium. ← 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