This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 208 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 208 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the liver produce to aid in digestion? A) Bile. B) Mucous. C) Vitamins. D) Amino acids. Show Answer Correct Answer: A) Bile. 2. This structure separates the left and right side of the heart. A) Septum. B) Aorta. C) Veins. D) Valves. Show Answer Correct Answer: A) Septum. 3. What is the organ that controls blood circulation? A) Lungs. B) Liver. C) Spleen. D) Heart. Show Answer Correct Answer: D) Heart. 4. Refers to the frequency of the cardiac cycle A) Cardiac Cycle. B) Heart Rate. C) Cardiac Output. D) Stroke Volume. Show Answer Correct Answer: B) Heart Rate. 5. What do red blood cells return from the tissues back to the lungs? A) Carbon dioxide. B) Hydrogen. C) Oxygen. D) Methane. Show Answer Correct Answer: A) Carbon dioxide. 6. Blood return to your hear in ..... A) Arteries. B) Vessels. C) Veins. D) Capillaries. Show Answer Correct Answer: C) Veins. 7. Deoxygenated blood from the body parts enter the heart through: A) Superior and Inferior Vena Cava. B) Hepatic Vein. C) Renal vein. D) Pulmonary vein. Show Answer Correct Answer: A) Superior and Inferior Vena Cava. 8. These are one cell thick A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 9. Blood cells are first formed in the A) Heart. B) Bone marrow. C) Muscles. D) Capillaries. Show Answer Correct Answer: B) Bone marrow. 10. Recall what deoxygenated blood is. A) Blood that is green in appearance. B) Blood that is grey is apperance. C) Blood is low in oxygen. D) Blood high in oxygen. Show Answer Correct Answer: C) Blood is low in oxygen. 11. The heart is the main organ in the ..... system A) Nervous. B) Respiratory. C) Endocrine. D) Circulatory. Show Answer Correct Answer: D) Circulatory. 12. This type of circulation is when blood travels to the kidneys for filtration. A) Coronary Circulation. B) Hepatic Portal Circulation. C) Renal Circulation. D) Pulmonary Circulation. Show Answer Correct Answer: C) Renal Circulation. 13. The ..... valve allows blood to flow from the right ventricle to the lungs. A) Aortic Valve. B) Tricuspid Valve. C) Mitral Valve. D) Pulmonary Valve. Show Answer Correct Answer: D) Pulmonary Valve. 14. Substance found inside some long bones that makes blood cells. A) Spongy bone. B) Cartilage. C) Marrow. D) Ligament. Show Answer Correct Answer: C) Marrow. 15. Deoxygenated blood enters the heart here. A) Left ventricle. B) Left atrium. C) Right atrium. D) Right ventricle. Show Answer Correct Answer: C) Right atrium. 16. Peristalsis happens in the stomach AND the esophagus. A) True. B) False. Show Answer Correct Answer: A) True. 17. Serves as a transport medium for glucose, lipids, amino acids, hormones, metabolic end products, carbon dioxide and oxygen A) Plasma proteins. B) Ions (electrolytes). C) Plasma. D) Ions (electrolytes). E) Water. Show Answer Correct Answer: C) Plasma. 18. This separates the Right and Left ventricle-Prevents oxygenated blood from mixing with deoxygenated blood A) Mitral Valve. B) Tricuspid Valve. C) Interventricular septum. D) Interatrial Septum. Show Answer Correct Answer: C) Interventricular septum. 19. The relaxing of the heart is known as A) Systole. B) Heart Rate. C) Diastole. D) Cardiac Arrest. Show Answer Correct Answer: C) Diastole. 20. The average amount of uric acid in females is 3.4-6.0mg/dl of blood. A) True. B) False. Show Answer Correct Answer: B) False. 21. The blood flowing around the lungs travels to which part of the circulatory system next? A) Aorta. B) Left atrium. C) Pulmonary veins. D) Left ventricle. Show Answer Correct Answer: C) Pulmonary veins. 22. What structure is present in the vein but not in the artery? A) Red blood cell. B) White blood cell. C) Valve. D) None of above. Show Answer Correct Answer: C) Valve. 23. The process by which cells use oxygen to produce energy from food A) Antigen. B) Cellular respiration. C) System circulation. D) Cellular metabolism. Show Answer Correct Answer: B) Cellular respiration. 24. Which blood part is made mostly of water? A) WBC. B) Platelets. C) RBC. D) Plasma. Show Answer Correct Answer: D) Plasma. 25. If your blood, for some reason, was not able to carry oxygen effectively, which type of cell would you expect to be either missing or damaged? A) White Blood Cells. B) Platelets. C) Red Blood Cells. D) Stem cells. Show Answer Correct Answer: C) Red Blood Cells. 26. What part of the lymphatic system filters foreign material from blood and destroys old RBCs? A) Lymphatic vessels. B) Spleen. C) Lymph nodes. D) Thymus. Show Answer Correct Answer: B) Spleen. 27. Hemoglobin makes blood..... A) Red. B) Blue. C) Clear. D) None of above. Show Answer Correct Answer: A) Red. 28. Which is NOT a chamber of the heart? A) Left Ventricle. B) Right Ventricle. C) Left Atrium. D) Aorta. Show Answer Correct Answer: D) Aorta. 29. What is the purpose of the tricuspid valve in the heart? A) Allow blood into the aorta. B) Separate the left atrium from the left ventricle. C) Separate the right atrium from the right ventricle. D) Prevent blood from flowing back into the ventricles. Show Answer Correct Answer: C) Separate the right atrium from the right ventricle. 30. What are the names of the lower chambers? A) Valves. B) Capillary. C) Left and right veins. D) Left and right ventricles. Show Answer Correct Answer: D) Left and right ventricles. 31. When the blood vessels' diameter decreases, squeezing blood deeper into the organs of the body. A) Vasodilation. B) Vasoconstriction. C) Heart rate. D) Hypertension. Show Answer Correct Answer: B) Vasoconstriction. 32. It takes ..... for blood to circulate the entire body. A) 20 seconds. B) 20 minutes. C) 30 seconds. D) None of above. Show Answer Correct Answer: A) 20 seconds. 33. I'll keep on dreaming ..... my dreams come true A) For. B) Since. C) Because. D) Until. Show Answer Correct Answer: D) Until. 34. Which cell engulfs and digests bacteria/pathogens? A) Lymphocytes. B) Phagocytes. C) Platelets. D) None of above. Show Answer Correct Answer: B) Phagocytes. 35. Why are there 2 sides to the end of a stethoscope? A) To prevent other sounds interfering. B) To prevent the spread of infection. C) If one side gets broken or wears out, there is a back up. D) For listening to different pitched sounds. Show Answer Correct Answer: D) For listening to different pitched sounds. 36. What are blood groups? A) The complex chemical systems present on the surface of blood. B) The foreign substances in the body of humans that intiate the production of antibodies by the human immune system. C) The chemical substances which are produced by the leucocytes in response to antigens. D) None of the above. Show Answer Correct Answer: A) The complex chemical systems present on the surface of blood. 37. Cerebrum is responsible for? A) Logic and planning. B) Breathing and heart rate. C) Walking and talking. D) Thinking and winking. Show Answer Correct Answer: A) Logic and planning. 38. All of the following are true of the left ventricle except: A) Wall is typically 3 times thicker than that of right ventricle. B) It is separated from left atrium by Mitral valve. C) Aortic semilunar valve at superior end separates it from the aorta. D) Receives deoxygenated venous blood from the left atrium. Show Answer Correct Answer: D) Receives deoxygenated venous blood from the left atrium. 39. Allows blood flow into the aorta A) Aortic semilunar valve. B) Pulmonary semilunar valve. C) Left ventricle. D) None of above. Show Answer Correct Answer: A) Aortic semilunar valve. 40. It is the first number in reading the blood pressure. It indicates the pressure when the heart contracts and pushes blood to the arteries. A) Diastolic blood pressure. B) Systolic blood pressure. Show Answer Correct Answer: B) Systolic blood pressure. 41. What happens if valves in heart donot work properly? A) Blood flows in heart chambers in backward direction. B) Results in extra burden on heart to pump blood forward. This condition places extra burden on the heart in pushing the blood forward. C) Both. D) None is none. Show Answer Correct Answer: C) Both. 42. Oxygenated blood in the lungs is propelled to the heart by A) The pulmonary artery. B) The pulmonary vein. C) The aorta artery. D) None of above. Show Answer Correct Answer: B) The pulmonary vein. 43. Pump the blood and keep the blood moving throughout your body A) Blood. B) Heart. C) Blood vessels. D) None of above. Show Answer Correct Answer: B) Heart. 44. Basophils include..... A) Agranulocyte leukocytes. B) Granulocyte leukocytes. Show Answer Correct Answer: B) Granulocyte leukocytes. 45. Name that System:trachea A) Respiratory. B) Circulatory. C) Digestive. D) None of above. Show Answer Correct Answer: A) Respiratory. 46. The pressure exerted by roothairs towards..... is called root pressure. The process by which the root hairs are made towards the side is called parting. A) Main root is the main branch. B) Phloem is nutrient tissue. C) Xylem tract. D) Shoot system is the stem system. Show Answer Correct Answer: C) Xylem tract. 47. The number of times your heart beats in a minute is called your pulse. A) False. B) True. Show Answer Correct Answer: A) False. 48. Blood in mammals is contains plasma (fluid part of blood) that A) Contain haemoglobin that binds and transports oxygen and carbon dioxide. B) Play roles in the immune system such as engulfing pathogens and producing antibodies. C) Are fragments of cells that prevent blood loss and ensure that blood clots. D) Contains dissolved ions, gasses, proteins and hormones. Show Answer Correct Answer: D) Contains dissolved ions, gasses, proteins and hormones. 49. The function of the digestive system is A) Breakdown foods. B) Absorb nutrients. C) Eliminate waste. D) All of the above. Show Answer Correct Answer: D) All of the above. 50. How much blood does the heart pump every minute? A) 2.5 liters. B) 7 liters. C) 1 liter. D) 5 liters. Show Answer Correct Answer: D) 5 liters. 51. What organ is responsible for circulating blood throughout your body? A) Heart. B) Arteries. C) Veins. D) None of above. Show Answer Correct Answer: A) Heart. 52. Caused by lack of red blood cells. a person with this feels weak and gets tired easily A) Arteriosclerosis. B) Hypertension. C) Anemia. D) Leukemia. Show Answer Correct Answer: C) Anemia. 53. How do you keep your muscles strong? A) By sleeping as much as possible. B) By exercising. C) By jumping on a trampoline. D) None of above. Show Answer Correct Answer: B) By exercising. 54. A small flap of tissue that covers the trachea when swallowing is called the A) Bronchi. B) Pharynx. C) Larynx. D) Epiglottis. Show Answer Correct Answer: D) Epiglottis. 55. If your blood type is AB+ you can donate blood to a person that has blood type A) O+. B) AB+. C) AB-. D) O-. Show Answer Correct Answer: B) AB+. 56. Which yoga asana helps to make the heart healthier and improves blood circulation A) Tadasana. B) Vrikshasana. C) Padmasana. D) Picked up. Show Answer Correct Answer: A) Tadasana. 57. When we put the cylinder on the candle, water will ..... A) Burn. B) Raise up. C) Raise down. D) None of above. Show Answer Correct Answer: B) Raise up. 58. The LEFT side of the heart receives ..... blood. A) Non-oxygenated. B) Oxygenated. Show Answer Correct Answer: B) Oxygenated. 59. During exercise, you need more oxygen because the cells ..... A) Begin to die. B) Need it for energy. C) Produce more carbon dioxide. D) None of above. Show Answer Correct Answer: B) Need it for energy. 60. When you are exercising your heart should ..... A) Stay with same rate. B) Speed up. C) Slow down. D) Decrease you beats. Show Answer Correct Answer: B) Speed up. ← 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