This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 63 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Platelets aren't cells. True or False? A) False. B) True. Show Answer Correct Answer: B) True. 2. The ..... and ..... valves let blood flow from the atria to the ventricles. A) Aortic / pulmonary. B) Mitral /tricuspid. Show Answer Correct Answer: B) Mitral /tricuspid. 3. Receiving chambers A) Ventricles. B) Septum. C) Atrium. D) Superior and inferior venae cava. E) Tricuspid valve. Show Answer Correct Answer: C) Atrium. 4. What do you call to the condition wherein the red blood cell count stays persistently low. A) Leukemia. B) Anemia. C) Stroke. D) Hemophilia. Show Answer Correct Answer: B) Anemia. 5. Which of the following helps you stay healthy by destroying pathogens? A) White blood cells. B) Platelets. C) Plasma. D) Red blood cells. Show Answer Correct Answer: A) White blood cells. 6. A group of cells that have similar structures and work together are A) Valves. B) Antigens. C) White Blood Cells. D) Tissues. Show Answer Correct Answer: D) Tissues. 7. What are the super small blood vessels called that let the Oxygen out of the blood to the tissues that need it? A) Capillaries. B) Arteries. C) Worm holes. D) Veins. Show Answer Correct Answer: A) Capillaries. 8. Calculate cardiac output (in litres per minute or L/min) for an individual with a heart rate of 70bpm and a stroke volume of 100ml) A) Q = 8L/min. B) Y = HL/min. C) S = solution/of. D) S = say/of. Show Answer Correct Answer: C) S = solution/of. 9. What kind of blood vessel carries deoxygenated blood toward the heart? A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: A) Veins. 10. What is the function of veins in the body? A) To transport and carry oxygenated blood to the body's tissues. B) To carry and transport deoxygenated blood back to the heart & lungs. C) To contract to allow air to enter the lungs. D) To ensure that there is enough oxygen in the blood. Show Answer Correct Answer: B) To carry and transport deoxygenated blood back to the heart & lungs. 11. Provides feedback on body positioning based on sensory information; muscle control, balance, and coordination A) Cerebrum. B) Cerebellum. C) Medulla. D) None of above. Show Answer Correct Answer: B) Cerebellum. 12. The ..... is about the size of a fist and is always circulating blood through the body. A) Lungs. B) Liver. C) Brain. D) Heart. Show Answer Correct Answer: D) Heart. 13. Which is the correct order of blood flow through the RIGHT side of the heart? A) Bicuspid Valve, Right Ventricle, Right Atrium, Vena Cava. B) Right Ventricle, Tricuspid Valve, Right Atrium, Aorta. C) Right Atrium, Bicuspid Valve, Right Ventricle, Pulmonary Valve. D) Vena Cava, Right Atrium, Tricuspid Valve, Right Ventricle. Show Answer Correct Answer: D) Vena Cava, Right Atrium, Tricuspid Valve, Right Ventricle. 14. Right atrium2. left atrium3. right ventricle4. left ventricle5. vena cava6. aorta7. pulmonary artery8. pulmonary veins9. Lungs10. Body/CellsWhat is the correct order for the flow of blood returning to the heart from the organs/cells? A) 9, 1, 2, 6, 5, 3, 4, 7, 8, 10. B) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. C) 7, 2, 4, 6, 10, 5, 1, 3, 8, 9. D) 5, 1, 3, 8, 9, 7, 2, 4, 6, 10. Show Answer Correct Answer: C) 7, 2, 4, 6, 10, 5, 1, 3, 8, 9. 15. What does blood deliver? A) Nourishing. B) Straight forward. C) Hormones. D) All mentioned. Show Answer Correct Answer: D) All mentioned. 16. What is your body's process of maintaining balanced conditions? A) Homeostasis. B) Photosyntheis. C) Regulation. D) Circulation. Show Answer Correct Answer: A) Homeostasis. 17. What do we call the movement of blood through the heart and around the body? A) Digestion. B) Circulation. Show Answer Correct Answer: B) Circulation. 18. Where does the blood that enters the left atrium come from? A) Lungs. B) Brain. C) Body. D) None of above. Show Answer Correct Answer: A) Lungs. 19. Which part of the blood helps with clotting? A) White blood cells. B) Plasma. C) Platelets. D) Red blood cells. Show Answer Correct Answer: C) Platelets. 20. A patient was diagnosed with a disease which affected the red blood cells, how would this affect the patient? A) Reduced ability to transport oxygen throughout the body. B) Reduced function to the right atrium. C) Reduced ability to fight against pathogens. D) Reduced ability to produce blood clots. E) Reduced function to the left atrium. Show Answer Correct Answer: A) Reduced ability to transport oxygen throughout the body. 21. Which of the following is true about red blood cells? A) They contain haemoglobin. B) They carry CO2 to the cells. C) They provide immunity. D) They contain a big nucleus. Show Answer Correct Answer: A) They contain haemoglobin. 22. The valve that is located between the left atrium and the left ventricle A) Pulmonary Valve. B) Mitral Valve. C) Aortic Valve. D) Tricuspid Valve. Show Answer Correct Answer: B) Mitral Valve. 23. What is the narrow blood vessels that covers the alveoli? A) Cilia. B) Capillaries. C) Epiglottis. D) Voice box. Show Answer Correct Answer: B) Capillaries. 24. Find out the incorrect statement among the following. A) The heart is a pear shaped structure. B) It is wider at the anterior end and narrower at the posterior end. C) Heart is divided into 4 chambers. D) The upper two chambers are called ventricles and the lower two chambers are called Auricles. Show Answer Correct Answer: D) The upper two chambers are called ventricles and the lower two chambers are called Auricles. 25. What is the function of pulmonary veins? A) Carry deoxygenated blood to the lungs. B) Carry oxygenated blood to the body. C) Deliver oxygen and glucose to the heart. D) Prevent backflow of blood. Show Answer Correct Answer: B) Carry oxygenated blood to the body. 26. Which of the following substances are carried by the blood A) Carbon dioxide. B) Essential nutrients. C) Oxygen. D) All of the above. Show Answer Correct Answer: D) All of the above. 27. Where is your heart located? A) Left side of your chest. B) Right side of your chest. Show Answer Correct Answer: A) Left side of your chest. 28. Chamber of the heart that receives high oxygen blood from the lungs A) Left atrium. B) Right atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: A) Left atrium. 29. A ..... is the basic unit of living things. A) Vacuoles. B) Cell. C) Nutrient. D) Brain. Show Answer Correct Answer: B) Cell. 30. The time frame from the beginning of one contraction to the next is called the A) Refractory period. B) Systole. C) Peripheral resistance. D) Cardiac cycle. Show Answer Correct Answer: D) Cardiac cycle. 31. Which vessel has thinner walls than arteries? A) Vein. B) Artery. C) Lung. D) Capillary. Show Answer Correct Answer: A) Vein. 32. Carries blood from the left ventricle to the body A) Aorta. B) Four pulmonary veins. C) Inferior vena cava. D) Superior vena cava. Show Answer Correct Answer: A) Aorta. 33. ..... carries oxygen A) Red blood cells. B) Plasma. C) Platelets. D) White blood cells. Show Answer Correct Answer: A) Red blood cells. 34. Which type of circulation sends blood to the rest of the body to deliver oxygen and nutrients and back to the heart? A) Pulmonary. B) Systemic. Show Answer Correct Answer: B) Systemic. 35. What is the fourth part of the circulatory system A) Mouth. B) Lungs. C) Red blood cells. D) Small intestine. Show Answer Correct Answer: C) Red blood cells. 36. What prevents blood from passing back into the Left Atrium from the Left Ventricle? A) Aortic Valve. B) Pulmonary Valve. C) Tricuspid Valve or Right Atrioventricular Valve. D) Bicuspid Valve or Left Atrioventricular Valve. Show Answer Correct Answer: D) Bicuspid Valve or Left Atrioventricular Valve. 37. Mrs. Gallegos has a blood pressure reading of 140/90. The top number represents: A) Systolic pressure. B) Diastolic pressure. Show Answer Correct Answer: A) Systolic pressure. 38. What is the function of a heart-lung machine? A) To replace the function of the lung permanently. B) To improve the function of the lung temporarily. C) To replace the function of the heart temporarily. D) To replace the function of the heart permanently. Show Answer Correct Answer: C) To replace the function of the heart temporarily. 39. Which side of the heart receives oxygen-poor blood from the rest of the body and pumps it to the lungs. A) Left. B) Right. Show Answer Correct Answer: B) Right. 40. ..... protects bones from rubbing against each other. A) Cartilage. B) Tendons. C) Joints. D) Sutures. Show Answer Correct Answer: A) Cartilage. 41. Valves let blood..... A) Left to right. B) Under and over. C) Up and over. D) In and out. Show Answer Correct Answer: D) In and out. 42. Rate of heart beat is controlled by ..... A) Sympathetic nerves. B) Because of the difference. C) Cranial nerves. D) Spinal nerves. Show Answer Correct Answer: B) Because of the difference. 43. Which blood vessel carries oxygenated (oxygen rich blood) from lungs back to the heart? A) Right ventricle. B) Pulmonary arteries. C) Pulmonary veins. D) Aorta. Show Answer Correct Answer: C) Pulmonary veins. 44. Carries blood to kidneys- A) Renal arteries. B) Hepatic arteries. C) Fibular arteries. D) Tibial arteries. Show Answer Correct Answer: A) Renal arteries. 45. Veins carry blood into the ..... A) Liver. B) Lungs. C) Heart. D) Arteries. Show Answer Correct Answer: C) Heart. 46. This type of blood cell makes it possible for blood to clot and form scabs and bruises. A) Platelets. B) White blood cells. C) Plasma. D) Palate. Show Answer Correct Answer: A) Platelets. 47. ..... are very tiny blood vessels connecting the arteries and veins A) Arteries. B) Veins. C) Capillaries. D) Lungs. Show Answer Correct Answer: C) Capillaries. 48. It is a type of blood vessel that enable the blood to pumped from the heart? A) Plasma. B) Blood. C) Arteries. D) Capillary. Show Answer Correct Answer: C) Arteries. 49. What is the function of plasma in the blood? A) To fight infections. B) To clot the blood. C) To carry oxygen to the body's tissues. D) To keep the blood moving. Show Answer Correct Answer: D) To keep the blood moving. 50. What is the main role of lymphocytes? A) Engulf and digest microorganisms. B) Produce antibodies. C) Produce late. D) Clot blood. Show Answer Correct Answer: B) Produce antibodies. 51. Blood coming back from the body enters the heart in what structure? A) Right ventricle. B) Right atrium. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: B) Right atrium. 52. Which blood vessel carries oxygen and nutrients to cells? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 53. The opening and closing of the heart's ..... make the pump sound. A) Valves. B) Ventricles. C) Capillaries. D) Atria. Show Answer Correct Answer: A) Valves. 54. What is the role of the ventricles in the heart? A) To separate the left and right side of the heart. B) To refill with blood while the atria contract. C) To pump blood out of the heart to the body and lungs. D) To prevent blood from flowing backward. Show Answer Correct Answer: C) To pump blood out of the heart to the body and lungs. 55. Whose walls are thinner? A) Arteries. B) Veins. Show Answer Correct Answer: B) Veins. 56. Which blood group is the universal recipient? A) B. B) AB. C) A. D) O. Show Answer Correct Answer: B) AB. 57. What is carried by the blood, that is a requirement for cellular respiration A) Oxygen. B) Carbon dioxide. C) Hormones. D) None of above. Show Answer Correct Answer: A) Oxygen. 58. What blood type has no antigens? A) B. B) O. C) AB. D) A. Show Answer Correct Answer: B) O. 59. CAN RH-POSITIVE DONOR MIXES BLOOD WITH BLOOD OF RH-NEGATIVE RECIPIENT? A) YES. B) NO. Show Answer Correct Answer: B) NO. 60. Type of cell that functions to carry oxygen to tissues: A) White Blood Cell. B) Thrombocyte. C) Leukocyte. D) Erythrocyte. Show Answer Correct Answer: D) Erythrocyte. ← 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