This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 135 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 135 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The pulmonary circuit A) Sends oxygen poor blood to the heart. B) Sends oxygen poor blood to the lungs. C) Sends oxygen poor blood to the tissues. D) Brings oxygen rich blood from the tissues. Show Answer Correct Answer: B) Sends oxygen poor blood to the lungs. 2. This type of blood cell helps the body fight infection and disease. A) Red blood cells. B) Platelets. C) White blood cells. D) Plasma. Show Answer Correct Answer: C) White blood cells. 3. What is the bottom or point of the heart? A) Vertex. B) Summit. C) Apex. D) Septum. Show Answer Correct Answer: C) Apex. 4. This is the only artery that carries unoxygenated blood away from the heart. A) Superior Vena Cava. B) Pulmonary Trunk. C) Inferior Vena Cava. D) Aorta. Show Answer Correct Answer: B) Pulmonary Trunk. 5. Which chambers send blood? A) Arteries. B) Ventricles. C) Atria. D) None of the above. Show Answer Correct Answer: B) Ventricles. 6. Aorta is the largest of these: A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 7. The process that we use to stop bleeding A) Agglutination. B) Hemopoiesis. C) Hematocrit. D) Hemostasis. Show Answer Correct Answer: D) Hemostasis. 8. Pulmonary circulation pathway is ..... A) Left ventricle all parts of the body right atrium. B) Right atrium all parts of the body left ventricle. C) Right ventricle lungs left atrium. D) Left atrium lungs right ventricle. Show Answer Correct Answer: C) Right ventricle lungs left atrium. 9. Where do red blood cells take oxygen? A) Lungs. B) Heart. C) Kidney. D) Liver. Show Answer Correct Answer: A) Lungs. 10. Because the pressure leaving the capillaries, then entering the venules, and finally the veins is so low, many veins have ..... to help keep the blood from flowing backward. A) Valves. B) Lungs. C) Capillaries. D) Aorta. Show Answer Correct Answer: A) Valves. 11. Our blood may just look like it is red liquid, but it is actually made up of lots of different things. What do you think it is made up of? A) Only red cells. B) Red cells and white cells. C) Red cells, white cells, and platelets. D) Water only. Show Answer Correct Answer: C) Red cells, white cells, and platelets. 12. Which structure warms, humidifies, and filters the air as it passes through? A) Nasal cavity. B) Larynx. C) Trachea. D) Pharynx. Show Answer Correct Answer: A) Nasal cavity. 13. Supplies blood to all the cells of the heart. A) Systemic circulation. B) Coronary circulation. C) Pulmonary circulation. D) None of above. Show Answer Correct Answer: B) Coronary circulation. 14. Which one is not transported in the blood plasma A) Heat. B) Hormones. C) Oxygen. D) Glucose. Show Answer Correct Answer: C) Oxygen. 15. What is an other word for windpipe? A) Larynx. B) Tarchea. C) Oesophagus. D) Diaphragm. Show Answer Correct Answer: B) Tarchea. 16. The nodes in the myelin sheath are known as the A) Nodes of Rescue. B) Nodes of Axon. C) Nodes of Ranvier. D) Dendrites. Show Answer Correct Answer: C) Nodes of Ranvier. 17. What part of the hemoglobin molecule is responsible for attracting Oxygen? A) Calcium. B) Carbon dioxide. C) Magnesium. D) Iron. Show Answer Correct Answer: D) Iron. 18. What are the tiny white cords named that help anchor the flaps (valves) to the wall of the heart? A) Chordea tendinea. B) Fibrous pericardium. C) Myocardium. D) Endocardium. Show Answer Correct Answer: A) Chordea tendinea. 19. The universal recipient blood group is A) B. B) AB. C) A. D) O. Show Answer Correct Answer: B) AB. 20. What types of circulatory systems do amphibians have? A) Open & incomplete. B) Open & complete. C) Closed & incomplete. D) Closed & complete. Show Answer Correct Answer: C) Closed & incomplete. 21. A student feels that his body is always weak, tired, lethargic, and looks pale. After laboratory tests, the Hb level in his blood was very low. The student was diagnosed as suffering from..... A) Hemofilia. B) Anemia. C) Leukemia. D) Trombus. E) Embolus. Show Answer Correct Answer: B) Anemia. 22. ..... carry oxygen away from the heart to the body. A) Veins. B) Lungs. C) Arteries. D) Heart. Show Answer Correct Answer: C) Arteries. 23. A decrease in a blood vessel's internal diameter, causing a decrease in blood flow- A) Vasoconstriction. B) Systolic pressure. C) Diastolic pressure. D) Vasodilation. Show Answer Correct Answer: A) Vasoconstriction. 24. The instrument used to measure heart rate is the A) Catheter. B) Sphygmomanometer. C) Stethoscope. D) Angioplasty. Show Answer Correct Answer: C) Stethoscope. 25. The main function of a white blood cell is: A) Protection. B) Carry oxygen. C) Clotting. D) Remove waste. Show Answer Correct Answer: A) Protection. 26. CHOOSE THE IMPORTANT ORGAN OF OUR BODY. A) BLOOD VESSELS. B) VEIN. C) HEART. D) BLOOD CELLS. E) ARTERY. Show Answer Correct Answer: C) HEART. 27. Which is true of active transport? A) Does not use energy. B) Is a type of facilitated diffusion. C) Moves a substance from an area of high concentration to areas of low concentration. D) Occurs in the muscle and nerve cells. Show Answer Correct Answer: D) Occurs in the muscle and nerve cells. 28. Valves of the Heart:between the RA and RV A) Tricuspid valve. B) Bicuspid or Mitral Valve. C) Aortic valve. D) None of above. Show Answer Correct Answer: A) Tricuspid valve. 29. What is the force that blood puts on the walls of the vessels called? A) Blood pressure. B) Pulse. C) Hemoglobin. D) Plasma. Show Answer Correct Answer: A) Blood pressure. 30. Abnormal decrease in number of RBC is- A) Polycythaemia. B) Leukemia. C) Leukopenia. D) Erythropenia. Show Answer Correct Answer: D) Erythropenia. 31. The fancy name for what gives blood its red colour. A) Leukocytes. B) Hemoglobin. C) Erythrocytes. D) Plasma. Show Answer Correct Answer: B) Hemoglobin. 32. True or False:The circulatory system helps regulate body temperature A) Talk. B) True. Show Answer Correct Answer: B) True. 33. 'Angina' is a condition in which A) There is cholesterol build up in the walls of arteries. B) There is an oversupply of oxygen to the heart muscle. C) There is a lack of oxygen to the heart muscle. D) The heart stops beating immediately. Show Answer Correct Answer: C) There is a lack of oxygen to the heart muscle. 34. Blood moves by the muscles contracting in ..... A) Capillaries. B) Arteries. C) Arteries and Veins. D) Veins. Show Answer Correct Answer: C) Arteries and Veins. 35. What are the ventricles? A) Top right chamber of the heart. B) Lower chambers of the heart. C) Upper chambers of the heart. D) Bottom left chamber of the heart. Show Answer Correct Answer: B) Lower chambers of the heart. 36. A blood transfusion is when ..... A) Someone gives blood to someone else. B) Someone's blood transforms into a different type. C) The antibodies of one blood type attack the antigens of another. D) None of above. Show Answer Correct Answer: A) Someone gives blood to someone else. 37. Which of the following blood vessels/heart chambers contains blood that has more carbon dioxide? A) Aorta. B) Left Atrium. C) Superior Vena Cava. D) Pulmonary Vein. E) Left Ventricle. Show Answer Correct Answer: C) Superior Vena Cava. 38. The job of the ..... is to fight infection A) White blood cell. B) Red blood cell. C) Platelets. D) Plasma. Show Answer Correct Answer: A) White blood cell. 39. The smallest blood vessels are the ..... A) Capillaries. B) Arteries. C) Veins. D) Blood pressure. Show Answer Correct Answer: A) Capillaries. 40. What are coronary arteries? A) Vessels that send blood to the heart. B) Tiny vessels where gas exchange occurs. C) Vessels that supply the heart with oxygen. D) Vessels that send blood away from the heart. Show Answer Correct Answer: C) Vessels that supply the heart with oxygen. 41. T/F-Venules are small vessels that receive blood from the capillaries and begin its transport back toward the heart A) False. B) True. Show Answer Correct Answer: B) True. 42. ..... removes more water from the digested material and pushes it into your bloodstream. A) Large Intestines. B) Pancreas. C) Small Intestine. D) Gallbladder. Show Answer Correct Answer: A) Large Intestines. 43. The coronary arteries supply blood to which organ of the body? A) Brain. B) Heart. C) Kidneys. D) Liver. Show Answer Correct Answer: B) Heart. 44. Blood vessel that carries blood with oxygen back to the heart from the lung A) Aorta. B) Pulmonary artery. C) Wreath. D) Pulmonary veins. Show Answer Correct Answer: D) Pulmonary veins. 45. Type of blood circulatory system in reptiles is: A) Double blood circulatory system. B) Incomplete double circulatory system. C) Complete double circulatory system. D) None of above. Show Answer Correct Answer: B) Incomplete double circulatory system. 46. Teenagers can die from heart issues A) False. B) True. Show Answer Correct Answer: B) True. 47. To generate extra energy, body needs extra ..... A) Oxygen. B) Carbon dioxide. C) Water. D) All of these. Show Answer Correct Answer: A) Oxygen. 48. Pulmonary circulation A) Movement of blood through vessels to and from the lungs. B) Movement of blood through vessels to and from the heart and body. C) Movement of blood through vessels that supply blood to all the cells of the heart. D) Large vessel that takes blood away from the heart. Show Answer Correct Answer: A) Movement of blood through vessels to and from the lungs. 49. Red blood cells pick up oxygen from the ..... and carry it throughout the body. A) Heart. B) Veins. C) Vessels. D) Lungs. Show Answer Correct Answer: D) Lungs. 50. Do all animals have circulatory system? A) No. B) Yes. Show Answer Correct Answer: A) No. 51. Blood that is high in oxygen is red and blood that is low in oxygen is blue. A) True. B) False. C) Depends on the situation. D) None of above. Show Answer Correct Answer: B) False. 52. What organ has the main job of cleaning the blood? A) Kidneys. B) Skin. C) Heart. D) Pulmonary veins. Show Answer Correct Answer: A) Kidneys. 53. How many parts are there in circulatory system A) 3. B) 6. C) 4. D) 5. Show Answer Correct Answer: C) 4. 54. Pulmonary arteriy carries A) Oxygenated blood from the lung. B) Deoxygenated blood to the lung. C) Oxygenated blood to the lung. D) Deoxygenated blood from the lung. Show Answer Correct Answer: B) Deoxygenated blood to the lung. 55. The system of blood vessels that carries oxygenated blood to the tissues of the body and deoxygenated blood back to the heart. A) Systemic circuit. B) Pulmonary circuit. Show Answer Correct Answer: A) Systemic circuit. 56. Which body system has a function to exchange gases with the environment? A) Outgrowths. B) Circulatory. C) Muscular. D) Respiratory. Show Answer Correct Answer: D) Respiratory. 57. Nasal + Oral Cavity A) Large vessel that takes blood away from the heart. B) Buildup of fatty material within the walls of arteries. C) The nose and mouth. D) Something that helps produce a result. Show Answer Correct Answer: C) The nose and mouth. 58. The right and left Atriums ..... A) Fill with the blood that is returning to the heart. B) Stores waste that will soon be let out. C) Let blood out to the rest of the body. D) Makes energy using photosynthesis. Show Answer Correct Answer: A) Fill with the blood that is returning to the heart. 59. Veins direction from/to A) From the heart. B) To the heart. C) Connect arteries and veins. D) None of above. Show Answer Correct Answer: B) To the heart. 60. The circulatory system is the transport system of the body and has four principal functions: A) * transportation of oxygen and carbon dioxide. B) * distribution of nutrients and transport of wastes. C) * maintenance of body temperature. D) * circulation of hormones. E) All of these are principal functions of the circulatory system. Show Answer Correct Answer: E) All of these are principal functions of the circulatory system. ← 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