This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System โ Quiz 80 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 80 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This type of blood vessels bring blood back to the heart A) Capillaries. B) Veins. C) Heart. D) Arteries. Show Answer Correct Answer: B) Veins. 2. What occurs in the capillaries? A) Exchange of gases. B) Multiplication of blood cells. C) Elimination of carbon dioxide. D) None of above. Show Answer Correct Answer: A) Exchange of gases. 3. Coronary circulation, is the flow of blood to the tissues of the ..... A) Lungs. B) Heart. C) Liver. D) Brain. Show Answer Correct Answer: B) Heart. 4. Anton helped his mother cut carrots in the kitchen by accident, Anton's finger was cut by a knife, causing blood to bleed. However, the blood that came out of Anton's fingers could not stop flowing and was difficult to clot. The blood disorder experienced by Anton is called..... A) Leukemia. B) Polysthemic. C) Thalasemia. D) Anemia. E) Hemofilia. Show Answer Correct Answer: E) Hemofilia. 5. How does the sking protect the body from disease? A) By increasing body temperature when it is cold. B) By supplying water to the body through the pores. C) By gathering information about the environment. D) By keeping disease-causing microorganisms from entering the body. Show Answer Correct Answer: D) By keeping disease-causing microorganisms from entering the body. 6. Which of the following veins contains very little carbon dioxide? A) Hepatic Portal Vein. B) Vena Cava. C) Pulmonary Vein. D) Renal Vein. Show Answer Correct Answer: C) Pulmonary Vein. 7. Which of the following is NOT a function of the respiratory system? A) Get carbon dioxide out of your blood and body. B) Get oxygen into your body and blood. C) Move materials around throughout the body. D) None of above. Show Answer Correct Answer: C) Move materials around throughout the body. 8. The beginning point of the respiratory system where air is taken into the body. A) Trachea. B) Nose. C) Diaphragm. D) Lung. Show Answer Correct Answer: B) Nose. 9. The strong curved muscle attached below the lungs to the lower ribs A) Epiglottis. B) Diaphragm. C) Cilia. D) Alveoli. Show Answer Correct Answer: B) Diaphragm. 10. Which of the following prompted the invention of stethoscope? A) To hear heartbeat louder and clearer. B) Out of modesty rather than pressing ear on women's chest. C) It was an accident invention. D) None of above. Show Answer Correct Answer: B) Out of modesty rather than pressing ear on women's chest. 11. The lower number in a blood pressure reading represents ..... blood pressure A) Aortic. B) Systolic. C) Capillary. D) Diastolic. Show Answer Correct Answer: D) Diastolic. 12. When someone takes the blood of another person, it is called A) A donor. B) A transfusion. C) An infusion. D) A retriever. Show Answer Correct Answer: B) A transfusion. 13. ..... is when you have high blood pressure and your systolic pressure is regularly over 140 A) Atherosclerosis. B) Heart murmurs. C) Hypertension. D) Hypotension. E) Arrhythmia. Show Answer Correct Answer: C) Hypertension. 14. Where the exchange of oxygen and carbon dioxide occur in your blood. A) Lungs. B) Nose/mouth. C) Trachea. D) Alveoli. Show Answer Correct Answer: D) Alveoli. 15. The largest artery in the body is A) Aorta. B) Sweat gland. C) Humerus. D) Big toe. Show Answer Correct Answer: A) Aorta. 16. Which part of the blood protects the body against disease? A) White blood cells. B) Plasma. C) Platelets. D) Red blood cells. Show Answer Correct Answer: A) White blood cells. 17. ..... are thinner-walled vessels containing valves, while ..... are thicker-walled vessels. A) Veins, arteries. B) Arteries, veins. C) Arteries, capillaries. D) Capillaries, veins. Show Answer Correct Answer: A) Veins, arteries. 18. Which organ is made up of cardiac muscle tissue? A) Liver. B) Lungs. C) Kidneys. D) Heart. Show Answer Correct Answer: D) Heart. 19. Branched digestive system that spread throughout the body without presence of coelom is seen in..... organisms. A branched digestive system Absence of a body cavity is found in the following organisms. A) Nematehelminthes. B) Platihelminthes Platyhelminthes. C) Annelida annelida. D) All the above เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: B) Platihelminthes Platyhelminthes. 20. What colour is the blood, when it contains a lot of oxygen? A) Dark red. B) Bluish-red. C) Dark blue. D) Bright red. Show Answer Correct Answer: D) Bright red. 21. It is where the esophagus and the air tube are joined. A) Glottis. B) Pharynx. C) Trachea. D) Larynx. Show Answer Correct Answer: B) Pharynx. 22. Blood vessels that carry oxygenated blood are called: A) Arteries. B) Veins. C) Capillaries. D) None of the above. Show Answer Correct Answer: A) Arteries. 23. What color is oxygenated blood? A) Pink. B) Purple. C) White. D) Bright red. Show Answer Correct Answer: D) Bright red. 24. The white blood cells (WBCs) fight ..... ? A) Germs. B) Animals. C) Infection. D) People. Show Answer Correct Answer: C) Infection. 25. The circulation that supplies the heart A) Systemic Circulation. B) Coronary Circulation. C) Pulmonary Ciruculation. D) Blood Circulation. Show Answer Correct Answer: B) Coronary Circulation. 26. Root hairs are the extensions of root ..... cells. A) Epidermal. B) Cortex. Show Answer Correct Answer: A) Epidermal. 27. Arteries are blood vessels that ..... A) Are blue in color, making your blood look blue. B) The tiniest of blood vessels. C) Lead blood away from the heart. D) Connect to bones. Show Answer Correct Answer: C) Lead blood away from the heart. 28. What part of blood is 90% water? A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 29. The blood pressure in which chamber of the heart has the highest pressure? A) Left ventricle. B) Right atrium. C) Right ventricle. D) Left atrium. Show Answer Correct Answer: A) Left ventricle. 30. What is the relationship between the respiratory system and the circulatory system? A) The respiratory system exchanges oxygen and carbon dioxide with the circulatory system. B) The respiratory system exchanges oxygen and carbon monoxide with the circulatory system. C) The respiratory system exchanges oxygen and sugar with the circulatory system. D) The respiratory system exchanges oxygen and nitrogen with the circulatory system. Show Answer Correct Answer: A) The respiratory system exchanges oxygen and carbon dioxide with the circulatory system. 31. Which side of the heart carries poorly oxygenated (deoxygenated) blood? A) Left. B) Right. Show Answer Correct Answer: B) Right. 32. State whether arteries carry blood towards or away from the heart. A) Away. B) Towards. Show Answer Correct Answer: A) Away. 33. Artery that carries blood and oxygen to the tissues of the heart A) Aorta. B) Septum. C) Coronary. D) Pulmonary. Show Answer Correct Answer: C) Coronary. 34. Water and nutrients enter the bloodstream through the capillaries. A) False. B) True. Show Answer Correct Answer: B) True. 35. The network of pipelines that extend all over the human body are ..... A) Veins. B) Arteries. C) Blood capillaries. D) None of above. Show Answer Correct Answer: C) Blood capillaries. 36. Once blood passes thru the pulmonary valve, what vessel does it enter? A) Pulmonary artery. B) Pulmonary vein. C) Aorta. D) Inferior vena cava. Show Answer Correct Answer: A) Pulmonary artery. 37. When coloring our heart, blue represented areas of our heart with ..... A) More CO2 (carbon dioxide). B) Less oxygen. C) Less CO2 (carbon dioxide). D) More oxygen. Show Answer Correct Answer: B) Less oxygen. 38. The police have caught the thief A) The thief has been caught by the police. B) The thief was caught by the police. C) The thief had been caught by the police. D) None of above. Show Answer Correct Answer: A) The thief has been caught by the police. 39. Superior vena cava-right atrium-?-right ventricle-Pulmonary valve-pulmonary artery-lungs-Pulmonary veins-left atrium-mitral valve-left ventricle-aorta-rest of body A) TRICUSPID VALVE. B) BICUSPID VALVE. C) PULMONARY VALVE. D) MITRAL VALVE. Show Answer Correct Answer: A) TRICUSPID VALVE. 40. Where are blood cells made? A) Heart. B) Lungs. C) Stomach. D) Bone Marrow. Show Answer Correct Answer: D) Bone Marrow. 41. Bicuspid valve is also known as ..... A) Mitral valve. B) Tricuspid valve. C) Left ventricle. D) None of these. Show Answer Correct Answer: A) Mitral valve. 42. Type of circulatory system in an earthworm: A) Closed. B) Open. Show Answer Correct Answer: A) Closed. 43. The plasma that contains blood cells is mainly made up of ..... A) Water. B) Oxygen. C) Nutrients. D) Waste. Show Answer Correct Answer: A) Water. 44. The left ventricle is thicker because it pumps blood to the lungs A) False. B) True. Show Answer Correct Answer: A) False. 45. What side of your heart take in the blood that is oxygen depleted or poor in oxygen? A) Left. B) Right. C) Down. D) Up. Show Answer Correct Answer: B) Right. 46. Which type of blood cell is important to fighting pathogens and protecting you from infection and disease? A) Liver blood cells. B) Platelets. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 47. Blood pressure is measured by an instrument known as: A) ECG. B) EEG. C) Sphygmomanometer. D) Stemoscope. Show Answer Correct Answer: C) Sphygmomanometer. 48. When an atrium contracts A) The ventricule from the same side relaxes. B) The ventricule from the same side contracts too. C) The atrium from the other side also contracts. D) None of above. Show Answer Correct Answer: A) The ventricule from the same side relaxes. 49. This is the largest artery in your body, and it carries oxygenated blood from the heart to the rest of the body. A) Pulmonary artery. B) Pulmonary vein. C) Aorta. D) Vena cava. Show Answer Correct Answer: C) Aorta. 50. Which chamber of the heart pumps oxygen-poor blood to the lungs, by going directly to the pulmonary arteries? A) Right ventricle. B) Left atrium. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: A) Right ventricle. 51. Having strong and elastic vessel walls is a characteristic of..... A) Venous vessels. B) Arteries. Show Answer Correct Answer: B) Arteries. 52. What is also known as white blood cells A) Erythrocytes. B) Leukocytes. C) Thrombocytes. D) None of above. Show Answer Correct Answer: B) Leukocytes. 53. Biconcave, has no nucleus. This includes aspects..... A) Blood plasma. B) Thrombocytes (Blood clots). C) Leukocytes (White blood cells). D) Erythrocytes (Red blood cells). Show Answer Correct Answer: D) Erythrocytes (Red blood cells). 54. If a person is suffering pain/discomfort in their chest, it might indicate a: A) Deep Vein Thrombosis. B) Heat Emergency. C) Stroke. D) Myocardial Infarction (Heart Attack). Show Answer Correct Answer: D) Myocardial Infarction (Heart Attack). 55. Your blood is made up of ..... A) Plasma, red blood cells and blue blood cells. B) Platelets, white blood cells and red blood cells. C) Plasma, red blood cells, white blood cells and platelets. D) Red blood cells, white blood cells, venules and platelets. Show Answer Correct Answer: C) Plasma, red blood cells, white blood cells and platelets. 56. The coronary arteries are located ..... A) In the abdomen. B) On the heart. C) In the legs. D) In the neck. Show Answer Correct Answer: B) On the heart. 57. What component of blood carries oxygen? A) Platelet. B) Plasma. C) White blood cell. D) Red blood cell. Show Answer Correct Answer: D) Red blood cell. 58. What initiates the sequential contractions of the heart chambers? A) The SA node. B) The AV node. C) The ventricular coordination. D) The Purkinje fibers. Show Answer Correct Answer: A) The SA node. 59. .....% Of your body is blood A) 9. B) 12. C) 20. D) 8. E) 14. Show Answer Correct Answer: D) 8. 60. What helps blood clot A) RBC. B) Plasma. C) WBC. D) Platelets. Show Answer Correct Answer: D) Platelets. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books