This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 145 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 145 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The upper chamber A) No correct answer. B) Ventricles. C) Atriums. D) Blood. Show Answer Correct Answer: C) Atriums. 2. The tricuspid valve prevents the backflow of blood from the ..... and the ..... A) Right ventricle, left ventricle. B) Left atrium, right atrium. C) Right atrium, right ventricle. D) Left atrium, left ventricle. Show Answer Correct Answer: C) Right atrium, right ventricle. 3. ..... plays a major role in blood clotting. A) Platelets. B) Ventricles. C) Aorta. D) Capillaries. Show Answer Correct Answer: A) Platelets. 4. These vessels carry oxygenated blood and are no thicker than a hair. A) Arterioles. B) Capillaries. C) Aorta. D) None of above. Show Answer Correct Answer: A) Arterioles. 5. It is needed to keep us alive. It brings oxygen and nutrients to all the parts of the body so they can keep working. A) Blood. B) Water. C) Air. D) None of above. Show Answer Correct Answer: A) Blood. 6. What side of the heart are the ventricle? A) The right side. B) The left side. C) The upper side. D) The lower side. Show Answer Correct Answer: D) The lower side. 7. Blood cells that fight infections caused by parasites. A) Basphil. B) Monocytes. C) Neutrophil. D) Eosinophil. Show Answer Correct Answer: D) Eosinophil. 8. The valves allow the flow of blood in A) One direction only. B) Both direction s. C) Multiple directions. D) None. Show Answer Correct Answer: A) One direction only. 9. I am part of the immune system that searches for infection so I can engulf and destroy bacteria that might try to harm you. A) Red blood cells. B) Platelets. C) Plasma. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 10. Arteries branch into smaller and smaller blood vessels, eventually so small that they can reach every cell in the body A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 11. The systemic circulation provides the ....., ..... and ..... with blood A) Organs, tissues and cells. B) Lungs, heart, and brain. C) Ears, nose and throat. D) Veins, arteries and capillaries. Show Answer Correct Answer: A) Organs, tissues and cells. 12. The pulmonary arteries and veins bring blood to and from the A) Lungs. B) Upper body. C) Lower body. D) Heart. Show Answer Correct Answer: A) Lungs. 13. During a biology class, Abigail, Arjun, and Ethan were discussing which muscle works the hardest in the human body. Which muscle were they referring to? A) Abdominal muscle. B) Bicep muscle. C) Quadriceps muscles. D) Heart muscle. Show Answer Correct Answer: D) Heart muscle. 14. Which blood vessel has the "lowest" blood pressure? A) Pulmonary vein. B) Coronary artery. C) Vena cava. D) Capillaries. Show Answer Correct Answer: C) Vena cava. 15. After the blood gets oxygenated in the lungs, to which part of the heart does it return? A) Left ventricle. B) Left atrium. C) Right atrium. D) Right ventricle. Show Answer Correct Answer: B) Left atrium. 16. What are the 4 parts of blood? A) Red blood cells, white blood cells, platelets, plasma. B) Red blood cells, white blood cells, platelets, marrow. C) Red blood cells, plasma, white blood cells, marrow. D) Red blood cells, platelets, plasma, water. Show Answer Correct Answer: A) Red blood cells, white blood cells, platelets, plasma. 17. The heart is divided into four parts or chambers-the lower chambers are called ..... A) Atriums. B) Ventricles. C) Atria. D) Centrioles. Show Answer Correct Answer: B) Ventricles. 18. Which blood vessel contains tiny valves? A) Artery. B) Vein. C) Capillary. D) None of above. Show Answer Correct Answer: B) Vein. 19. What blood vessel brings blood that is high in oxygen from the lungs to the heart? A) Vena cava. B) Pulmonary artery. C) Aorta. D) Pulmonary vein. Show Answer Correct Answer: D) Pulmonary vein. 20. One of the moat important jobs of the circulatory system is to A) Supply oxygen to all the cells in the body. B) Supply water to all the cells in the body. Show Answer Correct Answer: A) Supply oxygen to all the cells in the body. 21. A heart attack can occur when ..... A) Blockage of circulation to the brain. B) Blocked blood vessel in the heart. C) Low levels of plague. D) None of above. Show Answer Correct Answer: B) Blocked blood vessel in the heart. 22. Which blood vessel connects arteries to veins so that blood can start moving back to the heart? A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: B) Capillaries. 23. What is the title of Chapter 3? A) The Muscular System and the Circulatory System. B) Sidney and Her Body. C) The Digestive System. D) None of above. Show Answer Correct Answer: A) The Muscular System and the Circulatory System. 24. Blood Vessels that brings blood back in to the heart are called A) White blood cells. B) Capillaries. C) Arteries. D) Veins. Show Answer Correct Answer: D) Veins. 25. Cell fragments of megakaryocytes yield ..... A) Erythrocytes. B) Blood platelets. C) Granulocyte. D) Agranulocyte. Show Answer Correct Answer: B) Blood platelets. 26. Which type of agranulocyte has a really large nucleus and provides immunity? A) Red blood cell. B) Lymphocyte. C) Basophil. D) Monocyte. Show Answer Correct Answer: B) Lymphocyte. 27. Blood in mammals is contains platelets (thrombocytes) that A) Contain haemoglobin that binds and transports oxygen and carbon dioxide. B) Play roles in the immune system such as engulfing pathogens and producing antibodies. C) Are fragments of cells that prevent blood loss and ensure that blood clots. D) Contains dissolved ions, gasses, proteins and hormones. Show Answer Correct Answer: C) Are fragments of cells that prevent blood loss and ensure that blood clots. 28. Plasma makes up what percentage of your blood? A) 45%. B) 55%. C) 75%. D) 1%. Show Answer Correct Answer: B) 55%. 29. Which leukocyte produces histamine in response to an allergen? A) Basophils. B) Monocytes. C) Eosinophils. D) Neutrophils. Show Answer Correct Answer: A) Basophils. 30. Which chamber of the heart has a thick muscular wall to pump blood round the body? A) Left ventricle. B) Right atrium. C) Left atrium. D) Right ventricle. Show Answer Correct Answer: A) Left ventricle. 31. What is another name for heart attack? A) Hypertension. B) Arteriosclerosis. C) Myocardial Infarction. D) Atherosclerosis. Show Answer Correct Answer: C) Myocardial Infarction. 32. The blood that comes through the vena cava is: A) Oxygen rich. B) Oxygen poor. Show Answer Correct Answer: B) Oxygen poor. 33. What is the purpose of antibodies? A) To create lymph. B) To pump lymph through the vessels. C) To fight infection. D) To remove old red blood cells. Show Answer Correct Answer: C) To fight infection. 34. This side of the heart gets good blood from the Lungs and it Leaves this side out to the body. A) Right. B) Lower. C) Left. D) Center. Show Answer Correct Answer: C) Left. 35. The diaphragm separates the thoracic cavity from the abdominal cavity. A) True. B) False. Show Answer Correct Answer: A) True. 36. Which one is INCORRECT about endocardium of the heart? A) It is lines continuously with the endothelium cells. B) An infection of the endocardium can lead to a condition called endocarditis. C) It covers the heart valves. D) It is a thick layer. Show Answer Correct Answer: D) It is a thick layer. 37. How does viscosity affect blood flow? A) Lower viscosity decreases blood flow. B) Higher viscosity increases blood flow. C) Higher viscosity decreases blood flow. D) There is no correlation between viscosity and blood flow. Show Answer Correct Answer: C) Higher viscosity decreases blood flow. 38. Which of the following containsoxygenated blood in human heart? A) Superior and inferior vena cava. B) Left ventricle. C) Right ventricle. D) Pulmonary artery. Show Answer Correct Answer: B) Left ventricle. 39. What is the blood's job? A) To create oxygen. B) To move things your body needs. C) To pumps blood. D) To create carbon dioxide. Show Answer Correct Answer: B) To move things your body needs. 40. Name that System:Stomach A) Respiratory. B) Circulatory. C) Digestive. D) None of above. Show Answer Correct Answer: C) Digestive. 41. What is the main function of the pulmonary circuit in the circulatory system? A) To pump blood to the whole body. B) To pump blood to the heart only. C) To pump blood to the brain only. D) To pump blood to the lungs only. Show Answer Correct Answer: D) To pump blood to the lungs only. 42. Letter E is known as the A) Septum. B) Pulmonary Artery. C) Pulmonary Vein. D) Valves. Show Answer Correct Answer: D) Valves. 43. Your heart is made of ..... cells that constantly contract and relax to pump your blood. A) Epithelial. B) Muscle. C) Prokaryotic. D) Spine. Show Answer Correct Answer: B) Muscle. 44. ..... blood cells carry germ fighters from the immune system. A) White Blood Cells. B) Red Blood Cells. Show Answer Correct Answer: A) White Blood Cells. 45. Blood vessels with thick waals..... A) Arteries Arteries. B) Veins. C) Both. D) Blood capillaries. Show Answer Correct Answer: A) Arteries Arteries. 46. Which of the following correctly states the function of the circulatory system? A) Receives information from the environment, interprets the information, and responds. B) The transport of oxygen, carbon dioxide, nutrients and other materials throughout the body. C) Provides a barrier of protection against pathogens, helps maintain body temperature, prevents water loss, absorbs vital minerals and vitamins. D) None of above. Show Answer Correct Answer: B) The transport of oxygen, carbon dioxide, nutrients and other materials throughout the body. 47. Blood that gets pumped to heart ..... A) Has a lot of Oxygen and very little Carbon Dioxide. B) Has a little bit of Oxygen and a lot of Carbon Dioxide. Show Answer Correct Answer: B) Has a little bit of Oxygen and a lot of Carbon Dioxide. 48. The larger number in a person's blood pressure reading-a measurement of the pressure of ventricle contractions A) Diastolic. B) Systolic. Show Answer Correct Answer: B) Systolic. 49. Which valve guards the base of the aorta and opens when the ventricles are contracting? A) Pulmonary semilunar valve. B) Mitral valve. C) Bicuspid valve. D) Aortic semilunar valve. Show Answer Correct Answer: D) Aortic semilunar valve. 50. Stethescope means ..... A) Chestscope. B) Stethescope. C) Heart scope. D) Pulse scope. Show Answer Correct Answer: A) Chestscope. 51. Which of the following provides oxygen and nutrients to the cells? A) Lymph. B) Tissue fluid. C) Monocyte. D) Heparin. Show Answer Correct Answer: B) Tissue fluid. 52. The patient has blood pressures of 180/100 and 140/100. She expects to be diagnosed with: A) Hypertension. B) MI. C) Transient ischemic attack. D) Coronary artery disease. Show Answer Correct Answer: A) Hypertension. 53. The heart pumps about ..... liters of blood a day. A) 3000. B) 7000. C) 100. D) 1200. Show Answer Correct Answer: B) 7000. 54. If too much fluid is in the blood plasma and the heart is working too hard or beating too fast, but cholesterol and triglyceride levels are healthy, ..... will happen. A) Hemophilia. B) Anemia. C) High blood pressure. D) A heart attack. Show Answer Correct Answer: C) High blood pressure. 55. What is NOT true about vasoconstriction? A) It means the narrowing of blood vessels. B) It increases blood pressure. C) It is opposite of vasodilation. D) All of the above are true. Show Answer Correct Answer: D) All of the above are true. 56. What kind of a verb is?"Closing the door softly, he left never to return again." A) Finite verb. B) Non-finite verb (a gerund). C) Non-finite verb (a participle). D) Non-finite verb (an infinitve). E) None of the above. Show Answer Correct Answer: C) Non-finite verb (a participle). 57. What is the measure of a "normal" blood pressure? A) 120 + 80. B) 80/120. C) 120/80. D) None of above. Show Answer Correct Answer: C) 120/80. 58. When the trachea branches off to each lung, the two main "branches" are called ..... A) Alveoli. B) Bronchioles. C) Pleura. D) Bronchi. Show Answer Correct Answer: D) Bronchi. 59. What part of the circulatory system are the lungs. A) Respiration part. B) Pulmonary part. C) Systemic part. D) Cardiovascular part. Show Answer Correct Answer: B) Pulmonary part. 60. Which among this is not a chamber of heart A) Left auricles. B) Atrium. C) Right ventricles. D) Left ventricle. E) None of above. Show Answer Correct Answer: E) None of above. ← 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