This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 67 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 67 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Brings blood from the heart to the lungs and then back to the heart. A) Lymph vascular system. B) Pulmonary circulation. C) Systemic circulation. D) Cardiovascular circulation. Show Answer Correct Answer: B) Pulmonary circulation. 2. What types of food should be included in a balanced diet? A) Vegetables, fruit, and fish. B) Meat, dairy, and sweets. C) Fast food and processed snacks. D) Soda and sugary drinks. Show Answer Correct Answer: A) Vegetables, fruit, and fish. 3. Mixing incompatible blood groups leads to blood ..... A) Burst. B) Agglutination. C) Clotting. D) Sickness. Show Answer Correct Answer: B) Agglutination. 4. The primary function of platelets in blood is to ..... A) Carry carbon dioxide. B) Clot injured vessels. C) Carry oxygen. D) Fight off infection. Show Answer Correct Answer: B) Clot injured vessels. 5. Tiny hairs are found in the lining of the windpipe. What is the most likely function of the tiny hairs? A) They allow the person to take in more air. B) They moisten the inhaled and exhaled air. C) They sweep germs and other foreign particles from the inhaled air up to the nose or mouth. D) They keep the windpipe clean by preventing food or water from entering the air passage to the lungs. Show Answer Correct Answer: C) They sweep germs and other foreign particles from the inhaled air up to the nose or mouth. 6. Which is not an issue with the heart? A) Stroke. B) Normal Heartbeats. C) Heart Attack. D) Irregular heartbeat. Show Answer Correct Answer: B) Normal Heartbeats. 7. Organs like the heart, veins, and arteries are made out of what? A) 2 or more different tissues. B) 2 or more similar tissues. C) 2 or more similar specialized cells. D) None of above. Show Answer Correct Answer: A) 2 or more different tissues. 8. The letter A refer to Arm in FAST acronym A) False. B) True. Show Answer Correct Answer: B) True. 9. Arteries carry blood ..... the heart A) AWAY FROM. B) TO. Show Answer Correct Answer: A) AWAY FROM. 10. "The pressure that a fluid exerts when pushing against the sides of a vessel" is a definition of which key term: A) Hydrostatic pressure. B) Water potential. C) Oncostatic pressure. D) Oncotic pressure. Show Answer Correct Answer: A) Hydrostatic pressure. 11. The vena cava carry blood into the A) Left atrium. B) Left ventricle. C) Right ventricle. D) Right atrium. Show Answer Correct Answer: D) Right atrium. 12. Releases histamine which promotes inflammation and heparin, which prevents blood clotting A) Basophil. B) Eosinophil. C) Monocyte. D) Monocyte. E) Lymphocyte. Show Answer Correct Answer: A) Basophil. 13. What type of blood vessel is an aorta? A) An artery. B) A valve. C) A capillary. D) A vein. Show Answer Correct Answer: A) An artery. 14. The coordination between the heart and lungs is observed in maintaining the oxygen blood levels in human body. This shows what type of circulation? A) Arterior Circulation. B) Coronary Circulation. C) Pulmonary Circulation. D) Systemic Circulation. Show Answer Correct Answer: C) Pulmonary Circulation. 15. I get rid of bacteria and germs, what am I? A) White blood cells. B) Veins. C) Platelets. D) Red blood cell. Show Answer Correct Answer: A) White blood cells. 16. This is the thickest layer of the heart A) Endocardium. B) Pericardium. C) Myocardium. D) Epicardium. Show Answer Correct Answer: C) Myocardium. 17. What externally covers the atria? A) Auricle. B) AV Node. C) Because of the difference. D) Negative Feedback Loop. Show Answer Correct Answer: A) Auricle. 18. The smallest vessels are called A) Veins. B) Vessels. C) Capillaries. D) Arteries. Show Answer Correct Answer: C) Capillaries. 19. These take blood carrying waste back to the lungs to get rid of carbon dioxide. A) Heart. B) Capillaries. C) Veins. D) Arteries. Show Answer Correct Answer: C) Veins. 20. As your physical activity ....., your heart rate ..... and your breathing rate ..... A) Decreases, increases, stays the same. B) Increases, decreases, increases. C) Decreases, stays the same, increases. D) Increases, increases, increases. Show Answer Correct Answer: D) Increases, increases, increases. 21. Another name for a heart attack is ..... A) High Blood Pressure. B) Arrhythmia. C) Myocardial Infarction. D) Atherosclerosis. Show Answer Correct Answer: C) Myocardial Infarction. 22. Allows ejection of blood from heart to arteries but prevent back flow into ventricles A) Atrioventricular valves. B) Valves of the heart. C) Semilunar valves. D) None of above. Show Answer Correct Answer: C) Semilunar valves. 23. The valve between the left atrium and left ventricle is called the ..... A) Bicuspid Valve. B) Tricuspid Valve. C) Aortic Valve. D) Pulmonary Valve. Show Answer Correct Answer: A) Bicuspid Valve. 24. Blood is composed of A) Red Blood Cells. B) White Blood Cells. C) Plasma and Platelets. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. The large artery that carries oxygen-rich blood from the heart to the rest of the body. A) Aorta. B) Artery. C) Heart. D) Vein. Show Answer Correct Answer: A) Aorta. 26. The blood vessels, heart and blood make up the A) Digestive System. B) Circulatory System. C) Respiratory System. D) None of above. Show Answer Correct Answer: B) Circulatory System. 27. What do the lungs provide the blood with? A) Blood. B) Oxygen. C) Carbon dioxide. D) Hydrogen. Show Answer Correct Answer: B) Oxygen. 28. What is the type of muscle found in the heart? A) Involuntary Muscle. B) Skeletal Muscle. C) Smooth Muscle. D) Cardiac Muscle. Show Answer Correct Answer: D) Cardiac Muscle. 29. What is the function of the carotid artery? A) Supply blood to the legs and feet. B) Supply blood to the pulmonary artery. C) Supply blood to the brain, neck, and face. D) None of above. Show Answer Correct Answer: C) Supply blood to the brain, neck, and face. 30. Which of these are lymphatic organs? A) Spleen. B) Liver. C) Tonsils. D) Spleen and Tonsil. Show Answer Correct Answer: D) Spleen and Tonsil. 31. The Function of this blood component is to stop the blood bleeding, or it clots the blood if it is exposed to the air. A) White blood cell. B) Red blood cell. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 32. Bigger but lesser in number compared to RBCs. they defend the body from microorganism that cause infection A) Red blood cells. B) White blood cells. C) Platelets. D) None of above. Show Answer Correct Answer: B) White blood cells. 33. True or False:There is such thing as blue blood A) True. B) False. Show Answer Correct Answer: B) False. 34. ..... are the network of fine blood vessels. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 35. In the circulatory system, which blood vessel delivers deoxygenated blood from the body back to the heart? A) Aorta. B) Capillaries. C) Arteries. D) Veins. Show Answer Correct Answer: D) Veins. 36. Create blood clots to reduce blood loss A) Red Blood Cells. B) Plasma. C) Platelets. D) Capillaries. Show Answer Correct Answer: C) Platelets. 37. Thick, muscular, elastic walls A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 38. A condition when the flow of blood to the heart is blocked is called A) Heart attack. B) Stroke. C) Hemophilia. D) Thrombosis. Show Answer Correct Answer: A) Heart attack. 39. The circulatory system works with the ..... system to provide our body with oxygen and remove carbon dioxide. A) Respiratory. B) Muscular. C) Digestive. D) Skeletal. Show Answer Correct Answer: A) Respiratory. 40. A human adult body has about how much blood? A) 5 liters. B) 2 cups. C) 7 Gallons. D) None of above. Show Answer Correct Answer: A) 5 liters. 41. ..... is felt due to the expanding of muscular walls of arteries A) Heart beat. B) Pulse. C) Blood pressure. D) None of the above. Show Answer Correct Answer: B) Pulse. 42. Usually caused by a sedentary lifestyle and an unhealthful diet. Some people can also be genetically at risk. People need this waxy molecule, but too much of it can form a thick layer on the inside of the vessels, blocking blood flow. A) High Cholesterol. B) Heart Failure. C) Myocardial Infarction. D) Stroke. E) Angina Pectoris. Show Answer Correct Answer: A) High Cholesterol. 43. The maximum blood pressure that occurs in arteries during a single ventricular contraction is referred to as the ..... pressure. A) Because of the difference. B) Diastolic. C) Systolic. D) QRS. Show Answer Correct Answer: C) Systolic. 44. ..... is the fatty substance that lines the walls of the arteries. A) Glycerol. B) Calcium. C) Cholesterol. D) Fatty acids. Show Answer Correct Answer: C) Cholesterol. 45. What vocabulary word means a cell fragment that plays an important part in forming blood clots? A) Red blood cell. B) Platelets. C) Plasma. D) White blood cell. Show Answer Correct Answer: B) Platelets. 46. When do valves open A) To allow blood to flow into the heart. B) To allow blood to flow away from the heart. C) To allow blood to flow into the lung. D) To allow blood to flow away from the lung. Show Answer Correct Answer: A) To allow blood to flow into the heart. 47. The condition in which fatty deposits build up on the walls of arteries is known as ..... A) Heart Attack. B) Stroke. C) Atherosclerosis. D) Hypertension. Show Answer Correct Answer: C) Atherosclerosis. 48. How does the skeletal system benefit the digestive system? A) It provides nutrients to organs within the system. B) It supplies blood to organs within the system. C) It protects organs within the system. D) It provides oxygen to organs within the system. Show Answer Correct Answer: C) It protects organs within the system. 49. What organ pumps blood throughout the body? A) Liver. B) Heart. C) Skin. D) Eyes. Show Answer Correct Answer: B) Heart. 50. ..... take fresh blood away from the heart. A) Arteries. B) Veins. C) Blood tissue. D) None of above. Show Answer Correct Answer: A) Arteries. 51. The smallest blood vessels that connect the arteries and veins A) Capillaries. B) Ventricles. C) Heart. D) Atrium. Show Answer Correct Answer: A) Capillaries. 52. The cells involved in inflammatory reactions are ..... A) Lymphocytes. B) Eosinophils. C) Neutrophils. D) Basophils. Show Answer Correct Answer: B) Eosinophils. 53. What are the 2 main functions of the circulatory system? A) Made up of your heart, blood vessels, and blood. B) It moves blood and regulates temperature of your body. C) Carries nutrients, oxygen, antibodies, and hormones to the cells of your body. D) None of above. Show Answer Correct Answer: B) It moves blood and regulates temperature of your body. 54. If an adult's blood vessels were laid out straight, they would be around ..... miles long. A) 62, 000. B) 6, 200. C) 620, 000. D) 62. Show Answer Correct Answer: A) 62, 000. 55. I am blood type B-that means I have the ..... antigens on the surface of my red blood cells. A) A. B) B. C) O. D) None. Show Answer Correct Answer: B) B. 56. From there, blood passes into the right ventricle, which contracts and pumps the blood to the lungs through the pulmonary artery A) 1. B) 4. C) 2. D) 5. E) 3. Show Answer Correct Answer: E) 3. 57. All of the following are functions of the lymphatic system except: A) Collect lymph from the body's interstitial spaces and return it to the blood stream. B) Keep the heart beating at a consistent heart rate. C) Filter lymph through the lymph nodes. D) Detect and fight infection. Show Answer Correct Answer: B) Keep the heart beating at a consistent heart rate. 58. ..... give blood its colour. They carry oxygen and carbon dioxide A) Veins. B) White Blood Cells. C) Red Blood Cells. D) Plasma. Show Answer Correct Answer: C) Red Blood Cells. 59. Artery leaving the left side of the heart A) Jugular. B) Pulmonary. C) Coronary. D) Aorta. Show Answer Correct Answer: D) Aorta. 60. Who connect arteries to veins? A) Heart. B) Lungs. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. ← 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