This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 75 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 75 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the name of the largest artery (3 cm in diameter at its start!) A) Femoral. B) Aorta. C) Ulnar. D) Radial. Show Answer Correct Answer: B) Aorta. 2. The Circulatory system helps protect the body from disease. A) True. B) False. Show Answer Correct Answer: A) True. 3. Which body system transports oxygen and nutrients to all cells in the body? A) Circulatory system. B) Cardiovascular system. C) Both A & B. D) None of above. Show Answer Correct Answer: C) Both A & B. 4. ?-right atrium-Tricuspid valve-right ventricle-Pulmonary valve-pulmonary artery-lungs-Pulmonary veins-left atrium-mitral valve-left ventricle-aorta-rest of body A) SUPERIOR ARTERY. B) SUPERIOR VENA CAVA. C) SUPERIOR VEINS. D) PULMONARY VEINS. Show Answer Correct Answer: B) SUPERIOR VENA CAVA. 5. The aorta is the largest artery in the body. A) True. B) False. Show Answer Correct Answer: A) True. 6. Which blood vessel bring impure blood to heart A) He dreams. B) Veena cave. C) Aorta. D) Vena cava. Show Answer Correct Answer: D) Vena cava. 7. Name the process of transporting necessary substances of the cells and excretory products through the cell membrane. A) Transportation. B) Diffusion. C) Respiration. D) None of above. Show Answer Correct Answer: B) Diffusion. 8. What is the liquid component of blood called? A) Red Blood Cell. B) Platelets. C) Plasma. D) White Blood Cell. Show Answer Correct Answer: C) Plasma. 9. I carry blood at low pressure A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 10. Find the false statement A) The sequential event in the heart which is cyclically repeated is called the cardiac cycle. B) During a cardiac cycle, each ventricle pumps out approximately 70 mL of blood which is called the stroke volume. C) The stroke volume multiplied by the heart rate gives the cardiac output. D) Duration of a cardiac cycle is 0.8 minute. Show Answer Correct Answer: D) Duration of a cardiac cycle is 0.8 minute. 11. Tricuspid valve:(.x):.:. Bicuspid valve:(y) What are x and Y? Superior tricuspid valve:(x)::Superior bicuspid valve:(y) x and y mean? A) X Between right chambers Y Between left chambers X Between right chambersY Between left chambers. B) X Between left chambers Y Between right chambers X Between left chambers Y Between right chambers. C) Both. D) None is none. Show Answer Correct Answer: A) X Between right chambers Y Between left chambers X Between right chambersY Between left chambers. 12. These are the proteins on the membrane of the red blood cells. A) Donor. B) Antibodies. C) Agglutination. D) Antigens. Show Answer Correct Answer: D) Antigens. 13. The heart is located A) In the middle of the chest, but slightly towards the right. B) In the middle of the chest, but slightly towards the left. C) Below the chest. D) Exactly at the centre of the chest. Show Answer Correct Answer: B) In the middle of the chest, but slightly towards the left. 14. The blood in each side never mixes as it pumps both day and night. A) False. B) True. Show Answer Correct Answer: B) True. 15. What's the function of the white blood cells? A) They carry oxygen and carbon dioxide. B) They fight infections. C) When the body is losing blood, they help stop the bleeding. D) They carry the nutrients and waste products. Show Answer Correct Answer: B) They fight infections. 16. Venules are blood vessels that A) Break off into the capillaries from the arteries. B) Collect blood from the capillaries to go to the arteries. C) Break off into the capillaries from the veins. D) Collect blood from the capillaries to go to the veins. Show Answer Correct Answer: D) Collect blood from the capillaries to go to the veins. 17. Circulation is accomplished through the A) Veins. B) Arteries. C) Capillaries. D) All of the answers. Show Answer Correct Answer: D) All of the answers. 18. Every cell in the body gets blood from the heart except ..... A) Nail beds. B) Fingertips. C) Ear lobes. D) Corneas of the eyes. Show Answer Correct Answer: D) Corneas of the eyes. 19. The septum divides the left side of the heart from the right side A) False. B) True. Show Answer Correct Answer: B) True. 20. The blood goes from the ..... to the ..... from the vein A) 1. Other organs2. Head. B) 1. Heart2. Hand. C) 1. Other organs2. Heart. D) None of above. Show Answer Correct Answer: C) 1. Other organs2. Heart. 21. A measure of cardiac activity usually expressed as number of beats per minute A) Blood pressure. B) Cardiac output. C) Heart rate. D) Arteriole rate. Show Answer Correct Answer: C) Heart rate. 22. What does your blood carrying to all part of your body? A) Waste of our digestive system. B) Germs. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: C) Oxygen. 23. What is the name of the smooth lining inside of the heart? A) Epicardium. B) Myocardium. C) Pericardium. D) Endocardium. Show Answer Correct Answer: D) Endocardium. 24. COVID-19 infect one of the organs in circulatory system, which is ..... A) Lungs. B) Heart. C) Kidneys. D) Liver. Show Answer Correct Answer: A) Lungs. 25. Where does the oxygenated blood enter coming from the lungs? A) Superior Vena Cava. B) Inferior Vena Cava. C) Left Atrium. D) Pulmonary Veins. Show Answer Correct Answer: D) Pulmonary Veins. 26. They are the cells in charge of the body's defense: A) White blood cells. B) Animal cells. C) Vegetal cells. D) Red blood cells. Show Answer Correct Answer: A) White blood cells. 27. What parts of the circulatory system act like doors that control blood flow in the heart? A) Capillaries. B) Arteries. C) Valves. D) Ventricles. Show Answer Correct Answer: C) Valves. 28. What blood vessel connects the arteries and veins? A) Arteries. B) Vanes. C) Capillaries. D) Veins. Show Answer Correct Answer: C) Capillaries. 29. What gets deposited from the cells into the blood in the capillaries A) Carbon dioxide and waste. B) Oxygen and waste. C) Carbon dioxide and oxygen. D) Nitrogen and carbon dioxide. Show Answer Correct Answer: A) Carbon dioxide and waste. 30. What is the name of the artey that carries blood away from the heart? A) Capillaries. B) Aorta. C) Veins. D) Heart. Show Answer Correct Answer: B) Aorta. 31. Faster-than-normal heart rate. A) Capillary Refill. B) Myocardium. C) Bradycardia. D) Tachycardia. Show Answer Correct Answer: D) Tachycardia. 32. The function of the respiratory system is to: ..... oxygen and carbon dioxide with both inside and outside of your body A) Deliver. B) Exchange. C) Circulate. D) None of above. Show Answer Correct Answer: B) Exchange. 33. The muscular wall that divides the heart into right and left halves is called the A) Papillary layer. B) Septum. C) Aorta. D) Chordae tendinea. Show Answer Correct Answer: B) Septum. 34. The second DUBB is produced at the beginning of A) Ventricular systole. B) Auricular systole. C) Auricular diastole. D) Ventricular diastole. Show Answer Correct Answer: D) Ventricular diastole. 35. The human heart is an organ that pumps blood throughout the body supplying oxygen, nutrients, blood, and hormones to and from the tissues removing ..... and other wastes. A) Water molecules. B) Carbon dioxide. C) Carbon monoxide. D) Hydrogen dioxide. Show Answer Correct Answer: B) Carbon dioxide. 36. These types of blood cells carry oxygen. A) Red. B) Blue. C) White. D) Platelets. Show Answer Correct Answer: A) Red. 37. If you wanted to feel pressure waves in your body, where would you touch? A) Anywhere where you'd take your pulse, like your neck. B) Anywhere where there's a prominent bone. Show Answer Correct Answer: A) Anywhere where you'd take your pulse, like your neck. 38. There are ..... types of blood vessels. A) 2. B) 1. C) 4. D) 3. Show Answer Correct Answer: D) 3. 39. Which parts control the flow of blood from the atrium to the ventricle? A) Capillaries. B) Valves. C) Veins. D) Arteries. Show Answer Correct Answer: B) Valves. 40. True or False:Blood clotting in wounds (like a scrape) is beneficial to the body. A) True. B) False. Show Answer Correct Answer: A) True. 41. Why does the heart rate of a person increase when he/she exercises? A) To provide more carbon dioxide for respiration. B) To provide more blood for photosynthesis. C) To provide more oxygen and glucose to the cells to generate energy. D) To provide more nutrients to the vena cava. Show Answer Correct Answer: C) To provide more oxygen and glucose to the cells to generate energy. 42. In which list do all three blood vessels carry oxygenated blood? A) C vena cava, pulmonary artery, renal vein. B) B aorta, pulmonary vein, renal artery. C) D vena cava, pulmonary vein, renal vein. D) A aorta, pulmonary artery, renal artery. Show Answer Correct Answer: B) B aorta, pulmonary vein, renal artery. 43. DO THE VENA CAVA BRINGS DEOXYGENATED OR OXYGENATED BLOOD BACK TO HEART? A) OXYGENATED. B) DEOXYGENATED. Show Answer Correct Answer: B) DEOXYGENATED. 44. What gives blood its color? A) White blood cells. B) Plasma. C) Platelets. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 45. Which layer of the heart receive oxygenated blood? A) Left atrium. B) Left ventricle. C) Both a and b. D) None. Show Answer Correct Answer: C) Both a and b. 46. Which component of blood is responsible for fighting infections? A) Red blood cells. B) Plasma. C) Platelets. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 47. How many heart chambers do we have? A) 1. B) 3. C) 4. D) 2. Show Answer Correct Answer: C) 4. 48. Carries oxygen to all parts of the body A) White blood cells. B) Red blood cells. C) Platelet. D) Plasma. Show Answer Correct Answer: B) Red blood cells. 49. Which direction does the Diaphragm move to make you exhale (breathe out) A) Up. B) Down. C) Right. D) Left. Show Answer Correct Answer: A) Up. 50. Humans have a ..... circulatory system A) Closed. B) Open. Show Answer Correct Answer: A) Closed. 51. Positive blood can receive from who? A) Positive & Negative. B) Positive. C) Negative. D) None of above. Show Answer Correct Answer: A) Positive & Negative. 52. Hardening of the arteries due to plaque is called ..... A) Atherosclerosis. B) High blood pressure. C) Liver damage. D) Arrhythmia. Show Answer Correct Answer: A) Atherosclerosis. 53. Liquid portion of the blood A) Plasma. B) Leukocytes. C) Erythrocytes. D) Thrombin. Show Answer Correct Answer: A) Plasma. 54. What is the name of the blood vessel that the blood goes back to the heart through? A) Veins. B) Blood vessels. C) Arteries. D) None of above. Show Answer Correct Answer: A) Veins. 55. In which vessels are materials exchanged between the blood and the body cells? A) Capillaries. B) Veins. C) Lymphatic vessels. D) Arteries. Show Answer Correct Answer: A) Capillaries. 56. It pump blood to the different parts of the body A) Ventricles. B) Ears. C) Capillaries. D) Veins. Show Answer Correct Answer: A) Ventricles. 57. The oxygenated blood leaves the right ventricle and goes to A) Left ventricle. B) Lungs. C) Body. D) Heart. Show Answer Correct Answer: C) Body. 58. Where direction does O2 go into A) Alveoli. B) Capillaries. Show Answer Correct Answer: B) Capillaries. 59. The ..... system bring in the oxygen that the body needs. A) Skeletal. B) Outgrowths. C) Circulatory. D) Respiratory. Show Answer Correct Answer: D) Respiratory. 60. De-oxygenated blood flows into what atrium? A) Left. B) Top. C) Right. D) Bottom. Show Answer Correct Answer: C) Right. ← 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