This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 84 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 84 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Unicellular organisms depend on the following simple phenomenon for transportation of nutrient and oxygen..... A) Diffusion. B) Osmosis Osmosis. C) Both. D) Specialized cells are specialized cells. Show Answer Correct Answer: C) Both. 2. The blood move back to the heart through the vein. A) True. B) False. C) I ain't a heart specialist. D) None of above. Show Answer Correct Answer: A) True. 3. Which part of the blood carries oxygen from the lungs to the rest of the body? A) Plasma. B) White blood cells. C) Red blood cells. D) Platelets. Show Answer Correct Answer: C) Red blood cells. 4. Oxygen-rich blood from the lungs enters the ..... through the pulmonary vein. A) Right Atrium. B) Left Ventricle. C) Left Atrium. D) Right Ventricle. Show Answer Correct Answer: C) Left Atrium. 5. In the systemic circuit, veins carry oxygen ..... blood A) Cannot tell. B) Rich. C) Poor. D) Neutral. Show Answer Correct Answer: C) Poor. 6. What is the largest artery A) Ulnar. B) Radial. C) Aorta. D) Femoral. Show Answer Correct Answer: C) Aorta. 7. These structures prevent the blood from backing up to the atria A) Arteries. B) Valves. C) Septum. D) Veins. Show Answer Correct Answer: B) Valves. 8. ..... are the smallest blood vessels found between arteries and veins. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 9. Arteries are fulled with blood with high concentration of ..... A) Urea. B) Oxygen. C) Ammonia. D) Nitrogen. Show Answer Correct Answer: B) Oxygen. 10. The upper chamber of the heart that receives oxygen-poor blood from the body is the ..... A) Left ventricle. B) Artery. C) Right atrium. D) Right ventricle. Show Answer Correct Answer: C) Right atrium. 11. The only reptile having 4-chambered heart is A) Snake. B) Lizard. C) Turtle. D) Crocodile. Show Answer Correct Answer: D) Crocodile. 12. Heartbeat rate and pulse are A) Always the same. B) Sometimes the same. C) Never the same. D) None of above. Show Answer Correct Answer: A) Always the same. 13. The Circulatory System is made up of how many components: A) 1. B) 4. C) 3. D) 2. Show Answer Correct Answer: C) 3. 14. Number of heart valves A) 3. B) 2. C) 5. D) 4. Show Answer Correct Answer: D) 4. 15. The blood in the pulmonary artery branches is ..... but relatively ..... A) Low in oxygen; high in carbon dioxide. B) High in carbon dioxide; low in oxygen. C) Both high levels in oxygen and carbon dioxide. D) Both levels in oxygen and carbon dioxide. Show Answer Correct Answer: A) Low in oxygen; high in carbon dioxide. 16. Mitral valve =..... A) Tricuspid valve. B) Aortic valve. C) Pulmonary valve. D) Bicuspid valve. Show Answer Correct Answer: D) Bicuspid valve. 17. We have..... Lungs A) 3. B) 1. C) To many. D) 2. Show Answer Correct Answer: D) 2. 18. This particular blood vessel carries oxygenated blood to the heart coming from the lungs. A) Pulmonary artery. B) Super vena cava. C) Inferior vena cava. D) Pulmonary vein. Show Answer Correct Answer: D) Pulmonary vein. 19. Which chambers of the heart do RBC always enter first? A) L/R Vein. B) L/R Atrium. C) L/R Aorta. D) L/R Artery. Show Answer Correct Answer: B) L/R Atrium. 20. When you feel your pulse beating against your skin, what are your really feeling? A) Your heart beating against your skin as it pumps blood throughout your body. B) Your arteries thumping against your skin as they pump blood throughout your body. C) Your veins thumping against your skin as they pump blood throughout your body. D) Your stomach growling very loudly because you are starving and pumping blood throughout your body. Show Answer Correct Answer: B) Your arteries thumping against your skin as they pump blood throughout your body. 21. Which statement about the human sex chromosomes is correct? A) A All boys have two Y chromosomes. B) B Everybody has at least one X chromosome. C) C Girls have a Y chromosome and an X chromosome. D) D Nobody has two X chromosomes. Show Answer Correct Answer: B) B Everybody has at least one X chromosome. 22. Pulse is the alternate expansion and recoil of the wall of the artery during A) Ventricular systole. B) Auricular systole. C) Ventricular diastole. D) Auricular diastole. Show Answer Correct Answer: A) Ventricular systole. 23. What is a group of heart cells that send out signals that make the heart muscle contract? A) Capillary. B) Artery. C) Valve. D) Pacemaker. Show Answer Correct Answer: D) Pacemaker. 24. What pushes food from the mouth to the stomach? A) Stomach. B) Gall bladder. C) Esophagus. D) None of above. Show Answer Correct Answer: C) Esophagus. 25. What are arterioles? A) Smooth muscle. B) Lungs. C) Blood. D) Thinner arteries. Show Answer Correct Answer: D) Thinner arteries. 26. Where does haemoglobin become oxyhaemoglobin? A) Heart. B) Lungs. C) Kidneys. D) Liver. Show Answer Correct Answer: B) Lungs. 27. What body system brings in needed oxygen into the body and releases carbon dioxide as waste. A) Circulatory. B) Muscular. C) Respiratory. D) Outgrowths. Show Answer Correct Answer: C) Respiratory. 28. Carry blood from the heart to the tissue A) Arteries. B) Veins. C) Blood capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 29. During an inhale, when the lungs inflate, how do the diaphragm and ribs move? A) The diaphragm moves down and the ribs move up and out. B) The diaphragm moves up and the ribs move up and out. C) The diaphragm moves up and the ribs move down and in. D) None of above. Show Answer Correct Answer: A) The diaphragm moves down and the ribs move up and out. 30. The sac that surrounds and protects the heart? A) Pericardium. B) Endocardium. C) Myocardium. D) Epicardium. Show Answer Correct Answer: A) Pericardium. 31. A woman has type B blood and her husband has type O blood. What must be the woman's genotype, if they have a child with type O blood? A) OO. B) BO. C) Type B. D) BB. Show Answer Correct Answer: B) BO. 32. The human heart has how many chambers? A) 2. B) 4. C) 6. D) None. Show Answer Correct Answer: B) 4. 33. Help with blood clotting A) Plasma. B) Platelets. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: B) Platelets. 34. ..... in the blood passes through the thin capillary walls into surrounding cells. A) Oxygen. B) Carbon dioxide. Show Answer Correct Answer: A) Oxygen. 35. What does the wall of muscle in the heart prevent? A) Blood clotting. B) Backflow of blood. C) Blood oxygenation. D) Shortcuts in circulation. Show Answer Correct Answer: B) Backflow of blood. 36. This is a disorder of the blood. The walls of the arteries harden and blood cannot easily pass through the arteries. A) Anemia. B) Atherosclerosis. C) Tachycardia. D) None of above. Show Answer Correct Answer: B) Atherosclerosis. 37. How does deoxygenated blood return to the heart? A) Through the aorta. B) Through veins. C) Through arteries. D) Through capillaries. Show Answer Correct Answer: B) Through veins. 38. A type of connectivetissue. *Is made up of:1. white blood cells 2. platelets 3. red blood cells* hemoglobin4. plasma and other substances A) Heart. B) Blood vessels. C) Blood. D) None of above. Show Answer Correct Answer: C) Blood. 39. Closely parallel veins located in almost all tissues and organs that have blood vessels A) Lymph fluid. B) Thrombocytes. C) Lymph vessels. D) Lymphocytes. Show Answer Correct Answer: C) Lymph vessels. 40. What is the leading cause of death in America? A) Heart disease. B) COVID. C) Cancer. D) Car accidents. Show Answer Correct Answer: A) Heart disease. 41. Which color represents oxygen-poor blood in the circulatory system diagram? A) Yellow. B) Red. C) Green. D) Blue. Show Answer Correct Answer: D) Blue. 42. The RIGHT side of the heart receives blood from the body and pumps it into the ..... A) Lungs. B) Liver. C) Stomach. D) Kidneys. Show Answer Correct Answer: A) Lungs. 43. This muscular tissue separates the left and right sides of the heart A) Vena cava. B) Septum. C) Aorta. D) Valve. Show Answer Correct Answer: B) Septum. 44. What type of blood can receive any type of blood? A) AB. B) 0. C) B. D) A. Show Answer Correct Answer: A) AB. 45. When there is a lack of blood to a certain part of the brain (ex. due to a clot or burst arteries) A) Heart attack. B) Hyperventilating. C) Stroke. D) Hemophilia. Show Answer Correct Answer: C) Stroke. 46. What is the name of the valve which separates right atrium and right ventricle A) Tricuspid Valve. B) Bicuspid Valve. C) Pulmonic Valve. D) None of above. Show Answer Correct Answer: A) Tricuspid Valve. 47. The two upper chambers of the heart are called ..... and they HOLD blood. A) Atria. B) Ventricles. C) Plasma. D) None of above. Show Answer Correct Answer: A) Atria. 48. If you cannot speak, where might the problem be? A) Lungs. B) Trachea. C) Pharynx. D) Larynx. Show Answer Correct Answer: D) Larynx. 49. The circulatory system also carries ..... (a waste gas) away. A) Carbon dioxide. B) Oxygen. Show Answer Correct Answer: A) Carbon dioxide. 50. This specialist treats diseases that cause migraines, facial pain, tension headaches, migraines, etc. A) Headache Neurologists. B) Neurologos Cererebrovasculares. C) Epilepsy Neurologist. D) Neurologist geriatrician. Show Answer Correct Answer: A) Headache Neurologists. 51. Energy your body needs is made though ..... A) Blood + oxygen. B) Food + oxygen. C) Oxygen + exercise. D) Exercise + food. Show Answer Correct Answer: B) Food + oxygen. 52. What allows the lungs to inflate and deflate? A) Diaphragm. B) Alveoli. C) Cells. D) Bronchi. Show Answer Correct Answer: A) Diaphragm. 53. White blood cells are also called ..... A) Erythrocytes. B) Of the leukocyte. Show Answer Correct Answer: B) Of the leukocyte. 54. Where are nutrients absorbed into the blood? A) Esophagus. B) Small intestine. C) Stomach. D) Mouth. Show Answer Correct Answer: B) Small intestine. 55. Which of the following is a blood vessel? A) Heart. B) Ventricles. C) Arteries. D) Oxygen. Show Answer Correct Answer: C) Arteries. 56. The iron rich protein that makes up red blood cells and allows them to carry oxygen is called A) Erythrocytes. B) Hemoglobin. C) Platelets. D) Leukocytes. Show Answer Correct Answer: B) Hemoglobin. 57. These type of WBC comes from lymphoid tissues A) Granulocytes. B) Agranulocytes. C) Leukocytes. D) None of above. Show Answer Correct Answer: B) Agranulocytes. 58. Which bone structure makes new blood cells? A) Yellow Marrow. B) Compact. C) Red Marrow. D) Spongy. Show Answer Correct Answer: C) Red Marrow. 59. Which part of your blood is used to help in the clotting process? A) Plasma. B) Red blood cells. C) Platelets. D) White blood cells. Show Answer Correct Answer: C) Platelets. 60. The force of blood against the walls of your arteries is called A) Pulse. B) Heartbeat. C) Blood Pressure. D) None of above. Show Answer Correct Answer: C) Blood Pressure. ← 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