This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 20 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the liquid component of blood? A) Plasma. B) White Blood Cells. C) Red Blood Cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 2. Why do arteries need to be strong and elastic? A) To prevent high blood pressure. B) To transport blood from the heart. C) To carry blood back to the heart. D) To exchange substances with cells. Show Answer Correct Answer: A) To prevent high blood pressure. 3. What are the functions of the tricuspid and bicuspid valves? A) Prevent blood from leaking back into he ventricles. B) Prevent blood from leaking back into the atria. C) Allow blood to flow into the atria. D) Allow blood to leave the ventricles. Show Answer Correct Answer: B) Prevent blood from leaking back into the atria. 4. Atrial contraction lasts A) 0.3 sec. B) 0.1 sec. C) 0.4 sec. D) 0.8 sec. Show Answer Correct Answer: B) 0.1 sec. 5. The friction blood encounters as it flows through the vessels is called: A) Stroke volume. B) Diastolic pressure. C) Cardiac output. D) Peripheral resistance. Show Answer Correct Answer: D) Peripheral resistance. 6. (circulatory system) a physician specializing in diseases of the blood. A) Serologist. B) Phlebotomist. C) Hematologist. D) None of above. Show Answer Correct Answer: C) Hematologist. 7. Actions which are NOT under your control A) Voluntary. B) Vertebrae. C) Involuntary. D) Brain. Show Answer Correct Answer: C) Involuntary. 8. Which blood cells are most abundant in the body? A) Lymphocytes. B) Platelets. C) Eosinophils. D) Erythrocytes. Show Answer Correct Answer: D) Erythrocytes. 9. What is the purpose of capillaries? A) To allow oxygen only to pass between vessels and your cells. B) To allow waste only to pass between vessels and your cells. C) To allow water only to pass between vessels and your cells. D) To allow oxygen and waste to pass between vessels and your cells. Show Answer Correct Answer: D) To allow oxygen and waste to pass between vessels and your cells. 10. Fiber like substance formed to entangle wound and stops blood flow out of wound..... A) Fibrinogen Fibrinogen. B) Fibrin Fibrin. C) Both. D) Thrombokainase Thrombokinase. Show Answer Correct Answer: B) Fibrin Fibrin. 11. Hydraulic function is one of the functions of A) Plasma protein. B) Blood. C) Heart. D) Blood vessels. Show Answer Correct Answer: B) Blood. 12. "Transports nutrients, oxygen, and cellular waste throughout the body" describes which system A) Respiratory System. B) Circulatory System. Show Answer Correct Answer: B) Circulatory System. 13. The left side of your heart pumps ..... around the rest of your body. A) Oxygen-poor blood. B) Oxygen-rich blood. Show Answer Correct Answer: B) Oxygen-rich blood. 14. Blood flows through your small intestine to top up its A) Oxygen. B) Glucose. C) Both are true. D) Both are false. Show Answer Correct Answer: B) Glucose. 15. Why is blood blue? A) It has oxygen. B) It does not have oxygen. C) It is colored blue. D) None of above. Show Answer Correct Answer: B) It does not have oxygen. 16. Which one of these is false about the heart? A) It contains deoxygenated blood. B) It contains oxygenated blood. C) It helps in filtration of blood. D) It houses the roots of many veins and arteries. Show Answer Correct Answer: C) It helps in filtration of blood. 17. Through which vessel does oxygen-rich blood leave the heart to be distributed throughout the body? A) Pulmonary Artery (Left). B) SVC (Superior Vena Cava). C) Pulmonary Veins (Left). D) Aorta. Show Answer Correct Answer: D) Aorta. 18. What is the most complex structure? A) Tissue. B) Organ. C) Organ System. D) Cell. Show Answer Correct Answer: C) Organ System. 19. Type of veins/arteries supplying blood to the heart muscle itself A) Pulmonary. B) Perfusion. C) Capillary. D) Coronary. Show Answer Correct Answer: D) Coronary. 20. What happens to blood pressure in arteries as a result of the heart's contractions? A) Remains constant. B) Increases. C) Fluctuates. D) Decreases. Show Answer Correct Answer: B) Increases. 21. The types of White Blood Cells that have function to against bacteria and digest it, are ..... A) Neutrophil and eosinophil. B) Monocyte and lymphocyte. C) Neutrophil and monocyte. D) Monocyte and basophil. Show Answer Correct Answer: C) Neutrophil and monocyte. 22. Helps wounds stop bleeding A) White Blood Cells. B) Platelets. C) White Blood Cells. D) Plasma. Show Answer Correct Answer: B) Platelets. 23. Valves are present in which type of blood vessels? A) Capillaries. B) Arteries. C) Veins. D) All of the above. Show Answer Correct Answer: C) Veins. 24. Right and left side of heart pump blood at the same time A) True. B) False. Show Answer Correct Answer: A) True. 25. What is the purpose of circulation? A) Supply O2 and nutrients and remove waste. B) Break down the food. C) Get oxygen into the lungs. D) To get blood into the organs. Show Answer Correct Answer: A) Supply O2 and nutrients and remove waste. 26. The organ that pump the blood A) Heart. B) Lungs. C) Stomach. D) Brain. Show Answer Correct Answer: A) Heart. 27. The pulmonary veins carry blood rich in ..... A) Carbon dioxide. B) Oxygen. Show Answer Correct Answer: B) Oxygen. 28. If a person receives a blood transfusion that contains blood with a foreign glycoprotein, that person's body will produce antibodies that will attach to those foreign antigens. The blood cells will clump in a process called ..... and the transfusion will not be successful. A) Plasmapheresis. B) Leukoreduction. C) Plateletpheresis. D) Agglutination. Show Answer Correct Answer: D) Agglutination. 29. What is recovery time? A) Your heart rate when you finish exercising. B) The amount of time it takes your heart rate to return to its resting heart rate after exercise. C) The amount of time it takes to exercise. D) The amount of time it takes to reach your max heart rate. Show Answer Correct Answer: B) The amount of time it takes your heart rate to return to its resting heart rate after exercise. 30. Which lists the path of blood through the three types of blood vessels correctly? A) Arteries-Capillaries-Veins. B) Capillaries-Arteries-Veins. C) Veins-Capillaries-Arteries. D) Arteries-Veins-Capillaries. Show Answer Correct Answer: A) Arteries-Capillaries-Veins. 31. The blood flowing within the pulmonary artery travels to which part of the circulatory system next? A) Lungs. B) Left atrium. C) Left ventricle. D) Pulmonary veins. Show Answer Correct Answer: D) Pulmonary veins. 32. Blood vessels run from the heart to the ....., around the body and back to the heart. A) Stomach. B) Brain. C) Liver. D) Lungs. Show Answer Correct Answer: D) Lungs. 33. What type of animals have a closed circulatory system? A) Mammals. B) Birds. C) Fish. D) Insects. Show Answer Correct Answer: A) Mammals. 34. Below are the main parts involves in the human blood circulatory system, except ..... A) Blood. B) Heart. C) Lungs. D) Blood vessels. E) Brain. Show Answer Correct Answer: E) Brain. 35. The blood type which is known as the universal recipient. A) O+. B) O-. C) AB+. D) AB-. Show Answer Correct Answer: C) AB+. 36. This valve allows the passage of blood from the right ventricle to the pulmonary artery: A) Pulmonary Valve. B) Tricuspid Valve. C) Aortic Valve. D) Mitral Valve. Show Answer Correct Answer: A) Pulmonary Valve. 37. What is blood pressure measured in? A) Mm Hg. B) Bpm. Show Answer Correct Answer: A) Mm Hg. 38. Major vein that returns deoxygenated blood back to the heart. A) Atria. B) Vena cava. C) Ventricle. D) Aorta. Show Answer Correct Answer: B) Vena cava. 39. In the heart, what is the name of the upper, thin-walled chamber through which blood is pumped to the ventricles? A) Atrium. B) Ventricles. C) Veins. D) Valves. Show Answer Correct Answer: A) Atrium. 40. At the back of the page it gives us an extra fact telling us if we add veins, capillariies and arteries, how many miles would it go? A) 60, 000 miles. B) 20, 000. C) 125 miles. D) 25 miles. Show Answer Correct Answer: A) 60, 000 miles. 41. What is the correct order of the levels of cell organization from simplest (smallest) to most complex (biggest)? A) Cell, Tissue, Organ, Organ System, Organism. B) Tissue, Cell, Organ, Organ System, Organism. C) Cell, Organ, Tissue, Organ System, Organism. D) Organism, Tissue, Cell, Organ system, Organ. Show Answer Correct Answer: A) Cell, Tissue, Organ, Organ System, Organism. 42. Which type of energy transformation occurs when a flashlight shines? A) Thermal $\rightarrow$ chemical $\rightarrow$ light. B) Chemical $\rightarrow$ electrical $\rightarrow$ chemical. C) Chemical $\rightarrow$ electrical $\rightarrow$ light. D) Chemical $\rightarrow$ thermal $\rightarrow$ electrical. Show Answer Correct Answer: C) Chemical $\rightarrow$ electrical $\rightarrow$ light. 43. It is a serious condition affecting the brain that requires prompt treatment to lower the risk of lasting complications or death. (Neurological) A) Encephalitis. B) Chikungunya. C) Septicemia. D) None of above. Show Answer Correct Answer: A) Encephalitis. 44. Platelets will help in A) Flow of blood. B) Clotting of blood. C) Coloring of blood. D) None of above. Show Answer Correct Answer: B) Clotting of blood. 45. What two systems work together to supply the body with oxygen? A) Respiratory and muscular. B) Respiratory and circulatory. C) Circulatory and digestive. D) Muscular and digestive. Show Answer Correct Answer: B) Respiratory and circulatory. 46. How many parts does blood have? A) 2. B) 1. C) 4. D) 3. Show Answer Correct Answer: C) 4. 47. Which of the following statements best describes xylem's function in the plant? A) Transpports water and minerals up from the roots to the rest of the plant. B) Transports food down from the leaves to the rest of the plant. C) Transports water and minerals down from the roots to the rest of the plant. D) Transports food up from the leaves to the rest of the plant. Show Answer Correct Answer: A) Transpports water and minerals up from the roots to the rest of the plant. 48. When you breathe in air, you bring oxygen into your lungs and blow out ..... ? A) Carbon monoxide. B) Hydrogen. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 49. Pump is to heart as circulating fluid is to ..... A) Blood. B) Valves. C) Water. D) Blood vessels. E) Pipes. Show Answer Correct Answer: A) Blood. 50. Which is one of the 3 WALLS of the heart? A) Myocardium. B) Pericardium. C) Visceral pericardium. D) Parietal pericardium. Show Answer Correct Answer: A) Myocardium. 51. Need of circulatory system in multicellular organisms ..... A) No need. B) To overcome the load of substances to be circualted. C) To overcome unnecessary late in transportation of substances. D) All the above. Show Answer Correct Answer: C) To overcome unnecessary late in transportation of substances. 52. Which list correctly orders the terms from least complex to most complex? A) Circulatory system-cardiac muscle cell-heart-bird. B) Bird-cardiac muscle cell-circulatory system-heart. C) Cardiac muscle cell-heart-circulatory system-bird. D) Heart-circulatory system-bird-cardiac muscle cell. Show Answer Correct Answer: C) Cardiac muscle cell-heart-circulatory system-bird. 53. Why does gas exchange in the capillaries and not the veins/arteries? A) Capillaries have thicker walls. B) Capillaries have thinner walls. C) Capillaries are better. D) Capillaries are larger. Show Answer Correct Answer: B) Capillaries have thinner walls. 54. This type of blood cell is responsible for fighting against infection, parasites, and bacteria, as well as producing antibodies which fight and remember germs. A) Macrophages. B) Red Blood Cells. C) White Blood Cells. D) Platelets. Show Answer Correct Answer: C) White Blood Cells. 55. This allows us to develop an artificial immunity to a disease without ever getting sick from the disease. A) Antibiotics. B) Vaccines. C) Blood transfusions. D) None of above. Show Answer Correct Answer: B) Vaccines. 56. A thin flap of tissue that acts like a one-way door A) Valve. B) Ventricles. C) Septum. D) Atria. Show Answer Correct Answer: A) Valve. 57. What layer of the heart muscle is 2nd most superficial? A) Myocardium. B) Pericardium. C) Endocardium. D) Epicardium. Show Answer Correct Answer: D) Epicardium. 58. The largest artery is called ..... A) Vena cava. B) Ventricle. C) Aorta. D) Atrium. Show Answer Correct Answer: C) Aorta. 59. Several organs that work together make up A) Organ system. B) Circulatory system. C) Cells. D) Organs. Show Answer Correct Answer: A) Organ system. 60. The "semilunars" include A) Mitral and tricuspid. B) Aortic and pulmonary. C) Bicuspid and aortic. D) Tricuspid and pulmonary. Show Answer Correct Answer: B) Aortic and pulmonary. ← 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