This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 95 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 95 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Every time the heart beats, blood surges through the arteries. In response to this increase in pressure, the arteries stretch and increase in ..... A) Diameter. B) Shape. C) Size. D) Length. Show Answer Correct Answer: A) Diameter. 2. An organ which constantly pumps blood around the circulatory system A) Circulatory system. B) Heart. C) Blood vessels. D) None of above. Show Answer Correct Answer: B) Heart. 3. What are the types of blood? A) B, C, D, AB. B) A, B, C, D. C) O, B, AA, AB. D) A. B, O, AB. Show Answer Correct Answer: D) A. B, O, AB. 4. How many different types of white blood cells are there? A) One. B) Ten. C) Several. D) Two. Show Answer Correct Answer: C) Several. 5. What is the main artery of the circulatory system? A) Superior vena cava. B) Inferior vena cava. C) Pulmonary. D) Aorta. Show Answer Correct Answer: D) Aorta. 6. What do we call the leaked liquid from the capillary that is picked up by the lymphatic system? A) Lymph. B) Blood. C) Lymphocytes. D) None of above. Show Answer Correct Answer: A) Lymph. 7. How does your heart help you live? A) By making you feel good. B) By showing others how much you care. C) By pumping blood throughout your body. D) None of above. Show Answer Correct Answer: C) By pumping blood throughout your body. 8. The nucleus is like the ..... of the cell. A) Foot. B) Hand. C) Stomach. D) Brain. Show Answer Correct Answer: D) Brain. 9. ..... assists in fighting disease, and is responsible for transporting nutrients and oxygen to all the cells of the body. A) Blood. B) Red Blood Cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) Blood. 10. Which part of the intrinsic conduction system is known as the "pacemaker" of the heart? A) Bundles of His. B) Atrioventricular (AV) node. C) Purkinje fibers. D) Sinoatrial (SA) node. Show Answer Correct Answer: D) Sinoatrial (SA) node. 11. What happens in systemic circulation A) Circulation for the entire body. B) Circulation in the heart only. C) Circulation heart and lungs. D) Circulation to digestion system only. Show Answer Correct Answer: A) Circulation for the entire body. 12. Which chamber of the heart sends low oxygen blood through the pulmonary arteries to the lungs? A) Right ventricle. B) Left ventricle. C) Right atrium. D) Left atrium. Show Answer Correct Answer: A) Right ventricle. 13. Which blood vessel carries oxygen rich blood? A) Arteries. B) Heart. C) Veins. D) Capillaries. Show Answer Correct Answer: A) Arteries. 14. What is number 4 labelling? A) Right ventricle. B) Left atrium. C) Left ventricle. D) Right atrium. Show Answer Correct Answer: C) Left ventricle. 15. Which of these is not included in the vascular system? A) Blood vessels. B) Blood. C) Heart. D) Lungs. Show Answer Correct Answer: D) Lungs. 16. Veins have valves to prevent blood A) From flowing downwards. B) From flowing backwards. C) From flowing away from the heart. D) From flowing upwards. Show Answer Correct Answer: B) From flowing backwards. 17. Both nutrients and waste are carried to the liver by your blood. A) True. B) False. Show Answer Correct Answer: A) True. 18. True or False:The inferior vena cava is the largest vein. A) True. B) False. Show Answer Correct Answer: A) True. 19. This protein produces the red color your RBCs have. A) Pepsin. B) Antibody. C) Chlorophyll. D) Hemoglobin. Show Answer Correct Answer: D) Hemoglobin. 20. Does this statement best describe a parallel or a series circuit. When more light bulbs are added they all remain bright. A) Parallel circuit. B) Series circuit. Show Answer Correct Answer: A) Parallel circuit. 21. Our heart pumps the blood rich in OXYGEN to all part of our body. Our blood also transport DIGESTED food and WATER to all part of our body. A) True. B) False. Show Answer Correct Answer: A) True. 22. Atherosclerosis is a disease that causes: A) INFLAMMATION OF VEINS. B) VEINS TO BECOME WEAK. C) PLAQUE BUILD-UP IN ARTERIES. D) VARICOSE VEINS. Show Answer Correct Answer: C) PLAQUE BUILD-UP IN ARTERIES. 23. Blood can pass from one side of the heart to the other. A) True. B) False. Show Answer Correct Answer: B) False. 24. About how large is your heart? A) Size of fist. B) Size of wrist. C) Size of foot. D) Size of ankle. Show Answer Correct Answer: A) Size of fist. 25. The process whereby a person receives blood is called blood ..... A) Diffusion. B) Transgression. C) Transmission. D) Transfusion. Show Answer Correct Answer: D) Transfusion. 26. When we want to inhale the intercostal muscles A) Relax. B) Contact. Show Answer Correct Answer: B) Contact. 27. The body gets oxygen from the ..... and that oxygen is delivered using ..... A) Heart, arteries. B) Arteries, lungs. C) Lungs, blood. D) Lungs, veins. Show Answer Correct Answer: C) Lungs, blood. 28. Vessels with thin but multiple cell layer thick walls A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: C) Veins. 29. Draw blood for testing. Which blood vessel area must be punctured and why? A) Artery because there was a lot of blood. B) Artery because the blood is very red. C) Vene because it has thin walls and low pressure. D) Venous because it has more blood than other blood vessels. Show Answer Correct Answer: C) Vene because it has thin walls and low pressure. 30. ¿What brings blood to the heart? A) Arteries. B) Veins. Show Answer Correct Answer: B) Veins. 31. A joint problem involving worn down cartilage, or cartilage that is no longer present, is called: A) Anemia. B) Osteoporosis. C) Tendonitis. D) Arthritis. Show Answer Correct Answer: D) Arthritis. 32. Muscles of heart are called ..... muscles. A) Layering. B) Stamen. C) Fast. D) Cardiac. Show Answer Correct Answer: D) Cardiac. 33. The right side of your heart A) Receives blood from the body and pumps it to the lungs. B) Receives blood from the lungs and pumps it out to the body. Show Answer Correct Answer: A) Receives blood from the body and pumps it to the lungs. 34. Molly is reading a book in science class. She reads one sentence that says, "This organism is capable of surviving as a single cell." Which organism is she most likely reading about? A) Insect. B) Amoeba. C) Flower. D) Mushroom. Show Answer Correct Answer: B) Amoeba. 35. Receives oxygenated blood from the lungs A) Right ventricle. B) Left ventricle. C) Right atrium. D) Left atrium. Show Answer Correct Answer: D) Left atrium. 36. It prevents the food from entering the air tube when we swallow. A) Epiglottis. B) Glottis. C) Pleura. D) Mucous Membrane. Show Answer Correct Answer: A) Epiglottis. 37. Which blood vessel is responsible for taking blood to the heart from the body? A) Artery. B) Vein. C) Muscles. D) Capillaries. Show Answer Correct Answer: B) Vein. 38. This is another name for "high blood pressure" . A) STROKE. B) HEART ATTACK. C) ATHEROSCLEROSIS. D) HYPERTENSION. Show Answer Correct Answer: D) HYPERTENSION. 39. Substances dissolved in the blood simply diffuse from thin-walled capillaries to the nearby cells. It distribute blood faster to a greater number of cells A) Open transport system. B) Heart. C) Closed transport system. D) Circulatory system. Show Answer Correct Answer: C) Closed transport system. 40. The tunica externa found in the walls of certain blood vessels is made up of MAINLY A) Elastic fibres. B) Smooth muscle. C) Collagen fibres. D) Squamous epithelium. Show Answer Correct Answer: C) Collagen fibres. 41. This type of blood vessels bring blood from the heart A) Heart. B) Arteries. C) Veins. D) Capillaries. Show Answer Correct Answer: B) Arteries. 42. This type of cell causes clotting where there is injury. A) Red blood cell. B) Plasma. C) Platelets. D) White blood cell. Show Answer Correct Answer: C) Platelets. 43. -Components of the bloodPlatelets A) Part of the immune system that fights infection and other foreign bodies. B) Responsible for blood clotting. C) Main component of blood, consists mainly of water with proteins, ions, nutrients and wastes. D) None of above. Show Answer Correct Answer: B) Responsible for blood clotting. 44. True or False:Veins carry co2 blood A) False. B) True. Show Answer Correct Answer: B) True. 45. What are arteries responsible for? A) Transporting oxygen rich blood to the heart. B) Transporting oxygen rich blood away from veins. Show Answer Correct Answer: B) Transporting oxygen rich blood away from veins. 46. This type of circulation is when blood rich in nutrients from the small intestine travels to the liver. A) Hepatic Portal circulation. B) Renal circulation. C) Pulmonary circulation. D) Systemic circulation. Show Answer Correct Answer: A) Hepatic Portal circulation. 47. What is the circulatory system's main purpose? A) Delivers oxygen and nutrients to all the cells in the body and carbon and waste to the lungs through blood vessels. B) Breaks down food in order to provide nutrients to all major organs in the body. C) Regulates hormones that are important in the processes of all other body systems. D) Sends messages between the brain and the muscles in order to control our body's stimulus and response processes. Show Answer Correct Answer: A) Delivers oxygen and nutrients to all the cells in the body and carbon and waste to the lungs through blood vessels. 48. Which blood cells make up one part of the body's defense system? A) Red Blood Cells. B) Platelets. C) White Blood Cells. D) Plasma. Show Answer Correct Answer: C) White Blood Cells. 49. .During diastole, the heart is in a(n) ..... state A) Relaxed. B) Excited. C) B. Active. D) None of above. Show Answer Correct Answer: A) Relaxed. 50. How many directions does blood travel in? A) 360 direction. B) Two directions, one for each side of your heart. C) 70 directions. D) One direction. Show Answer Correct Answer: D) One direction. 51. Oxygen-rich blood gets pumped from the left atrium, through the A.V. valve to the ..... A) Left ventricle. B) Superior vena cava. C) Lungs. D) Left atrium. Show Answer Correct Answer: A) Left ventricle. 52. In the correct sequence of the cardiac conduction system, an impulse will travel to from the AV node to the ..... ? A) Purkinje fibers. B) AV node. C) Bundle of His. D) Right and left bundle branches. Show Answer Correct Answer: C) Bundle of His. 53. The Circulatory System is made of: A) Blood, blood vessels and heart. B) The lungs and heart. C) The heart and vessels. D) The blood and lungs. Show Answer Correct Answer: A) Blood, blood vessels and heart. 54. Blood groups are determined by protein molecules present on the surface of RBCs A) True. B) False. Show Answer Correct Answer: A) True. 55. Contraction phase of the heartbeat is called ..... A) Systole. B) Diastole. C) Contractility. D) Venous return. Show Answer Correct Answer: A) Systole. 56. The circulatory system is A) The main support system of the body. B) The main transport system of the body. C) The main excretory system of the body. D) None of above. Show Answer Correct Answer: B) The main transport system of the body. 57. What heart chamber sends oxygenated blood into the aorta? A) Right atrium. B) Left atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: C) Left ventricle. 58. Voice box; passageway for air moving from the pharynx to trachea; contains vocal cords A) Pharynx. B) Bronchus. C) Trachea. D) Larynx. Show Answer Correct Answer: D) Larynx. 59. The trachea branches off into two: A) Alveoli. B) Bronchi. C) Bronchioles. D) None of above. Show Answer Correct Answer: B) Bronchi. 60. What is the outer surface of the heart called? A) Endocardium. B) Myocardium. C) Epicardium. D) Aorta. Show Answer Correct Answer: C) Epicardium. ← 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