This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 133 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 133 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Destroy microbes and dead cells. A) Leukocytes. B) Erythrocytes. C) Platelets. D) None of above. Show Answer Correct Answer: A) Leukocytes. 2. The four chambers of the heart are the ..... A) Right and left ventricles and atria. B) Right and left pulmonary arteries and veins. C) Right and left ventricles and pulmonary veins. D) Right and left atria and pulmonary veins. Show Answer Correct Answer: A) Right and left ventricles and atria. 3. Clear fluid that contains special white blood cells A) Lymph nodes. B) Tonsils. C) Lymph. D) Lymphocytes. Show Answer Correct Answer: C) Lymph. 4. What does the circulation of blood around the body provide to body cells? A) Oxygen. B) Nutrients. C) A way to get rid of waste. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. Which of the following is the main function of the respiratory system? A) Transport materials throughout the human body. B) Provide gas exchange between blood and air. C) Create red blood cells. D) Provide movement for the body. Show Answer Correct Answer: B) Provide gas exchange between blood and air. 6. What heart chambers contract to pump the blood? A) Both. B) Atria. C) Ventricles. D) None of above. Show Answer Correct Answer: A) Both. 7. Which of the following plays an important role in blood clotting? A) Platelets. B) Leucocytes. C) Blood plasma. D) Erythrocytes. Show Answer Correct Answer: A) Platelets. 8. What occurs when the heart muscles contract? A) Blood passes through the lungs. B) Blood flows into the heart. C) Blood is pushed out to the arteries. D) Blood picks up oxygen in exchange for CO2. Show Answer Correct Answer: C) Blood is pushed out to the arteries. 9. Pulse rate measures..... A) How many times the heart beats per second. B) Average number of times the heart beats per hour. C) How many times the heart beats per minute. D) How many times the heart beats in a lifetime. Show Answer Correct Answer: C) How many times the heart beats per minute. 10. The organ system that works closely with the respiratory system in gas exchange is the ..... A) Lymphatic system. B) Circulatory system. C) Digestive system. D) Excretory system. Show Answer Correct Answer: B) Circulatory system. 11. Respiratory System:gasesCirculatory System: ..... A) Carbon dioxide. B) Oxygen. C) Blood. D) Red blood cells. Show Answer Correct Answer: C) Blood. 12. A tiny blood vessel that allows for exchange between the blood and cells in the tissues in the body is called a A) Vein. B) Capillary. C) Blood vessel. D) Artery. Show Answer Correct Answer: B) Capillary. 13. The pulmonary artery is the artery that carries the blood to your heart from your lungs. A) True. B) False. Show Answer Correct Answer: B) False. 14. The sound dub arise by the closure of..... A) Aortic valve. B) Pulmonary valve. C) Both. D) Tricuspid valve. Show Answer Correct Answer: C) Both. 15. How many chambers is the heart divided into? A) THREE. B) TWO. C) FIVE. D) FOUR. Show Answer Correct Answer: D) FOUR. 16. The heart receives oxygen-rich blood from the lungs via the A) Pulmonary artery. B) Vena cava. C) Aorta. D) Pulmonary vein. Show Answer Correct Answer: D) Pulmonary vein. 17. What is the singular term for 'atria'? A) Atrium. B) Ventriculus. C) Valve. D) Chamber. Show Answer Correct Answer: A) Atrium. 18. Veins generally carry carbon dioxide rich blood back to the heart. A) False. B) True. Show Answer Correct Answer: B) True. 19. It refers to the exchange of gases that occurs between the blood and the blood cells. A) External Respiration. B) Internal Respiration. C) Breathing. D) Cellular Respiration. Show Answer Correct Answer: B) Internal Respiration. 20. How many minutes a day should you exercise? A) 60. B) 3 or 4. C) No more than 1 minute per day. D) None of above. Show Answer Correct Answer: A) 60. 21. Red blood cells move around the body through the ..... A) Circling system. B) Circulating system. C) Circulatory system. D) Circus system. Show Answer Correct Answer: C) Circulatory system. 22. Veins carry deoxygenated blood where? A) To the brain. B) Toward the heart. C) Away from the heart. D) To the body. Show Answer Correct Answer: B) Toward the heart. 23. What fibres allow the ventricles to contract? A) OF. B) Bundle of His. C) On. D) Purkinje. Show Answer Correct Answer: D) Purkinje. 24. What is the scientific name of heart? A) Lung. B) Arteries. C) Veins. D) Cardio. Show Answer Correct Answer: D) Cardio. 25. Heart disease can result in a reduced amount of oxygen moving properly through the body. Which body system does heart disease MOST directly affect? A) Digestive. B) Muscular. C) Circulatory. D) Skeletal. Show Answer Correct Answer: C) Circulatory. 26. The lower, discharging chambers of the heart are called ..... A) Coronary. B) Ventricles. C) Atria. D) Pulmonary. Show Answer Correct Answer: B) Ventricles. 27. Where can you find the heart in your body? A) Close to center, between your collarbones. B) The right side of your chest. C) The left side of your chest. D) Below the stomach. Show Answer Correct Answer: A) Close to center, between your collarbones. 28. Whole blood is processed through an apheresis machine that extracts plasma. The rest of the blood is returned to the donor. A) Plasmapheresis. B) Agglutination. C) Plateletpheresis. D) Leukoreduction. Show Answer Correct Answer: A) Plasmapheresis. 29. Blood goes to the lungs to ..... A) Pickup oxygen. B) Pickup carbon dioxide. Show Answer Correct Answer: A) Pickup oxygen. 30. Identify direction of blood flow below to describe CYCLE 2 of cardiac cycle. A) Blood moves into atrium and ventricle. B) Blood moves out of atrium into ventricle. C) Blood moves into atrium and out of ventricle. D) Blood moves out of both atrium and ventricle. Show Answer Correct Answer: B) Blood moves out of atrium into ventricle. 31. This component of the blood helps in the blood clotting process. A) WBC. B) RBC. C) Plasma. D) Platelets. Show Answer Correct Answer: D) Platelets. 32. What is protective double membrane covering over heart? A) Myocardium. B) Heart wall. C) Pericardium. D) None of the above. Show Answer Correct Answer: C) Pericardium. 33. Delivers oxygen to your body cells. Made in bone marrow. A) Lungs. B) Red blood cell. C) Respiratory system. D) White blood cell. Show Answer Correct Answer: B) Red blood cell. 34. There is a pulse on the top of your foot A) True. B) False. Show Answer Correct Answer: A) True. 35. The last stop for oxygen poor blood is the A) Pulmonary artery. B) Pulmonary valve. C) Lungs. D) Pulmonary vein. Show Answer Correct Answer: C) Lungs. 36. It is the terminology for the process of blood production. A) Hematoregenerist. B) Hematoformis. C) Hematopoiesis. D) Hematogenesis. Show Answer Correct Answer: C) Hematopoiesis. 37. Where does air go after the pharynx during inhalation? A) Trachea. B) Alveoli. C) Bronchi. D) Nose. Show Answer Correct Answer: A) Trachea. 38. What are the surface chemicals on an erythrocyte called? A) Antibodies. B) Antidotes. C) Antigens. D) Antiblood. Show Answer Correct Answer: C) Antigens. 39. Why is a myocardial infarction life threatening? A) Because a damaged heart cannot pump blood effectively. B) Because a minor bump or fall could lead to internal bleeding. C) Because it inhibits the exchange of oxygen and carbon dioxide in body cells. D) Because swollen veins lose elasticity which decreases blood flow to vital organs. Show Answer Correct Answer: A) Because a damaged heart cannot pump blood effectively. 40. What is it called when a blood vessel in the brain is clogged or ruptures? A) Brain freeze. B) Coronary artery disease. C) Stroke. D) Myocardial infarction. Show Answer Correct Answer: C) Stroke. 41. Your body's main source of energy A) Glucose. B) Ingested Liquid. C) Oxygen. D) Ingested Food. Show Answer Correct Answer: A) Glucose. 42. What system moves air into and out of the lungs? A) Respiratory. B) Digestive. C) Circulatory. D) Muscular. Show Answer Correct Answer: A) Respiratory. 43. Bradycardia-pulse rate ↓ than normalTachycardia-pulse rate ↑ than normal Is the statement above TRUE or FALSE? A) FALSE. B) TRUE. Show Answer Correct Answer: B) TRUE. 44. ..... begin large and wide at the heart. A) Blood platelets. B) Arteries. C) Veins. D) Blood capillaries. Show Answer Correct Answer: B) Arteries. 45. Where are RBCs produced in our body? A) Bone Marrow. B) Thymus. C) Spleen. D) Heart. Show Answer Correct Answer: A) Bone Marrow. 46. This regulates the functioning of the heart by creating relaxation and contraction in the muscle A) Circulatory System. B) Heart Function. C) Cardiac Muscle Tissue. D) Antibodies. Show Answer Correct Answer: C) Cardiac Muscle Tissue. 47. What is the function of the hepatic potal vein? A) To carry deoxygenated blood from the liver to the vena cava. B) To carry oxygenated blood from the Aorta to the liver. C) To carry deoxygenated blood from the small intestines to the Liver. D) To carry oxygenated blood from the liver to the vena cava. Show Answer Correct Answer: C) To carry deoxygenated blood from the small intestines to the Liver. 48. The nervous system includes sensory organs (eyes, ears, skin) A) True. B) False. Show Answer Correct Answer: A) True. 49. Beans and green vegetables are a good source of ....., which is good for your blood. A) Oxygen. B) Vitamin C. C) Sodium. D) Iron. Show Answer Correct Answer: D) Iron. 50. The heart layer that keeps blood from sticking to the inside of the heart and forming potentially deadly blood clots is called A) Pericardium. B) Endocardium. C) Epicardium. D) Myocardium. Show Answer Correct Answer: B) Endocardium. 51. Largest artery connected to the heart A) ARTERIOLES. B) AORTA. C) VENULES. D) VENA CAVA. Show Answer Correct Answer: B) AORTA. 52. All of the following describe platelets EXCEPT A) Have no color. B) Are flat and round. C) Are long thin fibers. D) Shaped like little plates. Show Answer Correct Answer: C) Are long thin fibers. 53. What are the functions of Pancreas? A) Helps in digestion and regulating blood pressure. B) Helps in digestion and regulating blood sugar. C) Helps in blood sugar regulation and produces insulin. D) Helps in blood sugar regulation and produces glucagon. Show Answer Correct Answer: B) Helps in digestion and regulating blood sugar. 54. Risk factors of Hypertension include: A) Family history. B) Being overweight and lack of physical activity. C) Consuming too much salt. D) High stress levels. E) All of the above. Show Answer Correct Answer: E) All of the above. 55. ..... fights infection A) Plasma. B) White blood cells. C) Platelets. D) Red blood cells. Show Answer Correct Answer: B) White blood cells. 56. They are produced in the bone marrow. Gas exchanged is the main function of these cells. A) White blood cells. B) Red blood cells. C) Platelets. D) None of above. Show Answer Correct Answer: B) Red blood cells. 57. The heart of a human contains ..... chamber(s). A) Four. B) Two. C) Three. D) One. Show Answer Correct Answer: A) Four. 58. What do valves do in the veins? A) Stop blood flowing backward. B) Pump blood through the veins. C) Block the blood. D) Nothing. Show Answer Correct Answer: A) Stop blood flowing backward. 59. Which of the following can be used to correct arrhythmia in the heart or cardiac arrest. A) CPR. B) Stethoscope. C) Sphygmomanometer. D) Defibrillator. Show Answer Correct Answer: D) Defibrillator. 60. Which of the following is NOT a characteristic of roots for absorbing water? A) Huge surface area. B) Presence of solution at higher concentration than soil water. C) Presence of pores for inflow of water. D) None of above. Show Answer Correct Answer: C) Presence of pores for inflow of water. ← 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