This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 176 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 176 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The push of blood against the walls of blood vessels is ..... A) Capillaries. B) Arteries. C) Veins. D) Blood pressure. Show Answer Correct Answer: D) Blood pressure. 2. This is a disorder of the blood. There is a lack of red blood cells to carry oxygen to the heart. A) Anemia. B) Atherosclerosis. C) Tachycardia. D) None of above. Show Answer Correct Answer: A) Anemia. 3. What percent of the blood are white blood cells? A) Less than 1%. B) 45%. C) 55%. D) None of above. Show Answer Correct Answer: A) Less than 1%. 4. The last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body A) Small Intestine. B) Large Intestine. C) Stomach. D) None of above. Show Answer Correct Answer: B) Large Intestine. 5. To which chamber of the heart does the blood coming from the body arrive to? A) Right Ventricle. B) Left Atrium. C) Left Ventricle. D) Right Atrium. Show Answer Correct Answer: D) Right Atrium. 6. About 85% of the people in the world are Rh+ or Rh-? A) Rh-. B) Rh+. Show Answer Correct Answer: B) Rh+. 7. A stroke happens when A) When there is enough oxygen getting to the brain. B) When there is a lack of oxygen getting to the brain. C) Both of them. D) None of above. Show Answer Correct Answer: B) When there is a lack of oxygen getting to the brain. 8. What is the unit of measuring pulse rate? A) Frequency (Hz). B) Beats per minute (bpm). C) Millimetres of mercury (mm Hg). D) Degree Celsius (oC). Show Answer Correct Answer: B) Beats per minute (bpm). 9. What is the primary characteristic of capillaries that allows easy gas exchange? A) Thick walls. B) Thin walls. C) Valves. D) High pressure. Show Answer Correct Answer: B) Thin walls. 10. 55% of the bloods volume is made up of: A) Leukocytes. B) Thrombocytes. C) Plasma. D) Erythrocytes. Show Answer Correct Answer: C) Plasma. 11. What is the process by which red blood cells are made? A) Erythrocytes. B) Hemoglobin. C) Erythropoiesis. D) Leukocytes. Show Answer Correct Answer: C) Erythropoiesis. 12. Which structure is made of tissue? A) Organ System. B) Organism. C) Organ. D) Cell. Show Answer Correct Answer: C) Organ. 13. What happens to the walls of the arteries as the heart pushes blood through them? A) They shrink. B) They get tight. C) They constrict. D) They stretch. Show Answer Correct Answer: D) They stretch. 14. In the skeletal system ..... allow for side to side movement A) Pivot joint. B) Ball and socket joint. C) Hinge joint. D) Legs. Show Answer Correct Answer: A) Pivot joint. 15. She's honest, ..... everyone trusts her. A) For. B) So. C) Such. D) When. Show Answer Correct Answer: B) So. 16. Which blood vessel carries deoxygenated (oxygen-poor) blood from the brain to the heart? A) Inferior vena cava. B) Superior vena cava. C) Left Atrium. D) Aorta. Show Answer Correct Answer: B) Superior vena cava. 17. What is the approximate length of the blood vessels in the human body, according to the text? A) 500, 000 km. B) 50, 000 km. C) 100, 000 km. D) 1, 000 km. Show Answer Correct Answer: C) 100, 000 km. 18. A normal heart on an average Beats ..... time per minute A) 70. B) 72. C) 76. D) 77. E) 100. Show Answer Correct Answer: B) 72. 19. The atria are the "downstairs" chambers of the heart and the ventricles are the "upstairs" chambers. A) True. B) False. Show Answer Correct Answer: B) False. 20. The main artery of the body supplyong oxygenated blood to the circulatory system. A) Venules. B) Vena Cava. C) Aorta. D) Arterioles. Show Answer Correct Answer: C) Aorta. 21. Where are red blood cells broken down? A) Liver. B) Kidneys. C) Pancreas. D) Heart. Show Answer Correct Answer: A) Liver. 22. How many thing(s) make your circulatory system? A) 5. B) 3. C) 1. D) 6. Show Answer Correct Answer: B) 3. 23. Build up of plague inside the arteries. A) Atheroslerosis. B) Heart Attack. C) Stroke. D) CVD. Show Answer Correct Answer: A) Atheroslerosis. 24. Define Platelets A) A part of a cell that is found in blood that helps blood to clot on a wound. B) The liquid part of blood. C) A blood cell that helps fight germs and diseases. D) A blood cell that helps fight germs and diseases. Show Answer Correct Answer: A) A part of a cell that is found in blood that helps blood to clot on a wound. 25. What is the main function of the pulmonary veins in the circulatory system? A) Carry oxygenated blood to the body. B) Carry deoxygenated blood to the lungs. C) Involved in the clotting process of the blood following an injury. D) Protect against disease and harmful bacteria; produce antibodies. Show Answer Correct Answer: A) Carry oxygenated blood to the body. 26. Capillaries are very tiny vessels that ..... A) Move blood out of the way. B) Pump blood to the heart. C) Pump the nutrients to the brain. D) Enable oxygen, carbon dioxide, and nutrients to move between your circulatory system and your entire body. Show Answer Correct Answer: D) Enable oxygen, carbon dioxide, and nutrients to move between your circulatory system and your entire body. 27. Which visual ..... the diagram or the photograph ..... would you used to point out the location of the valve of the heart? A) Diagram. B) Photograph. Show Answer Correct Answer: A) Diagram. 28. Haemoglobin must combine with ..... to form haemoglobinic acid. A) Carbon dioxide. B) Electron. C) Carbonic acid. D) Hydrogen ions. Show Answer Correct Answer: D) Hydrogen ions. 29. Which blood vessel is responsible for gas exchange? A) Artery. B) Vein. C) Capillary. D) None of above. Show Answer Correct Answer: C) Capillary. 30. The (a) system works most closely with the circulatory system. A) Nervous. B) Skeletal. C) A respiratory. D) Endocrine. E) Digestive. Show Answer Correct Answer: C) A respiratory. 31. Which animal shares the most love? A) Lion. B) Monkey. C) Shark. D) HEARTvaark. Show Answer Correct Answer: D) HEARTvaark. 32. 'BPM' stands for A) Beats per minute. B) Beats per mile. C) Better per minute. D) Both post mile. Show Answer Correct Answer: A) Beats per minute. 33. During atrial contraction and ventricular filling, A) The atria are relaxed. B) The AV valves are open. C) The semilunar valves are open. D) The ventricles are contracted. Show Answer Correct Answer: B) The AV valves are open. 34. Which of the description below is NOT referring to erythrocytes? A) Have a biconcave shape. B) Do not contain a nucleus. C) Contain mitochondria. D) Contain haemoglobin. Show Answer Correct Answer: C) Contain mitochondria. 35. Yellow liquid portion of your blood. It contains important proteins that are responsible for vital functions such as helping your blood clot & defending your body against infections. A) Erythrocytes. B) Leukocytes. C) Plasma. D) Thrombocytes. Show Answer Correct Answer: C) Plasma. 36. The heart contracts and relaxes, it produces heartbeat. A) True. B) False. Show Answer Correct Answer: A) True. 37. What is an effect of vasodilation in temperature regulation when temperatures are high? A) More blood moves to the skin to release some of the heat. B) Blood moves deeper into the body to keep the organs warm. Show Answer Correct Answer: A) More blood moves to the skin to release some of the heat. 38. Heart Attack Warning Sign:Shortness of Breath A) Men. B) Women. C) Both. D) None of above. Show Answer Correct Answer: C) Both. 39. How many beats/minute is the heart rate in chickens? A) 32-44. B) 60-80. C) 200-400. D) 70-80. Show Answer Correct Answer: C) 200-400. 40. Platelets help create blood clots to stop the ..... of cuts and scrapes. A) Bleeding. B) Flow of blood. C) Help prevent disease. D) None of above. Show Answer Correct Answer: A) Bleeding. 41. The ..... allow the blood in one direction only. A) The ventricles. B) The auricles. C) The atrium. D) The valves. Show Answer Correct Answer: D) The valves. 42. Which system makes red blood cells? A) Digestive System. B) Circulatory System. C) Nervous System. D) Skeletal System. Show Answer Correct Answer: D) Skeletal System. 43. Sequence of heart contractions & relaxations: A) Pulse rate. B) Pericarditis. C) Cardiac cycle. D) Infarct. Show Answer Correct Answer: C) Cardiac cycle. 44. What are cells called that cause sickness, disease and infection? A) Pathogens. B) WBC. C) Warriors. D) Red blood cells. Show Answer Correct Answer: A) Pathogens. 45. Blood cells that fight disease. A) Platelets. B) WBCs. C) RBCs. D) Organelles. Show Answer Correct Answer: B) WBCs. 46. The ..... brings blood from the head and shoulder to the heart A) Pulmonary Vein. B) Aorta. C) Pulmonary Artery. D) Superior vena cava. Show Answer Correct Answer: D) Superior vena cava. 47. The blood cells that contain hemoglobin are the ..... A) Platelets. B) Thrombocytes. C) Erythrocytes. D) Leukocytes. Show Answer Correct Answer: C) Erythrocytes. 48. Which valve controls blood flow from the Left Ventricle to the Body A) Pulmonary Semilunar Valve. B) Bicuspid. C) There is no valve, blood just flows right in. D) Tricuspid. E) Aortic Semilunar Valve. Show Answer Correct Answer: E) Aortic Semilunar Valve. 49. Professional antigen presenting cells that inform the fight against invasive while enforcing tolerance to self and harmlss environmental antigens A) Dendritic Cells. B) Thrombocytes. C) Plasma cells. D) None of above. Show Answer Correct Answer: A) Dendritic Cells. 50. State the situation in which blood transfusion is necessary. A) Headache. B) Influenza. C) Fever. D) Surgery. Show Answer Correct Answer: D) Surgery. 51. OxygenatedBlood is carried away from the heart to other parts of the body by A) Pulmonary veins. B) Aorta. C) Inferior vena cava. D) Pulmonary artery. Show Answer Correct Answer: B) Aorta. 52. What is the job of the white blood cells? A) Help fight disease by making antibodies. B) Carries oxygen and carbon dioxide. C) Helps form clots and scabs. D) Prevents the growth of algae in your blood. Show Answer Correct Answer: A) Help fight disease by making antibodies. 53. Pumps deoxygenated blood to the lungs A) Right atrium. B) Left atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: D) Right ventricle. 54. Which one is the universal donor? A) AB-. B) 0-. C) A+. D) AB+. Show Answer Correct Answer: B) 0-. 55. Where does the blood with lots of carbon dioxide go? A) Lungs. B) Stomach. C) Colon. D) Toes. Show Answer Correct Answer: A) Lungs. 56. When the ventricles empty, this is known as: A) Systemic. B) Diastole. C) Systole. D) Thump thump. Show Answer Correct Answer: C) Systole. 57. Where do nutrients get diffused into the bloodstream? A) Esophagus. B) Epiglottis. C) Trachea. D) Villi. E) Alveoli. Show Answer Correct Answer: D) Villi. 58. The variable the is changed on purpose is ..... A) Dependent Variable. B) Independent Variable. C) Constant. D) Control. Show Answer Correct Answer: B) Independent Variable. 59. Is your pulse rate always the same? A) Yes. B) No. Show Answer Correct Answer: B) No. 60. In the presence of thrombin, the blood protein fibrinogen is converted into an insoluble protein called ..... It forms a soft network in which the red blood cells and plasma get entangled. The resulting jellylike red mass is clot A) Lymph. B) Phagocytes. C) Thrombocytes. D) Fibrin. Show Answer Correct Answer: D) Fibrin. ← 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