This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 203 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 203 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In the blood, most oxygen is carried as (A), most carbon dioxide is carried as (B) A) A) Oxyhaemoglobin, B) Bicarbonate ions. B) A) Dissolved in plasma, B) Carbaminohaemoglobin. C) A and B are dissolved in plasma. D) A) Oxyhaemoglobin, B) Carbaminohaemoglobin. Show Answer Correct Answer: A) A) Oxyhaemoglobin, B) Bicarbonate ions. 2. Which two blood vessels carry blood towards the heart? A) Aorta & pulmonary artery. B) Aorta & pulmonary vein. C) Pulmonary artery & vena cava. D) Pulmonary vein and vena cava. Show Answer Correct Answer: D) Pulmonary vein and vena cava. 3. What is the process by which molecules move from an area in which they are highly concentrated to an area in which they are less concentrated? A) Digestion. B) Respiration. C) Diffusion. D) None of above. Show Answer Correct Answer: C) Diffusion. 4. Vessels that return blood to the heart. A) Arteries. B) Veins. C) Capillaries. D) Lymph nodes. Show Answer Correct Answer: B) Veins. 5. The heart, the lungs, the stomach and kidneys are all examples of: A) Hairs. B) Cells. C) Cats. D) Organs. Show Answer Correct Answer: D) Organs. 6. A group of different tissues that join together into one structure A) Organism. B) System. C) Organ. D) Tissue. Show Answer Correct Answer: C) Organ. 7. Which of the following statements is not a characteristic of arteries is..... A) The place where blood comes out of the heart. B) Carries O2 out of the heart. C) It is located in an area slightly deeper than the skin. D) Strong pressure. Show Answer Correct Answer: B) Carries O2 out of the heart. 8. What are the two types of blood cells? A) Red and Black. B) Blue and Yellow. C) Green and White. D) Red and White. Show Answer Correct Answer: D) Red and White. 9. Arteries taking low oxygenated blood from the lower right heart chamber to the lungs A) Aorta. B) Femoral artery. C) Radial artery. D) Pulmonary arteries. Show Answer Correct Answer: D) Pulmonary arteries. 10. A chamber that receives the incoming blood to the heart. A) Septum. B) Atrium. C) Arteries. D) Ventricles. Show Answer Correct Answer: B) Atrium. 11. A type of vessel wherein the direction of blood flow is toward the heart. A) Vein. B) Artery. C) Capillary. D) None of above. Show Answer Correct Answer: A) Vein. 12. Plasma has the following function: A) To carry oxyhaemoglobin. B) To create antibodies. C) To transport different substances. D) None of above. Show Answer Correct Answer: C) To transport different substances. 13. The "big circulation" is also called the A) Systemic circuit. B) Hepathic circuit. C) Pulmonary circuit. D) Arterial circuit. Show Answer Correct Answer: A) Systemic circuit. 14. What is described as a 'waste product' of blood? A) Hydrogen. B) Carbon dioxide. C) Oxygen. D) Sucrose. Show Answer Correct Answer: B) Carbon dioxide. 15. The smallest blood vessels called capillaries A) True. B) False. Show Answer Correct Answer: A) True. 16. Blood type A has what antibodies? A) We are good. B) Female. C) Both. D) Neither. Show Answer Correct Answer: A) We are good. 17. His purkinje file A) Heart wall (3). B) Heart room. C) Heart valves (3). D) Cardiac nerves (3). Show Answer Correct Answer: D) Cardiac nerves (3). 18. What blood vessel is responsible for moving oxygen-rich blood from the heart to the rest of the body? A) Capillaries. B) Superior vena cava. C) Veins. D) Arteries. Show Answer Correct Answer: D) Arteries. 19. Our largest blood vessel is..... A) Aorta. B) Capillaries. C) Pulmonary vein. D) Pulmonary artery. Show Answer Correct Answer: A) Aorta. 20. If a blood clot prevents blood from reaching the heart, we call this a ..... A) Hypertension. B) Heart attack. C) Stroke. D) Pulse. Show Answer Correct Answer: B) Heart attack. 21. Tick the anti-inflammatory chemical A) Heparin. B) Prothrombin. C) Histamine. D) Antitoxins. Show Answer Correct Answer: C) Histamine. 22. Tubes containing bloodare called ..... A) Bronchi. B) Blood vessels. C) Capillaries. D) Alveoli. Show Answer Correct Answer: B) Blood vessels. 23. ..... is/are the liquid medium in which the cells are suspended and nutrients are carried. A) Plasma. B) White Blood Cells. C) Red Blood Cells. D) Platelets. Show Answer Correct Answer: D) Platelets. 24. The two important proteins present in the plasma are A) Erythrocytes and leucocytes. B) Fibrinogen and globulin. C) Fibrin and monocytes. D) None of above. Show Answer Correct Answer: B) Fibrinogen and globulin. 25. In the human body, our ..... system collects oxygen from the air. A) Nervous. B) Digestive. C) Respiratory. D) Circulatory. Show Answer Correct Answer: C) Respiratory. 26. True or False? Two types of blood vessels are arteries and veins A) False. B) True. Show Answer Correct Answer: B) True. 27. Protein that makes red blood cells red A) Water. B) Hemoglobin. C) Plasma. D) Pulmonary. Show Answer Correct Answer: B) Hemoglobin. 28. The heart pumps ..... A) Air. B) Water. C) Blood. D) Food. Show Answer Correct Answer: C) Blood. 29. Each lower chamber of the heart is called a(n) ..... A) Atrium. B) Spleen. C) Pulmonary artery. D) Ventricle. Show Answer Correct Answer: D) Ventricle. 30. The deoxygenated blood pass from the right atrium to ..... (chamber) through valves? A) Pulmonary vein. B) Right ventricle. C) Lungs. D) Aorta. Show Answer Correct Answer: B) Right ventricle. 31. TRUE or FALSEThere are two types of blood vessels. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 32. Involuntary muscles are found in: A) The walls of our stomach and intestine. B) The legs and arms. Show Answer Correct Answer: A) The walls of our stomach and intestine. 33. The fluid that transports fatty acid and glycerol. A) Serum. B) Blood. C) Plasma. D) Lymph. Show Answer Correct Answer: D) Lymph. 34. Piece of cell that is involved in blood clotting A) Hemoglobin. B) Red blood cell. C) White blood cell. D) Platelets. Show Answer Correct Answer: D) Platelets. 35. The Circulatory system has three parts. A) True. B) False. Show Answer Correct Answer: A) True. 36. Veins are blood vessels that take blood from tissues to the heart A) False. B) True. Show Answer Correct Answer: B) True. 37. Greek philosopher called ..... said that the heart made blood and pumped it to every part of the body, where it was used up. A) William Harvey. B) Galen. C) Ibn al-Nafis. D) None of above. Show Answer Correct Answer: B) Galen. 38. Neutrophils (general phagocytes) deal with..... A) Anything. B) Allergy. C) Worm. D) Bacterial infections (specific). Show Answer Correct Answer: A) Anything. 39. What are the cells that are granulocytes? A) Erythrocytes. B) Lymphocytes and monocytes. C) Eosinophils and monocytes. D) Neutrophils, basophils, and eosinophils. Show Answer Correct Answer: D) Neutrophils, basophils, and eosinophils. 40. Which of the following two-word items mean the same thing? A) Blood cancer-Haemophilia. B) Pacemaker-S A Node. C) Osteoporosis-arthritis. D) None of the above. Show Answer Correct Answer: B) Pacemaker-S A Node. 41. Substances that trigger and immune response are: A) Antigens. B) Plasma. C) Antibodies. D) Mitochondria. Show Answer Correct Answer: A) Antigens. 42. Term used to discuss any change or deviation from the normal rate or rhythm of the heart A) Sickle cell anemia. B) Aneurysm. C) Arrhythmia. D) Hematoma. Show Answer Correct Answer: C) Arrhythmia. 43. A type of blood cell that helps the body fight pathogens (things that can cause diseases). A) Red blood cell. B) Septum. C) Platelets. D) White blood cell. Show Answer Correct Answer: D) White blood cell. 44. The ..... valve allows blood to flow from the left ventricle to the aorta. A) Mitral Valve. B) Tricuspid Valve. C) Aortic Valve. D) Pulmonary Valve. Show Answer Correct Answer: C) Aortic Valve. 45. The oxygenated is pump by ..... to the aorta A) The contraction of left ventricle. B) The contraction of valve. C) The contraction of lung. D) The contraction of left atrium. Show Answer Correct Answer: A) The contraction of left ventricle. 46. The myocardium is A) Thick muscular layer of the heart. B) Thick muscular layer of the arteries. C) Thin layer of the veins. D) None of above. Show Answer Correct Answer: A) Thick muscular layer of the heart. 47. What are blood types determined by? A) Marker molecules in plasma. B) Marker molecules on white blood cells. C) Marker molecules in lymph. D) Marker molecules on red blood cells. Show Answer Correct Answer: D) Marker molecules on red blood cells. 48. For the average adult, the heart beats about ..... times a minute. A) 40. B) 70. C) 50. D) 60. Show Answer Correct Answer: B) 70. 49. Which heart chambers generates the greatest blood pressure? A) Right ventricle. B) Left atrium. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 50. What chamber of the heart pumps blood to the arms? A) Left Atrium. B) Left Ventricle. C) Right Ventricle. D) Right Atrium. Show Answer Correct Answer: B) Left Ventricle. 51. A clot that has occured in an unbroken (intact) blood vessel is a bad thing and called a ..... A) Platelet plug. B) Thrombus. C) Hematoma. D) Scab. Show Answer Correct Answer: B) Thrombus. 52. Which blood type is the universal donor (all people can receive it)? A) A. B) B. C) O. D) AB. Show Answer Correct Answer: C) O. 53. The circulatory system can be thought of as a ..... system that delivers oxygen and nutrients in the blood to every part of the body. A) Transportation. B) Muscular. C) Breathing. D) Coloring. Show Answer Correct Answer: A) Transportation. 54. Breathing air into lungs A) Exhalation. B) Inhalation. Show Answer Correct Answer: B) Inhalation. 55. Which disease that related to circulatory system? A) Asthma. B) Allergy. C) Emphysema. D) Hypertension. Show Answer Correct Answer: D) Hypertension. 56. Tubes that carry blood throughout the body A) Heart. B) Nutrients. C) Blood vessels. D) None of above. Show Answer Correct Answer: C) Blood vessels. 57. The blood vessel that has the largest diameter is A) Vein. B) Artery. C) Capillary. D) None of above. Show Answer Correct Answer: A) Vein. 58. Which blood cell that can detect the germs? A) Red blood cell. B) White blood cell. C) Blue blood cell. D) None of above. Show Answer Correct Answer: B) White blood cell. 59. Blood coming from the body organs carries A) Oxygen. B) Carbon dioxide. C) Both. D) None of above. Show Answer Correct Answer: B) Carbon dioxide. 60. What problems cause a heart murmur? A) Low BP. B) Faulty valves. C) High chloestrol. D) High BP. Show Answer Correct Answer: B) Faulty valves. ← 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