This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 106 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 106 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The main artery supplying oxygenated blood at high pressure to all tissues and organs in the body is ..... A) Pulmonary artery. B) Hepatic artery. C) Aorta. D) Vena cava. Show Answer Correct Answer: C) Aorta. 2. Large blood circulation A) Heart (left ventricle) $\rightarrow$ all body tissues $\rightarrow$ heart (right atrium). B) Heart (right ventricle) $\rightarrow$ lungs $\rightarrow$ heart (left atrium). Show Answer Correct Answer: A) Heart (left ventricle) $\rightarrow$ all body tissues $\rightarrow$ heart (right atrium). 3. If a person has coronary heart surgery the heart is cut on to bypass vessels that are clogged, what is the acronym for the surgery? A) BAG. B) BAG. C) CAB. D) CABG. Show Answer Correct Answer: D) CABG. 4. MUSCULAR SYSTEM:What is the purpose of a synergist A) Assists the prime mover. B) Counteract the working muscle. C) Fixate a muscle to bone. D) Stabilise the muscle. Show Answer Correct Answer: A) Assists the prime mover. 5. What is the meaning of "pressure" ? A) Press. B) Pressure. C) Render. D) None of above. Show Answer Correct Answer: B) Pressure. 6. Hardening of the arteries due to plaque. A) Myocardial infarction. B) High blood pressure. C) Atherosclerosis. D) Arrhythmia. Show Answer Correct Answer: C) Atherosclerosis. 7. Blood pressure is measured using ..... numbers. A) 4. B) 6. C) 2. D) 3. Show Answer Correct Answer: C) 2. 8. Freshly oxygenated blood is delivered to the ..... and then it passes into the ..... to be pumped to the entire body. A) Left ventricle; left atrium. B) Left atrium; left ventricle. C) Right ventricle; right atrium. D) Right atrium; right ventricle. Show Answer Correct Answer: B) Left atrium; left ventricle. 9. This type of organism performs all of life processes within a single cell. A) Unicellular. B) Multicellular. Show Answer Correct Answer: A) Unicellular. 10. ..... squirt the blood out. A) Atria. B) Ventricles. C) Aorta. D) Chamber. Show Answer Correct Answer: B) Ventricles. 11. Iron-rich protein molecules that releases the oxygen when red blood cells enter the capillaries and come into close contact with body cells A) Haemoglobin. B) Platelets. C) White blood cells. D) Plasma. Show Answer Correct Answer: A) Haemoglobin. 12. What carries oxygenated blood? A) Arteries. B) Veins. Show Answer Correct Answer: A) Arteries. 13. Which system circulates between the heart and the body? A) Diastolic. B) Pulmonary. C) Systolic. D) Systemic. Show Answer Correct Answer: D) Systemic. 14. This valve directs blood into the aorta A) Aortic valve. B) Pulmonary valve. C) Tricuspid valve. D) Mitral (bicuspid) valve. Show Answer Correct Answer: A) Aortic valve. 15. The brachial artery is found in the A) Chest. B) Head/neck. C) Arms. D) Legs. Show Answer Correct Answer: C) Arms. 16. Which part of the heart separates left side and the right side of the heart A) Valves. B) Arteries. C) Septum. D) None of the above. Show Answer Correct Answer: C) Septum. 17. Blood leaves your hear in ..... A) Veins. B) Arteries. C) Capillaries. D) Vessels. Show Answer Correct Answer: B) Arteries. 18. ..... (is) are the liquid part of the blood. A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 19. How many atria are there? A) 7. B) 2. C) 1. D) 4. Show Answer Correct Answer: B) 2. 20. The Blood Vessels where the exchange of Oxygen and CO2 (carbon dioxide) takes place are the ..... A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 21. A ventricle is a part of the heart that ..... blood. A) Shoots. B) Receives. C) Pumps. D) Stores. Show Answer Correct Answer: C) Pumps. 22. Arteries carry oxygenated and deoxygenated blood away from the heart. A) False. B) True. Show Answer Correct Answer: B) True. 23. Location of sinoatrial node: A) Myocardium of interatrial septum. B) Boundary of right atrium and superior vena cava. Show Answer Correct Answer: B) Boundary of right atrium and superior vena cava. 24. Anemia could be caused by a lack of: A) Monocytes. B) Hemoglobin. C) Plasma. D) Thrombocytes. Show Answer Correct Answer: B) Hemoglobin. 25. -Large lumen-No valve-One cell thick A) Artery. B) Capillary. C) Vein. D) None of above. Show Answer Correct Answer: B) Capillary. 26. Who was the person who discovered the blood groups? A) Albert Einstein. B) Isaac Newton. C) Karl Landsteiner. D) Virologist Jimmy Benny. Show Answer Correct Answer: C) Karl Landsteiner. 27. There are three types of vessels: A) Only capillaries. B) Only capillaries. C) Arteries, veins and capillaries. D) Arteries, valves and capillaries. Show Answer Correct Answer: C) Arteries, veins and capillaries. 28. True or false? When you count pulse beats, you are also counting heartbeats. A) False. B) True. Show Answer Correct Answer: B) True. 29. Lower chamber of the heart that pumps blood out A) Pulmonary. B) Ventricle. C) Aorta. D) Atrium. Show Answer Correct Answer: B) Ventricle. 30. The veins carry the blood A) Into the heart. B) Away from the heart. Show Answer Correct Answer: A) Into the heart. 31. Why do arteries have very thick muscle layers? A) To cool down the blood. B) To absorb nutrients from the blood. C) To prevent blood from flowing. D) To squeeze the blood around the body. Show Answer Correct Answer: D) To squeeze the blood around the body. 32. The left and right pulmonary veins carry blood to which organ? A) Heart. B) Kidneys. C) Brain. D) Lungs. Show Answer Correct Answer: A) Heart. 33. Blood flows from left atrium to left ventricle through which valve? A) Mitral. B) Tricuspid. C) Pulmonary. D) Aortic. Show Answer Correct Answer: A) Mitral. 34. What begins the process of mechanical breakdown? A) The mouth. B) The esophagus. C) The pancreas. D) None of above. Show Answer Correct Answer: A) The mouth. 35. Effect of blood pressure on arteries ..... A) Traces little. B) More is more. C) Negligible is almost non-existent. D) Less. Show Answer Correct Answer: B) More is more. 36. The oxygenated bllod return to the heart through ..... A) Arteries. B) Chambers. C) Lungs. D) Via pulmonary vein. Show Answer Correct Answer: D) Via pulmonary vein. 37. The oxygen-carrying protein in blood A) Plasma. B) Platelets. C) Blood. D) Hemoglobin. E) White Blood Cells. Show Answer Correct Answer: D) Hemoglobin. 38. Which of these vessels carry unoxygenated blood back to the heart? A) Capsize. B) Capillaries. C) Arteries. D) Veins. Show Answer Correct Answer: D) Veins. 39. The Respiratory System is the body's: A) Food processing system. B) Blood transporting system. C) Breathing system. D) System of nerves. Show Answer Correct Answer: C) Breathing system. 40. What organ removes waste from blood? A) Kidneys. B) Heart. C) Nose. D) Lungs. Show Answer Correct Answer: A) Kidneys. 41. It is also known as a windpipe a hollow tube where air passes through. A) Trachea. B) Bronchi. C) Larynx. D) Pharynx. Show Answer Correct Answer: A) Trachea. 42. A pulse is the measure of blood against the wall of an artery. A) True. B) False. Show Answer Correct Answer: A) True. 43. What is the function of the circulatory system when blood carries away waste materials like CO2 called? A) Elimination. B) Transportation. Show Answer Correct Answer: A) Elimination. 44. The epicardium is the ..... layer of the heart. A) MIDDLE. B) INNERMOST. C) OUTSIDE. D) None of above. Show Answer Correct Answer: C) OUTSIDE. 45. Which one is NOT the function of simple squamous cell of the capillary? A) Diffusion of substance. B) Permit gas exchange. C) Secrete mucous. D) Active transport of materials. Show Answer Correct Answer: C) Secrete mucous. 46. Which of the following substances are transported by the blood? A) All of the above. B) O2. C) Glucose. D) Urea. Show Answer Correct Answer: A) All of the above. 47. Where does the blood take oxygen from? A) Lungs. B) Small intestine. C) Kidneys. D) None of above. Show Answer Correct Answer: A) Lungs. 48. The main job of the circulatory system is A) Support. B) Transport of materials. C) Response. D) Photosynthesis. Show Answer Correct Answer: B) Transport of materials. 49. Throat; Passageway for food to the esophagus and air to the larynx A) Pharynx. B) Alveoli. C) Nasal cavity. D) Cancer. Show Answer Correct Answer: A) Pharynx. 50. Blood vessels of the Heart:Send the blood from the right ventricle to the lungs A) Vena cava. B) Pulmonary artery. C) Interior vena cava. D) None of above. Show Answer Correct Answer: B) Pulmonary artery. 51. Which vessel is responsible for returning oxygen poor blood to the heart? A) Pulmonary artery. B) Aorta. C) Pulmonary vein. D) Vena cava. Show Answer Correct Answer: D) Vena cava. 52. Deoxygenated blood leaves the heart here. A) Right ventricle. B) Left ventricle. C) Left atrium. D) Right atrium. Show Answer Correct Answer: A) Right ventricle. 53. Which organ of our body pumps blood throughout the body A) Liver. B) Heart. C) Kidney. D) All the above. Show Answer Correct Answer: B) Heart. 54. ..... are one of two large chambers that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs. A) Atrium. B) Valve. C) Ventricle. D) None of above. Show Answer Correct Answer: C) Ventricle. 55. Oxygenated means the blood has a lot of ..... A) Carbon Dioxide. B) Oxygen. Show Answer Correct Answer: B) Oxygen. 56. True or False:Breathing in particulates can damage your lungs permanently A) False. B) This is not an answer, don't click here. C) This is not an answer, don't click here. D) True. Show Answer Correct Answer: D) True. 57. Your heart (ventricles) pumps blood throughout your entire body through little tubes called ..... A) No correct answer. B) Arteries. C) Veins. D) Blood capillaries. Show Answer Correct Answer: B) Arteries. 58. The arteries carry blood at a A) Low pressure. B) High pressure. Show Answer Correct Answer: B) High pressure. 59. The center of the circulatory system: A) Arteries. B) Veins. C) Capillaries. D) Heart. Show Answer Correct Answer: D) Heart. 60. What does the word part Leuk/o mean? A) Healthy. B) Cell. C) White. D) Red. Show Answer Correct Answer: C) White. ← 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