This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 52 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 52 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Someone with Type AB blood has ..... A) Both A & B antibodies. B) No antibodies. C) Only A antigens. D) Only B antigens. Show Answer Correct Answer: B) No antibodies. 2. The heart is the size of A) Your fist. B) Your thumb. C) Your ribcage. D) Your foot. Show Answer Correct Answer: A) Your fist. 3. While studying about food chains in their science class, Mia, Ethan, and Isabella were asked, 'What happens when the population of predators in an ecosystem increases significantly?' A) The population of prey decreases. B) The population of other predators decreases. C) The population of other predators increases. D) The population of prey increases. Show Answer Correct Answer: A) The population of prey decreases. 4. Pulmonary arteries carry A) Impure blood. B) Oxygenated blood. C) Mixed blood. D) None. Show Answer Correct Answer: A) Impure blood. 5. These fatty substances stick to the artery walls. A) Sugars. B) Calcium. C) Platelets. D) Cholesterol. Show Answer Correct Answer: D) Cholesterol. 6. The blood tastes saltish due to the presence of dissolved A) Ammonium nitrate. B) Potassium chloride. C) Sodium nitrate. D) Sodium chloride. Show Answer Correct Answer: D) Sodium chloride. 7. Fixes a damaged or faulty heart valve and helps your heart to pump blood properly. Your surgeon cuts down the midline of your chest, through your breastbone, to reach your heart. The faulty heart valve will then be repaired or replaced. A) Heart valve surgery. B) Defibrillation. C) Artificial pacemaker surgery. D) None of above. Show Answer Correct Answer: A) Heart valve surgery. 8. What is the pressure of blood against the walls of blood vessels? A) Blood pressure. B) Diastolic pressure. C) Systolic pressure. D) None of above. Show Answer Correct Answer: A) Blood pressure. 9. Recall what the liquid that the cells of blood are suspended in is called. A) Plasma. B) Platelets. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: A) Plasma. 10. Caused by buildup of cholesterol and fats in the arterial wall. the fats narrows the artery which restrain blood flow through the heart A) Arteriosclerosis. B) Hypertension. C) Varicose veins. D) Anemia. Show Answer Correct Answer: A) Arteriosclerosis. 11. Doctors use a device called an oscilloscope to hear your heart beating. A) True. B) False. Show Answer Correct Answer: B) False. 12. Which component of blood is responsible for clotting and preventing excessive bleeding? A) Platelets. B) Red blood cells. C) Plasma. D) White blood cells. Show Answer Correct Answer: A) Platelets. 13. Some of the components of the blood of a mammal are listed. 1. Fibrinogen2. White blood cells3. Platelets4. AntibodiesWhich two of these components are involved in attacking bacteria and other foreign organisms that cause diseases? A) 1 and 2. B) 2 and 3. C) 1 and 3. D) 2 and 4. Show Answer Correct Answer: D) 2 and 4. 14. The ..... side of your heart pumps oxygen-rich blood around the rest of your body. A) Left. B) Right. Show Answer Correct Answer: A) Left. 15. In terms of being open or closed, what is the state of the mitral and tricuspid valves (left and right atrioventricular valves, respectively) at the end of the first heart sound? A) Mitral is closed, tricuspid is open. B) Mitral is open, tricuspid is closed. C) Both are open. D) Both are closed. Show Answer Correct Answer: D) Both are closed. 16. Mechanisms enable water molecules to move upwards in xylem vessels..... A) Root pressure. B) Transpiration. C) Tensile strength of water The attractive forces of water molecules. D) All the above పైవన్నీ. Show Answer Correct Answer: D) All the above పైవన్నీ. 17. Prevent backflow of blood A) Pulse. B) Heart disease. C) Valves. D) Septum. Show Answer Correct Answer: C) Valves. 18. The trachea is a tube that divides into two smaller tubes called ..... A) Bronchi. B) Nostrils. C) Lungs. D) None of above. Show Answer Correct Answer: A) Bronchi. 19. In blood circulation, from right ventricle blood will travel to capillary in lung. after that blood will enters which chamber in the heart? A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: B) Left atrium. 20. Which of the following is a definition of tissue fluid? A) It is plasma that leaks out of the arterioles. B) It is plasma, without its proteins, that leaks out of the blood capillaries and bathe the body tissues. C) It is a fluid that is secreted by blood vessels to bathe the body tissues. D) It is the water found in our bodies. Show Answer Correct Answer: B) It is plasma, without its proteins, that leaks out of the blood capillaries and bathe the body tissues. 21. What is the structure that surrounds the heart? A) Peritoneum. B) Pericardium, a double-layered membrane. C) Pleura, a double-layered sheet of tissue. D) Pericardium, a single-layered membrane. Show Answer Correct Answer: B) Pericardium, a double-layered membrane. 22. Force exerted by circulating blood on the walls of blood vessels A) Aneurysm. B) Blood pressure. C) Aneurysm. D) Arteriosclerosis. E) Atherosclerosis. Show Answer Correct Answer: B) Blood pressure. 23. Oxygenated blood is lighter/darker/same in colour as deoxygenated blood A) Lighter. B) Darker. C) Same. D) None of above. Show Answer Correct Answer: A) Lighter. 24. What is the small blood vessels where oxygen and nutrients are EXCHANGED out with the waste of carbon dioxide? A) Vanes. B) Arteries. C) Veins. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 25. Which component of blood is responsible for transporting gases? A) White blood cells. B) Red blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: B) Red blood cells. 26. Circulating hormones This includes..... A) Blood function (6). B) Blood components. Show Answer Correct Answer: A) Blood function (6). 27. Your heart is a ..... organ. A) Tiny. B) Digestive system. C) Muscular. D) Useless. Show Answer Correct Answer: C) Muscular. 28. What pumps blood through the body? A) Blood Vessels. B) Heart. C) Blood. D) None of above. Show Answer Correct Answer: B) Heart. 29. Carry blood BACK towards your heart. A) Capillaries. B) Veins. C) Arteries. D) None of above. Show Answer Correct Answer: B) Veins. 30. Role of circulatory system A) Transports substances throughout the body. B) Circulates oxygen, CO2, water, nutrients, and wastes. C) All of the above. D) None of above. Show Answer Correct Answer: C) All of the above. 31. Tricuspid valve is placed in between..... A) Left atrium and left ventricle. B) Right atrium and left atrium. C) Right atrium and right ventricle. D) Left atrium and right venricle. Show Answer Correct Answer: C) Right atrium and right ventricle. 32. Which of the following can best be compared to soldiers? A) White blood cells. B) Red blood cells. C) Lungs. D) Capillaries. Show Answer Correct Answer: A) White blood cells. 33. Which blood vessel brings blood BACK UP into the heart? A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: A) Veins. 34. Which heart valves are NOT actively closed by the contraction of muscular structures? A) Tricuspid valves. B) Mitral valves. C) Semilunar valves. D) Atrioventricular valves. Show Answer Correct Answer: C) Semilunar valves. 35. Systolic pressure indicates the upper limit of Blood Pressure A) False, Systolic pressure indicates the lower limit of Blood Pressure. B) True. Show Answer Correct Answer: B) True. 36. When blood moves from an atrium to a ventricle, it must pass through a ..... A) Lymph node. B) Semilunar valve. C) Murmur. D) One-way valve. Show Answer Correct Answer: D) One-way valve. 37. What type of circulation sends blood to and from the lungs? A) Pulmonary. B) Coronary. C) Systemic. D) None of above. Show Answer Correct Answer: A) Pulmonary. 38. Which of these vessels carry oxygenated blood away from the heart and to the body? A) Capillaries. B) Veins. C) Capsize. D) Arteries. Show Answer Correct Answer: D) Arteries. 39. Blood circulation from the heart to the body's cells and back to the heart again is called A) Heart to lung Circulation. B) Full body Circulation. C) Systemic Circulation. D) Pulmonary Circulation. Show Answer Correct Answer: C) Systemic Circulation. 40. A type of blood vessel that carries oxygenated blood away from the heart. A) Vena cava. B) Capillaries. C) Veins. D) Arteries. Show Answer Correct Answer: D) Arteries. 41. Which type of blood can a O blood type receive? A) Any blood type. B) Only O. C) AB. D) A. Show Answer Correct Answer: B) Only O. 42. The only veins in the body that carry oxygenated blood are the: A) Subclavian veins. B) Coronary veins. C) Vena cava. D) Pulmonary veins. Show Answer Correct Answer: D) Pulmonary veins. 43. What type of circulation sends oxygen-depleted blood away from the heart? A) Systemic circulation. B) Pulmonary circulation. Show Answer Correct Answer: B) Pulmonary circulation. 44. Which of the following cells is responsible for immune response of the body A) Platelets. B) Lymphocytes. C) Eosinophils. D) RBCs. Show Answer Correct Answer: B) Lymphocytes. 45. Each upper chamber, called an ....., pumps blood to the chamber below it, called a ventricle. A) Atrium. B) Capillary. C) Valve. D) Artery. Show Answer Correct Answer: A) Atrium. 46. Part of the heart preventing blood to flow back. A) Valve. B) Atrium. C) Ventricle. D) Aorta. Show Answer Correct Answer: A) Valve. 47. Which system sends electrical signals to the heart to tell it to beat? A) Nervous System. B) Digestive System. C) Skeletal System. D) Respiratory System. Show Answer Correct Answer: A) Nervous System. 48. Also known as thrombocytes A) Red blood cell. B) Platelets. C) White blood cell. D) Plasma. Show Answer Correct Answer: B) Platelets. 49. The respiratory system works together with the circulatory system to ensure all parts of our body receive enough oxygen. A) True. B) False. Show Answer Correct Answer: A) True. 50. Which of the following has nucleus present in them? A) WBC. B) Platelets. C) Both A and B. D) None of above. Show Answer Correct Answer: A) WBC. 51. The fluid in which other parts of the blood are suspended A) Platelets. B) White Blood Cells. C) Hemoglobin. D) Plasma. E) Blood. Show Answer Correct Answer: D) Plasma. 52. The force applied to arterial walls as the heart pumps blood is called A) Viscosity. B) Blood pressure. C) Resistance. D) Blood volume. Show Answer Correct Answer: B) Blood pressure. 53. What is the main job of the heart? A) Pumping blood. B) Pumping air. C) Pumping water. D) Pumping blood, air, and water. Show Answer Correct Answer: A) Pumping blood. 54. What is the energy conversion during photosynthesis? A) Radiant $\rightarrow$ chemical. B) Chemical $\rightarrow$ chemical. C) Chemical $\rightarrow$ electrical. D) Thermal $\rightarrow$ electrical. Show Answer Correct Answer: A) Radiant $\rightarrow$ chemical. 55. What can blockage of any of coronary arteries(arteries connected to heart) cause? A) Cardiac arrest. B) Heart attack. C) Nothing. D) Death. Show Answer Correct Answer: B) Heart attack. 56. Nose, windpipe and lungs help us to ..... A) Breathe. B) Digest our foods. C) Help move substances around our body. D) None of above. Show Answer Correct Answer: A) Breathe. 57. Our body has various parts called ..... A) Organ system. B) Organs. C) Sense organs. D) None of above. Show Answer Correct Answer: B) Organs. 58. Blood with carbon dioxide A) Enters the right side of the heart. B) Enters the left side of the heart. C) Enters both the side of the heart. D) Does not enter the heart. Show Answer Correct Answer: A) Enters the right side of the heart. 59. The blood vessel which carries blood to the whole body is called ..... A) Venule. B) Arteriosclerosis. C) Vein. D) Artery. Show Answer Correct Answer: D) Artery. 60. WHICH OF THE FOLLOWING ORGANS PUMPS BLOOD? A) VEIN. B) LUNGS. C) HEART. D) ARTERY. Show Answer Correct Answer: C) HEART. ← 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