This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 153 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 153 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Delivers blood to the lungs, where some carbon dioxide is eliminated & oxygen is replenished- A) Systemic circuit. B) Abdominal aorta. C) Pulmonary circuit. D) Superior mesenteric artery. Show Answer Correct Answer: C) Pulmonary circuit. 2. The folds of the small intestine are covered with fingerlive projections called ..... A) Villi. B) Vicky. C) Bolus. D) Bile. Show Answer Correct Answer: A) Villi. 3. The chemical process required to stop bleeding is called hemostasis A) False. B) True. Show Answer Correct Answer: B) True. 4. My favorite class is ..... !! A) Science. B) Social Studies. C) English. D) Math. Show Answer Correct Answer: A) Science. 5. The flow of blood through the lungs and back to the heart is called ..... A) Pulmonary circulation. B) High blood pressure. C) Systemic circulation. D) Coronary circulation. Show Answer Correct Answer: A) Pulmonary circulation. 6. When we exercise, our heartbeat A) Remain the same. B) Increases. C) Stops. D) Decrease. Show Answer Correct Answer: B) Increases. 7. In the heart ..... control the flow of blood through the heart. A) Arteries. B) Valves. C) Sphincters. D) Lobes. Show Answer Correct Answer: B) Valves. 8. How does the Circulatory system help your body maintain health and fitness? A) When your muscle has more oxygen it can work hard and you can do more exercise. B) It makes more blood. Show Answer Correct Answer: A) When your muscle has more oxygen it can work hard and you can do more exercise. 9. How does the heart supply itself with oxygenated blood? A) Cardiac Veins. B) Cardiac arteries. C) Coronary Arteries. D) Systemic Arteries. E) Pulmonary Artery. Show Answer Correct Answer: C) Coronary Arteries. 10. Potassium and oxygen are taken to body cells ..... what kind of job is this? A) Transport. B) Protection. C) Regulation. D) None of above. Show Answer Correct Answer: A) Transport. 11. Which valve prevents back flow of blood from the left ventricle to the left atrium? A) Tricuspid valve. B) Aortic valve. C) Pulmonary valve. D) Mitral valve. Show Answer Correct Answer: D) Mitral valve. 12. What is the tunica media? A) Thickest layer, consists of smooth muscle. B) Provides support for the vessel but also changes vessel diameter to regulate blood flow & blood pressure. C) All of the above. D) Middle layer of the three. Show Answer Correct Answer: C) All of the above. 13. Systemic circulation involves blood travelling to A) The lungs. B) The heart. C) The rest of the body. D) None of above. Show Answer Correct Answer: C) The rest of the body. 14. ..... is a muscular pumping organ in the human body. A) Nose. B) Heart. C) Kidneys. D) Hands. Show Answer Correct Answer: B) Heart. 15. What enzyme breaks down lipids (fats) A) Amylase. B) Protease. C) Carbohydrase. D) Lipase. Show Answer Correct Answer: D) Lipase. 16. What is the role of veins? A) To carry blood from our heart. B) To carry blood to our heart. C) To carry blood to our hands. D) To carry blood to our feet. Show Answer Correct Answer: B) To carry blood to our heart. 17. Where does the vital exchange of gases occur in the lungs? A) Trachea. B) Bronchi. C) Alveoli. D) Bronchioles. Show Answer Correct Answer: C) Alveoli. 18. Which of the options below is a type of white blood cells? A) Lymphocytes. B) Urea. C) Red blood cells. D) Hormones. Show Answer Correct Answer: A) Lymphocytes. 19. So from top to bottom, a leaf's structure is A) Palisade cellsWaxy cuticle and epidermis cellsSpongy mesophyllEpidermis and cuticle, with stomata. B) Waxy cuticle and epidermis cellsPalisade cellsSpongy mesophyllEpidermis and cuticle, with stomata. C) Epidermis and cuticle, with stomata Waxy cuticle and epidermis cellsPalisade cellsSpongy mesophyll. D) Waxy cuticle and epidermis cellsSpongy mesophyllPalisade cells Epidermis and cuticle, with stomata. Show Answer Correct Answer: B) Waxy cuticle and epidermis cellsPalisade cellsSpongy mesophyllEpidermis and cuticle, with stomata. 20. Blood becomes bright red in color because of the A) Amount of iron present. B) Amount of oxygen present. C) Amount of folic acid present. D) Amount of hemoglobin present. Show Answer Correct Answer: B) Amount of oxygen present. 21. Systolic pressure measures which of the following? A) Atrial contraction. B) Ventricular contraction. C) Atrial relaxation. D) Ventricular relaxation. Show Answer Correct Answer: B) Ventricular contraction. 22. What percentage of the population is RH positive? A) 15%. B) 50%. C) 75%. D) 85%. Show Answer Correct Answer: D) 85%. 23. What type blood vessel exchanges nutrients and oxygen in the tissues? A) Veins. B) Venules. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 24. What is the name of the tissue that closes off the windpipe when you swollen so you do not choke? A) Esophagus. B) Ileum. C) Epiglottis. D) Appendix. Show Answer Correct Answer: C) Epiglottis. 25. Wich is the name of the small area in the wall of the right atrium that control the hearth beat? A) Atrioventricular bundle. B) Sinus node. C) Atrium. D) Ventricle. Show Answer Correct Answer: B) Sinus node. 26. What do have if I have pain in the chest? A) Heart Attack. B) Angina. C) Veins. D) None of above. Show Answer Correct Answer: B) Angina. 27. Arteries carry nutrient and oxygen rich blood ..... from the heart except the pulmonary artery. A) Back to. B) Away. C) Parallel. D) None of above. Show Answer Correct Answer: B) Away. 28. The heart doctor is called a ..... A) Zoologist. B) Meteorologist. C) Cardiologist. D) None of above. Show Answer Correct Answer: C) Cardiologist. 29. The left side of the heart pumps the blood to the? A) Body. B) Brain. C) Lungs. D) None of above. Show Answer Correct Answer: A) Body. 30. ..... are the thinnest blood vessels A) Nerve. B) Capillary. C) Vein. D) Artery. Show Answer Correct Answer: B) Capillary. 31. The diagram shows a section through the heart. Which part pumps blood to the aorta? A) C. B) B. C) A. D) D. Show Answer Correct Answer: A) C. 32. Blood pressure in the pulmonary artery is: ..... A) More than that in the pulmonary vein. B) Same as that in the aorta. C) More than that in the carotid. D) Less than that in the venae cavae. Show Answer Correct Answer: A) More than that in the pulmonary vein. 33. This picks up and delivers nutrients and wastes/helps fight diseases/and helps stop bleeding A) Heart. B) Blood Vessels. C) Blood. D) None of above. Show Answer Correct Answer: C) Blood. 34. When does the first step of digestion usually occur? A) When the organism discovers the food. B) When the food is chewed. C) When the food is swallowed. D) When the nutrients are absorbed. Show Answer Correct Answer: B) When the food is chewed. 35. What is the Circulartory System also known as? A) Circular System. B) Cardiovascular System. C) Nervous System. D) Cardio System. Show Answer Correct Answer: B) Cardiovascular System. 36. Either of the two upper chambers in the heart that receives oxygen from the veins A) Atrium. B) Vein. C) Artery. D) Ventricle. Show Answer Correct Answer: A) Atrium. 37. Arteries are strong elastic vessels that carry blood to the heart. A) True. B) False. Show Answer Correct Answer: B) False. 38. How to calculate the blood flow rate through the aorta in the given scenario? A) Subtract the amount of blood from the time required. B) Increase the amount of blood by the time required. C) Multiply the amount of blood by the time required. D) Divide the amount of blood by the time required. Show Answer Correct Answer: D) Divide the amount of blood by the time required. 39. This is the order in which the blood flows in our body. A) Head, abdomen, thorax, legs, arms, aorta. B) Arms, thorax, aorta, abdomen, legs, head. C) Head, arms, aorta, thorax, abdomen, legs. D) Aorta, abdomen, legs, head, arms, thorax. Show Answer Correct Answer: C) Head, arms, aorta, thorax, abdomen, legs. 40. The SA node causes A) Ventricular Contraction. B) Ventricular relaxation. C) Atrial relaxation. D) Atrial contraction. Show Answer Correct Answer: D) Atrial contraction. 41. This chamber receives de-oxygenated blood first A) Left ventricle. B) Right ventricle. C) Right atrium. D) Left atrium. Show Answer Correct Answer: C) Right atrium. 42. The proper term for red blood cells is ..... A) Leucocytes. B) Thrombocytes. C) Erythrocytes. D) None of above. Show Answer Correct Answer: C) Erythrocytes. 43. What does the artery do? A) Carries the blood to and from the body's cells. B) Carries the blood back into the heart. C) Carries blood away from the heart. D) Damaged blood vessels. Show Answer Correct Answer: C) Carries blood away from the heart. 44. Composed of cells A) Muscle. B) Tissue. C) Beat. D) Waste. E) Speed Up. Show Answer Correct Answer: A) Muscle. 45. Which vessel is being described?"small vessels which form a large network around organs and tissues, taking substances needed and removing waste products" A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 46. What are small, irregularly shaped pieces of cells that plug wounds and stop bleeding called? A) Red blood cells. B) Platelets. C) Plasma. D) Blood vessels. Show Answer Correct Answer: B) Platelets. 47. Your blood takes nutrients, hormones, and oxygen all around the body to all theplaces they need to go. A) True. B) False. Show Answer Correct Answer: A) True. 48. Consists of 2 atrium (porch) and 2 ventricles (chambers) A) Heart wall (3). B) Heart room. C) Heart valves (3). D) Cardiac nerves (3). Show Answer Correct Answer: B) Heart room. 49. Which vessel is strong and elastic in order to undergo increased pressure as blood travels to the lungs? A) Portal vein. B) Pulmonary artery. C) Ductus arteriosus. D) Capillary bed. Show Answer Correct Answer: B) Pulmonary artery. 50. The main artery in the heart is the A) Pulmonary flow. B) Vena cava. C) Pulmonary artery. D) Aorta. Show Answer Correct Answer: D) Aorta. 51. Vessels that receive blood from the heart A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: A) Arteries. 52. IDENTIFY THE PARTS OF THE HEART:protective sac of connective tissue that surrounds the heart A) Atrium. B) Endocardium. C) Ventricles. D) Auricle. E) Pericardium. Show Answer Correct Answer: E) Pericardium. 53. ..... COUNTS HEART BEAT. A) DOCTOR. B) STETHOSCOPE. Show Answer Correct Answer: B) STETHOSCOPE. 54. What part does power the Circulatory system? A) Lungs. B) Heart. C) Wind pipe. D) Liver. Show Answer Correct Answer: B) Heart. 55. When the coronary ..... are blocked, blood does not flow as well and coronary artery disease begins to develop. A) Arteriosclerosis. B) Blood pressure. C) Arteries. D) Symptoms. Show Answer Correct Answer: C) Arteries. 56. This kind of cell is important in clotting A) Chondrocytes. B) Erythrocytes. C) Leucocytes. D) Thrombocytes. Show Answer Correct Answer: D) Thrombocytes. 57. A class was studying human body systems. The students learned about a system that moved oxygen to the cells.The class was studying the- A) Muscular system. B) Digestive system. C) Endocrine system. D) Circulatory system. Show Answer Correct Answer: D) Circulatory system. 58. ..... is the colorless fluid which filters from the blood capillary walls into the intercellular spaces or the tissue spaces A) Lymph. B) Antigens. C) Blood. D) Plasma. Show Answer Correct Answer: A) Lymph. 59. The contraction phase of the cardiac cycle is called ..... A) Systole. B) Diastole. Show Answer Correct Answer: A) Systole. 60. Bring deoxygenated blood back to the heart. A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: C) Veins. ← 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