This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 131 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 131 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Describe the nature of movement of oxygen within the blood and surrounding tissues A) Moves out into the alveolar space from the capillaries. B) Moves down its partial pressure. C) Requires protein channels to diffuse across membranes. D) Moves down its electrochemical gradient. Show Answer Correct Answer: B) Moves down its partial pressure. 2. Plasma is made of mostly ..... A) Water. B) Oxygen. C) Agents to fight infection. D) None of above. Show Answer Correct Answer: A) Water. 3. What is a normal resting heart rate/pulse? A) 95-100 bpm. B) 0-50 bpm. C) 120-80 bpm. D) 60-100 bpm. Show Answer Correct Answer: D) 60-100 bpm. 4. When you hear the second heat sound "dub" what is happening in the heart? A) The atrioventricular valves (AV) open. B) The semilunar valves (SL) close. C) The semilunar valves (SL) open. D) The atrioventricular valves (AV) close. Show Answer Correct Answer: B) The semilunar valves (SL) close. 5. Thick blood vessels in the body. A) Arteries. B) Veins. C) Blood capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 6. What is the main function of arteries? A) A. Carry oxygenated blood from the heart to all body parts. B) Carry de-oxygenated blood from the heart to all body parts. C) Carry oxygenated blood to the heart from all body parts. D) Carry de-oxygenated blood to the heart from all body parts. Show Answer Correct Answer: A) A. Carry oxygenated blood from the heart to all body parts. 7. The outside layer of the heart A) Myocardium. B) Epicardium. C) Endocardium. D) Left ventricle. Show Answer Correct Answer: B) Epicardium. 8. What does a blood vessel do? A) Produce blood. B) Transport/circulate blood. C) Store blood. D) None of above. Show Answer Correct Answer: B) Transport/circulate blood. 9. What type of circulation moves blood to the heart and lungs? A) Pulmonary. B) Systemic. C) Coronary. D) None of above. Show Answer Correct Answer: A) Pulmonary. 10. Why does blood go to the lungs before it goes to the rest of the body? A) To make energy. B) To make sugar. C) To collect oxygen. D) None of above. Show Answer Correct Answer: C) To collect oxygen. 11. Blood vessels are known as veins and ..... A) Arteries. B) Lungs. C) Atriums. D) Roads. Show Answer Correct Answer: A) Arteries. 12. Which of the following are considered the main components of the circulatory system? A) Blood, Heart, Kidneys, Liver, Pancreas. B) Blood, Heart, Lungs, Stomach, Brain. C) Blood, Heart, Veins, Arteries, Capillaries. D) Blood, Heart, Muscles, Bones, Skin. Show Answer Correct Answer: C) Blood, Heart, Veins, Arteries, Capillaries. 13. In the inner ear there is a fluid filled structure which passes sound vibrations to tiny hairs attached to nerves. This structure is the A) Ear drum. B) Carotid artery. C) Cochlea. D) Colon. Show Answer Correct Answer: C) Cochlea. 14. What part of the heart pumps blood out to the lungs? A) Right atrium. B) Right ventricle. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: B) Right ventricle. 15. What can arteriosclerosis lead to? A) Heart attack. B) Lung disease. C) Hypertension. D) Kidney failure. Show Answer Correct Answer: A) Heart attack. 16. Blood in the pulmonary vein is A) High in oxygen, low in carbon dioxide. B) Low in oxygen, low in carbon dioxide. C) Low in oxygen, high in carbon dioxide. D) High in oxygen, high in carbon dioxide. Show Answer Correct Answer: A) High in oxygen, low in carbon dioxide. 17. When you run, your heart beats quickly because? A) Your body needs more food. B) Your body needs more oxygen. C) Your body tired. D) Your body needs more water. Show Answer Correct Answer: B) Your body needs more oxygen. 18. Which type of blood cell protects the body from disease and germs? A) White blood cells. B) Green blood cells. C) Blue blood cells. D) Red blood cells. Show Answer Correct Answer: A) White blood cells. 19. What is manufactured by the body to help protect you from disease? A) Cardiac muscle. B) Platelets. C) Arteries. D) Oxygen. E) Antibodies. Show Answer Correct Answer: E) Antibodies. 20. What is Cardiac Cycle? A) The sequence of events which takes place during one complete heartbeat. B) The relaxation is known as Cardiac Cycle. C) The Contraction is known as Cardiac Cycle. D) The lub-dub sound is known as Cardiac Cycle. Show Answer Correct Answer: A) The sequence of events which takes place during one complete heartbeat. 21. Where is "blue" blood going? A) Lungs. B) Body. Show Answer Correct Answer: A) Lungs. 22. How do you say "get rid of something" in Spanish? A) Try something. B) Get rid of something. C) Visit something. D) None of above. Show Answer Correct Answer: B) Get rid of something. 23. Hairlike structures that line the nasal cavities and trachea are called A) Cilia. B) Bronchi. C) Mucus. D) Capillaries. Show Answer Correct Answer: A) Cilia. 24. What is the systole? A) When the atrioventricular valves open and the ventricles relax. B) When you have a heart attack. C) When the ventricles contract and pump blood into the aorta and pulmonary artery. D) When the heart stop working and no blood is being sent there. Show Answer Correct Answer: C) When the ventricles contract and pump blood into the aorta and pulmonary artery. 25. The liquid part of your blood. A) Platelets. B) White blood cells. C) Red blood cells. D) Plasma. Show Answer Correct Answer: D) Plasma. 26. These are flap like structures that prevent blood from flowing back to the body parts. A) Veins. B) Capillaries. C) Valves. D) None of the above. Show Answer Correct Answer: C) Valves. 27. The Arteries are A) Thick. B) Thin. C) Small. D) None of above. Show Answer Correct Answer: A) Thick. 28. What is the function of the femoral veins? A) Transport blood to the inferior vena cava. B) Transport blood to the lungs. C) What are the femoral veins?. D) None of above. Show Answer Correct Answer: A) Transport blood to the inferior vena cava. 29. Jorge has a cold but feels well enough to study with his friends Lisa and Jin. Lisa and Jin become sick. Which term describes Jorge's condition when he was studying with his friends? A) Noninfectious. B) Contagious. C) Immune. D) Deadly. Show Answer Correct Answer: B) Contagious. 30. What part of the electrical conduction system of the heart is nicknamed the pacemaker? A) Atrioventricular Node. B) Purkinje Fibers. C) Bundle of His. D) Sinoatrial Node. Show Answer Correct Answer: D) Sinoatrial Node. 31. What is the structure of capillaries that allows them to exchange substances with cells? A) Thick walls with several layers. B) Permeable walls that allow easy diffusion. C) Large lumen for high blood pressure. D) Strong and elastic walls. Show Answer Correct Answer: B) Permeable walls that allow easy diffusion. 32. When considering the elements found within blood. Which would be most useful for a marathon runner: A) Red blood cells. B) Plasma. C) Platelets. D) White blood cells. E) Water. Show Answer Correct Answer: A) Red blood cells. 33. A condition of a saclike formation in the wall of an artery is? A) Anemia. B) Embolus. C) Aneurysms. D) Basophils. Show Answer Correct Answer: C) Aneurysms. 34. In one day, how many galleons of blood does your heart pump? A) 20 galleons of blood. B) 100 galleons of blood. C) 1, 000 galleons of blood. D) 2, 000 galleons of blood. Show Answer Correct Answer: D) 2, 000 galleons of blood. 35. Which of the following are fragments of cells that help form blood clots to stop bleeding? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) None of above. Show Answer Correct Answer: C) Platelets. 36. Respiratory System A) Intakes oxygen into the blood and carbon dioxide out of the body. B) A large dome shaped muscle that plays an important role in breathing. C) Smaller branches of the bronchi, located in the lungs. D) Movement of air into and out of the lungs. Show Answer Correct Answer: A) Intakes oxygen into the blood and carbon dioxide out of the body. 37. Contraction of the left ventricle pushes blood toward A) The pulmonary vein. B) The aorta artery. C) The pulmonary artery. D) None of above. Show Answer Correct Answer: B) The aorta artery. 38. Condition that occurs when an artery in the brain is blocked, cutting off the blood supply to part of the brain A) Stroke. B) Hypertension. C) Atherosclerosis. D) Cell metabolism. Show Answer Correct Answer: A) Stroke. 39. What chamber of the heart pumps blood to the left ventricle? A) Right Ventricle. B) Left Atrium. C) Right Atrium. D) Left Ventricle. Show Answer Correct Answer: B) Left Atrium. 40. What organ is responsible for the absorption of water and movement of waste? A) Large intestine. B) Small intestine. C) Stomach. D) Oral cavity. Show Answer Correct Answer: A) Large intestine. 41. Can be found on the surface of RBC A) Heptin. B) Antibodies. C) Antigens. D) Rhesus Factor. Show Answer Correct Answer: C) Antigens. 42. The heart is made of which of the following types of muscles? A) Cardiac muscle. B) Striated muscle. C) Smooth muscle. D) None of the above. Show Answer Correct Answer: A) Cardiac muscle. 43. Find the mode:10, 11, 8, 14, 12, 8, 4, 5 A) 72. B) 8. C) 9. D) None of above. Show Answer Correct Answer: B) 8. 44. Types of blood vessels: A) Arteries, veins, aorta. B) Arteries, veins, bronchioles. C) Arteries, veins, neurons. D) Arteries, veins, capillaries. Show Answer Correct Answer: D) Arteries, veins, capillaries. 45. Which of the following you should not do to have a healthy heart and lungs? A) Sleep 8 hours a day. B) Exercise regularly. C) Smoke occassionally. D) Observe a balanced diet. Show Answer Correct Answer: C) Smoke occassionally. 46. The largest vein is called ..... A) Vena cava. B) Aorta. C) Ventricle. D) Atrium. Show Answer Correct Answer: A) Vena cava. 47. The function of the respiratory systems is to bring carbon dioxide into the body and to expel oxygen and water vapor. A) True. B) False. Show Answer Correct Answer: B) False. 48. Circulation involving the lungs is called ..... A) Pulmonary Circulation. B) Systemic Circulation. C) Cardiac Convendency. D) Cutaneous Circulation. Show Answer Correct Answer: A) Pulmonary Circulation. 49. Valves are important in the heart because they ..... A) Are vessels that carry blood. B) Create the heart beat. C) Prevent back flow as blood moves through the heart. D) House white blood cells. Show Answer Correct Answer: C) Prevent back flow as blood moves through the heart. 50. Which chamber of the heart receives oxygen-poor blood from the body? A) Left ventricle. B) Left atrium. C) Right ventricle. D) Right atrium. Show Answer Correct Answer: D) Right atrium. 51. What are the organs the fill with air when you breath called? A) Lungs. B) Heart. C) Liver. D) None of above. Show Answer Correct Answer: A) Lungs. 52. Which of these is NOT a feature of the white blood cell? A) Defends the body from infectious organisms. B) Have a nucleus. C) Is smaller than red blood cells. D) Is less in number than the red blood cell. Show Answer Correct Answer: C) Is smaller than red blood cells. 53. It prevents the backflow of blood from the right ventricle to the right artery. A) Mitral valve. B) Pulmonary valve. C) Aortic valve. D) Tricuspid valve. Show Answer Correct Answer: D) Tricuspid valve. 54. Which of the following is NOT a function of plasma? A) Carrying waste products. B) Generating electrical impulses. C) Distributing body heat. D) Carrying nutrients to the tissues. Show Answer Correct Answer: B) Generating electrical impulses. 55. Which type of blood cells play a crucial role in the immune system and defense against infections? A) Platelets. B) Red blood cells. C) Plasma. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 56. The connective tissue that covers the heart. A) Epicardium. B) Pericardium. C) Endocardium. D) Myocardium. Show Answer Correct Answer: B) Pericardium. 57. Which of the following blood components provide the major defense for our bodies against invading bacteria and viruses? A) Platelets. B) Red Blood Cells. C) White Blood Cells. D) None of above. Show Answer Correct Answer: C) White Blood Cells. 58. Heart Attack Warning Sign:Unusual fatigue for several days. A) Men. B) Women. C) Both. D) None of above. Show Answer Correct Answer: B) Women. 59. The role of the atrioventricular node (AV node) is to A) Conduct impulses to the sinoatrial node (SA node). B) Initiate ventricular depolarization. C) Slow down impulses so that the atria can contract to fill the adjacent ventricles with blood. D) Initiate a sinus rhythm. Show Answer Correct Answer: C) Slow down impulses so that the atria can contract to fill the adjacent ventricles with blood. 60. Capillaries are the largest blood vessel. A) True. B) False. Show Answer Correct Answer: B) False. ← 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