This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 184 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 184 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A heart murmer is A) The sound blood makes when it flows through your body. B) The sounds of a leaking valve. C) How fast your heart pumps. D) A noise the heart makes when it pumps. Show Answer Correct Answer: B) The sounds of a leaking valve. 2. If a heart attack victim becomes unconscious, you should administer CPR. A) False. B) True. Show Answer Correct Answer: B) True. 3. When the heart contracts after the blood is in the left atrium, it squeezes blood into this powerful part A) Lungs. B) Heart. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 4. What are the down stair chambers of the heart called? A) Septum. B) Ventricles. C) Atriums. D) Nerves. Show Answer Correct Answer: B) Ventricles. 5. Which states a difference between an animal and an amoeba? A) An animal is made up of only one cell and an amoeba is made of many cells. B) An animal is found on land and an amoeba is found in water. C) An amoeba is single-celled and an animal is multicellular. D) An animal is a living organism and an amoeba is a non living organism. Show Answer Correct Answer: C) An amoeba is single-celled and an animal is multicellular. 6. Blood in arteries is always oxygenated. A) False. B) True. C) Maybe. D) Huh?. Show Answer Correct Answer: A) False. 7. How much blood is pumped by the heart? A) 20 gallon. B) 500 liter. C) 901 gallon. D) 70 gallon. E) None Above. Show Answer Correct Answer: E) None Above. 8. The two narrower tubes branching from the trachea that leads into the lungs A) Bronchi. B) Nose. C) Lungs. D) Alveoli. Show Answer Correct Answer: A) Bronchi. 9. The heart is approximately the size of a foot A) True. B) False. Show Answer Correct Answer: B) False. 10. The Circulatory System works with most body systems? A) False. B) True. Show Answer Correct Answer: B) True. 11. Which cells in your body require oxygen? A) Only the cells in your vital organs. B) Only muscles. C) Every cell in your body. D) None of above. Show Answer Correct Answer: C) Every cell in your body. 12. What are the largest blood vessels with the thickest walls? * A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: A) Arteries. 13. Rhesus which does not have agglutinogens, but has anti-Rh is called..... A) Rhesus positive. B) Rhesus negative. Show Answer Correct Answer: B) Rhesus negative. 14. Vessel where gas exchange occurs A) Arterioles. B) Venules. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 15. Blood from the body enters the heart through the right atrium A) 5. B) 4. C) 2. D) 3. E) 1. Show Answer Correct Answer: C) 2. 16. This term means stopping blood from flowing (or clotting the blood) A) Embolus. B) Hemophilia. C) Hematoma. D) Hemostasis. Show Answer Correct Answer: D) Hemostasis. 17. What supports the lungs A) Blood vessels. B) Diaphragm. C) Teeth. D) Brain. Show Answer Correct Answer: B) Diaphragm. 18. These cellular components of the blood are red and carry hemoglobin. They are bi-concave in shape. A) Leukocytes. B) Plasma. C) Thrombocytes. D) Erythrocytes. Show Answer Correct Answer: D) Erythrocytes. 19. Veins supply blood from your ..... to the ..... A) Heart, body. B) Body, heart. Show Answer Correct Answer: B) Body, heart. 20. What is made in the bone marrow? A) Blood cells. B) Plasma. C) Nutrients. D) None of above. Show Answer Correct Answer: A) Blood cells. 21. The phrase of Relaxation is called ..... A) Systole. B) Blood Transfusion. C) Pulse. D) Diastole. Show Answer Correct Answer: D) Diastole. 22. ..... Circulation system is the system that allows blood to travel through the lungs of the animal. A) Automatic. B) Nervomantic. C) Systematic. D) Pulmonary. Show Answer Correct Answer: D) Pulmonary. 23. Superior vena cava:from A) Heart. B) Lower part of body. C) Upper part of body. D) None of above. Show Answer Correct Answer: C) Upper part of body. 24. Open circulatory system ..... A) Exists in fish. B) Consist of heart and vena cava. C) When the heart relaxes, haemolymph flows back into the heart through tiny openings called ostium. D) All the answers above are incorrect. Show Answer Correct Answer: C) When the heart relaxes, haemolymph flows back into the heart through tiny openings called ostium. 25. Where does the deoxygenated blood from the body go? A) Toes. B) Colon. C) Stomach. D) Lungs. Show Answer Correct Answer: D) Lungs. 26. How does it work? A) Muscles, attached to bones or internal organs and blood vessles. B) Moving food through the GI tract. C) Carries oxygen, nutrients, and hormones to cell, and removes waste products. D) Allows oxygen in the air to be taken into the body. Show Answer Correct Answer: C) Carries oxygen, nutrients, and hormones to cell, and removes waste products. 27. State TRUE or FALSE !The contraction of auricles makes stronger sound. A) False. B) True. C) Maybe. D) None of above. Show Answer Correct Answer: A) False. 28. Capillaries connect A) Left ventricle to right ventricle. B) Blood vessels to aorta. C) Aorta to pulmonary artery. D) Arteries to veins. Show Answer Correct Answer: D) Arteries to veins. 29. During artrial systole, the ventricles are A) In diastole. B) Not filling. C) Contracting. D) In systole. Show Answer Correct Answer: A) In diastole. 30. True or false? The Respiratory system is known to have the brain as one of it's organs. A) False. B) True. Show Answer Correct Answer: A) False. 31. What functions to prevent the mixing of oxygen-rich blood and carbon dioxide-rich blood is..... A) Close your heart. B) Heart valve. Show Answer Correct Answer: B) Heart valve. 32. The walls are very thin A) Arteries (pulses) [6]. B) Venous Vessels (Back) [6]. C) Capillaries [5]. D) None of above. Show Answer Correct Answer: C) Capillaries [5]. 33. What happened to Jack's breathing rate as he was running? Explain your answer. A) His breathing rate increases, He needs to take in more oxygen for respiration as his body needs more energy while he is running. B) His breathing rate increases, He needs to take in more oxygen for respiration. C) His breathing rate increases, He needs to take in more oxygen so that more oxygen can be carried to his body by his blood. D) None of above. Show Answer Correct Answer: A) His breathing rate increases, He needs to take in more oxygen for respiration as his body needs more energy while he is running. 34. Valve found between the LA and the LV A) Aortic. B) Tricuspid. C) Bicuspid. D) Pulmonary. Show Answer Correct Answer: C) Bicuspid. 35. Blood pressure can be measures with the help of an instrument called ..... A) Barometer. B) Hygrometer. C) Thermometer. D) Sphygmomanometer. Show Answer Correct Answer: D) Sphygmomanometer. 36. This determines whether a person's blood type is positive or negative ..... A) Platelets. B) Rh factor. C) D antibodies. D) Plasma. Show Answer Correct Answer: B) Rh factor. 37. Passage of water molecules through root hairs into the root cells is an ..... A) Active transport. B) Passive transport. C) Both. D) None is none. Show Answer Correct Answer: B) Passive transport. 38. What is the size of the human heart typically compared to? A) To pea. B) A grapefruit. C) Your fist. D) A basketball. Show Answer Correct Answer: C) Your fist. 39. This structure is on the outside of the heart and supplies blood to the myocardium. A) Auricles. B) Left and right coronary arteries. C) Pericardium. D) Interventricular groove or sulcas. Show Answer Correct Answer: B) Left and right coronary arteries. 40. What is the role of white blood cells in the circulatory system? A) To carry oxygen. B) To fight infections and foreign invaders. C) To transport nutrients. D) To produce hormones. Show Answer Correct Answer: B) To fight infections and foreign invaders. 41. Frances was seen at the urgent care center complaining of chest pain. Diagnostic tests revealed that Frances had a heart attack. This is caused by A) Heart failure. B) Coronary artery disease. C) Angina pectoris. D) Arrhythmias. Show Answer Correct Answer: B) Coronary artery disease. 42. Which of these blood vessels carry blood away from the heart? A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: C) Arteries. 43. What is plasma mostly made of A) Protein. B) Water. C) Lipids. D) Red blood cells. Show Answer Correct Answer: B) Water. 44. The heart is known as a Double Pump because both sides beat in unison. A) True. B) False. Show Answer Correct Answer: A) True. 45. Amphibians have ..... atria A) Two. B) Three. C) One. D) Four. Show Answer Correct Answer: A) Two. 46. Also known as throat, it is a tube in which both air and food passes through. A) Pharynx. B) Bronchi. C) Larynx. D) Trachea. Show Answer Correct Answer: A) Pharynx. 47. What is the function of the human respiratory system? A) Regulation of body temperature. B) Transport of nutrients. C) Exchange of gases. D) Converting food to energy. Show Answer Correct Answer: C) Exchange of gases. 48. There are 3 layers to the heart. This is the middle layer of the heart wall. It is the thickest of the 3 layers and is made of cardiac muscle arranged spirally around the heart which creates a "wringing" motion to the heart. A) Endothelium. B) Mediastinum. C) Visceral pericardium (aka:epicardium). D) Myocardium. Show Answer Correct Answer: D) Myocardium. 49. The person having ..... blood group is a universal recipient A) AB. B) B. C) O. D) A. Show Answer Correct Answer: A) AB. 50. Deoxygenated blood pathway arrange steps from 1-7:pulmonary artery A) 7. B) 6. C) 5. D) 3. E) 4. Show Answer Correct Answer: B) 6. 51. This organism recycles nutrients back into the soil when it breaks down dead stuff A) Producers. B) Consumers. C) Decomposers. D) None of above. Show Answer Correct Answer: C) Decomposers. 52. True or False:Lungs are strong structures A) True. B) This is not an answer, don't click here. C) This is not an answer, don't click here. D) False. Show Answer Correct Answer: D) False. 53. A group of similar cells to perform a specific function form A) Organism. B) Organ. C) Tissue. D) Organ system. Show Answer Correct Answer: C) Tissue. 54. Name the protective covering of heart A) Pericardium. B) Visceral membrane. C) Meninges. D) Pleura. Show Answer Correct Answer: A) Pericardium. 55. The right atrium receives ..... blood from the ..... A) Oxygenated, lungs. B) Deoxygenated, body. C) Oxygenated, body. D) Deoxygenated, lungs. Show Answer Correct Answer: B) Deoxygenated, body. 56. It is the main organ of the circulatory system. A) Blood vessels. B) Blood. C) Aorta. D) Heart. Show Answer Correct Answer: D) Heart. 57. The largest structures in your heart are the two chambers. A) False. B) True. Show Answer Correct Answer: A) False. 58. Which of these answers is a blood vessel? A) Blood. B) Bones. C) Food. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 59. Has lots of valves A) Venous Vessels (Back) [6]. B) Arteries (pulses) [6]. Show Answer Correct Answer: A) Venous Vessels (Back) [6]. 60. Blood carry ..... and ..... to your body cells A) Nitrogen and Oxygen. B) Nutrients and Plasma. C) Oxygen and Nutrients. D) Iron and antibodies. Show Answer Correct Answer: C) Oxygen and Nutrients. ← 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