This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 147 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 147 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In the correct sequence of the cardiac conduction system, an impulse will travel to from the right and left bundle branches to the ..... ? A) Purkinje fibers. B) AV node. C) Bundle of His. D) Right and left bundle branches. Show Answer Correct Answer: A) Purkinje fibers. 2. When it passes through the lungs, hemoglobin gathers oxygen and carries it to the whole body A) Plasma. B) Blood. C) Transportation path. D) White blood cells. E) Red blood cells. Show Answer Correct Answer: E) Red blood cells. 3. True or False:Pulmonary veins take unoxygenated blood away from the heart. A) False. B) True. Show Answer Correct Answer: A) False. 4. Pulmonary veins carry blood towards ..... A) The R atrium. B) The L atrium. C) The lungs. D) The R ventricle. E) The L ventricle. Show Answer Correct Answer: B) The L atrium. 5. * ..... bring blood close to every cell. A) Veins. B) Arteries. C) Capillaries. D) Vessels. Show Answer Correct Answer: C) Capillaries. 6. Nutrients are exchanged between the blood and body cells in the A) Veins. B) Capillaries. C) Arteries. D) Aorta. Show Answer Correct Answer: B) Capillaries. 7. In the cells of the human body, oxygen molecules are used directly in a process that A) Releases energy. B) Alters the genetic traits of the cell. C) Digests fat. D) Synthesizes carbohydrate molecules. Show Answer Correct Answer: A) Releases energy. 8. What is the fuction of the circulatory system? A) Absorb the nutrients from food. B) Transport nutrients and oxygen. C) Pump blood to the heart. D) Obtain oxygen for the cells. Show Answer Correct Answer: B) Transport nutrients and oxygen. 9. What are two differences between anaerobic and aerobic respiration? A) Aerobic produces more ATP and doesn't require oxygen. B) Aerobic produces more ATP and requires oxygen. C) Anaerobic produces more ATP and doesn't require oxygen. D) Anaerobic produces more ATP and requires oxygen. Show Answer Correct Answer: B) Aerobic produces more ATP and requires oxygen. 10. What is another name for an erythrocyte? A) White blood cell. B) Red blood cell. C) Platelets. D) None of above. Show Answer Correct Answer: B) Red blood cell. 11. The pulmonary veins carry ..... blood ..... the heart. A) Oxygenated; from the lungs back to. B) Deoxygenated; from the lungs back to. C) Oxygenated; away from. D) Deoxygenated; away from. Show Answer Correct Answer: A) Oxygenated; from the lungs back to. 12. Which two organs are connected by the hepatic portal vein? A) Intestine and kidneys. B) Liver and kidneys. C) Intestine and liver. D) Lungs and heart . Show Answer Correct Answer: C) Intestine and liver. 13. What is the function of the Lymphatic System? A) Gas exchange. B) Maintain blood pressure. C) Filters pathogens from lymph and returns it to the circulatory system. D) Helps with blood clotting. Show Answer Correct Answer: C) Filters pathogens from lymph and returns it to the circulatory system. 14. Which type of blood vessel is primarily responsible for the exchange of materials between the blood and tissue cells? A) Venules. B) Arteries. C) Veins. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 15. True Or False:Blood Carries The Oxygen All Around The Body A) False. B) True. Show Answer Correct Answer: B) True. 16. Phagocytes and lymphocytes are both types of A) Lysozymes. B) Red blood cells. C) White blood cells. D) Pathogens. Show Answer Correct Answer: C) White blood cells. 17. What is phagocytosis? A) When a cell goes away from another. B) When a cell detaches from another. C) When a cell consumes another cell. D) When a cell attaches to one another. Show Answer Correct Answer: C) When a cell consumes another cell. 18. The red blood cells of the toads are nucleated A) False. B) True. Show Answer Correct Answer: B) True. 19. Red Blood Cells contain a special protein called hemoglobin, which helps carry ..... from the lungs to the rest of the body. A) Nerve impulses. B) Oxygen. C) Nitrogen. D) Water. Show Answer Correct Answer: B) Oxygen. 20. When blood enters the 1: ....., it release carbon dioxide and obtains 2: ..... A) It's no't the correct answer. B) 1:Alveoli 2:CO2. C) 1:Let us pronounce:bad. D) 1:Lungs2:O2. Show Answer Correct Answer: D) 1:Lungs2:O2. 21. Muscles attached to the heart..... Muscles attached to the heart. A) Straited muscles రే కిత. B) Un straited muscles అరే కిత. C) Cardiac. D) All the above. పైవన్నీ. Show Answer Correct Answer: C) Cardiac. 22. What is the valve between the right atrium and ventricle? A) Tricuspid Valve. B) Mitral valve. C) Bicuspid valve. D) Aortic valve. E) Pulmonary valve. Show Answer Correct Answer: A) Tricuspid Valve. 23. Which substance is coded for by a length of DNA? A) B fatty acid. B) A fat. C) D lipase. D) C glycerol. Show Answer Correct Answer: C) D lipase. 24. 2 types of blood pressure A) Systemic and pulmonary. B) Systolic and diastolic. C) Heart and lungs. D) Capillaries and arteries. Show Answer Correct Answer: B) Systolic and diastolic. 25. Blood is neutralized in (1) and removed in (2) A) = Liver(2) = Kidney. B) = Kidney(2) = Liver. Show Answer Correct Answer: A) = Liver(2) = Kidney. 26. Blood is not warm, so it does not help to keep your body warm A) True. B) False. Show Answer Correct Answer: B) False. 27. The heart is a muscle the size of your A) Fist. B) Hand. C) Foot. D) Five fingers. Show Answer Correct Answer: A) Fist. 28. The circulatory system is made up of which of the following parts? A) Brain, nerves and spinal cord. B) Cells, lungs and heart. C) Heart, blood vessels and blood. D) Skin, tissues and muscles. Show Answer Correct Answer: C) Heart, blood vessels and blood. 29. Name the type of blood vessel that transports blood away from the heart. A) Capillary. B) Vein. C) Artery. D) Vena cava. Show Answer Correct Answer: C) Artery. 30. These cells play a vital role in defending the body against infection A) Leucocytes. B) Blastocytes. C) Plasmacytes. D) Erythrocytes. Show Answer Correct Answer: A) Leucocytes. 31. Which part of the heart pumps blood into the lungs through the pulmonary track? A) R atrium. B) R ventricle. C) 50 court. D) L ventricle. Show Answer Correct Answer: B) R ventricle. 32. Arteries? They are usually seen as red in pictures to show they are carrying carry oxygenated blood. A) A tubular structure carrying blood through the tissues and organs; a vein, artery, or capillary. B) Smaller blood vessels, they're about the size of one piece of hair. C) Carry oxygen and nutrients away from your heart to your body's tissues. D) None of above. Show Answer Correct Answer: C) Carry oxygen and nutrients away from your heart to your body's tissues. 33. What is transpiration? A) When the plant uses sugar for energy. B) Excess water being released from the leaves. C) The way a plant makes its food. D) Excess sugar being released from the leaves. Show Answer Correct Answer: B) Excess water being released from the leaves. 34. Which pressure is highest at the arteriole end of the capillary bed? A) Water potential. B) Hydrostatic pressure. C) Oncotic pressure. D) Oncostatic pressure. Show Answer Correct Answer: B) Hydrostatic pressure. 35. These blood vessels always carry blood away from the heart. A) Atria. B) Veins. C) Ventricles. D) Arteries. Show Answer Correct Answer: D) Arteries. 36. Blood carries ....., ....., and ..... to our body. A) Nutrients, oxygen, sugars. B) Carbon dioxide, vitamins, salt. C) Vitamin K, rice, sugar. D) None of above. Show Answer Correct Answer: A) Nutrients, oxygen, sugars. 37. How long does it take for blood to travel around our whole body? A) 1 minute. B) 5 minutes. C) 40 seconds. D) 20 seconds. Show Answer Correct Answer: D) 20 seconds. 38. Another name for bicuspid valve..... A) Tricuspid valve. B) Pulmonary valve. C) Bicuspid valve. D) None is none. Show Answer Correct Answer: D) None is none. 39. Gas exchange occurs between the thin walls of the ..... and ..... A) Alveoli; Capillaries. B) Tissue; Alveoli. C) Bronchi; Capillaries. D) Bronchi; Bronchioles. Show Answer Correct Answer: A) Alveoli; Capillaries. 40. A hematologist would MOST LIKELY treat someone with: A) Arrhythmia. B) Anemia. C) Myocardial infarction. D) Varicose veins. Show Answer Correct Answer: B) Anemia. 41. Which component of blood is responsible for carrying oxygen? A) Platelets. B) Plasma. C) Red blood cell. D) White blood cell. Show Answer Correct Answer: C) Red blood cell. 42. The muscular organ that pumps blood around the body A) Vein. B) Heart Chamber. C) Heart. D) Lung. Show Answer Correct Answer: C) Heart. 43. Lymphatic system runs parallel to..... A) Arterial system. B) Venous system. C) Both. D) None is none. Show Answer Correct Answer: B) Venous system. 44. ..... prevent the backward flow of blood. A) Valves. B) Ventricles. C) Veins. D) Viscosity. Show Answer Correct Answer: A) Valves. 45. Lime water can be used to detect the presence of oxygen A) False. B) True. Show Answer Correct Answer: A) False. 46. The inferior vena cava brings the ..... blood to the ..... A) Oxygenated blood, right ventricle. B) Deoxygenated blood, left ventricle. C) Oxygenated, left atrium. D) Deoxygenated blood, right atrium. Show Answer Correct Answer: D) Deoxygenated blood, right atrium. 47. The lymp is formed of interstitial fluid and blood plasma. A) False. B) True. Show Answer Correct Answer: B) True. 48. When these contract, the a-v (atrio-ventricular) valves close: A) Atria. B) Aorta. C) Pulmonary arteries. D) Ventricles. Show Answer Correct Answer: D) Ventricles. 49. Which chamber of the heart has the thinnest myocardial wall? A) Right atrium. B) Right ventricle. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: A) Right atrium. 50. The red fluid that circulates in the heart, arteries, veins and capillaries of humans and animals. Picks up oxygen in the lungs and carries it all over the body. A) Blood. B) Oxygen. C) Circulation. D) Carbon Dioxide. Show Answer Correct Answer: A) Blood. 51. We breathe in carbon dioxide and breathe out oxygen A) False. B) True. Show Answer Correct Answer: A) False. 52. Food broken down by physical processes is called A) Mechanical digestion. B) Chemical digestion. Show Answer Correct Answer: A) Mechanical digestion. 53. Where oxygen is brought into the body and Carbon Dioxide is removed from the body A) Trachea. B) Alveoli. C) Bronchi. D) Lungs. E) Pharynx. Show Answer Correct Answer: D) Lungs. 54. What artery is attached to the heart? A) The AORTA. B) The FEMORAL. C) The RADIAL . D) None of above. Show Answer Correct Answer: A) The AORTA. 55. A-25-years old medical student came to you with Blood Report that shows Hb 7% MCV 70. The probably cause of this aneamia is; A) Aplastic anemia. B) Thalassemia. C) Anemia of chronic disease. D) Iron deficiency. Show Answer Correct Answer: D) Iron deficiency. 56. Why does deoxygenated blood go to the lungs? A) To collect oxygen. B) To deliver oxygen. C) To pick up carbon dioxide. D) None of above. Show Answer Correct Answer: A) To collect oxygen. 57. Which type of respiration is being described if glucose is oxidized by the presence of oxygen and formed ATP? A) Cellular respiration. B) Breathing. C) External respiration. D) Internal respiration. Show Answer Correct Answer: A) Cellular respiration. 58. Valve between the left ventricle and the aorta. A) Tricuspid valve. B) Mitral valve. C) Aortic valve. D) Pulmonary valve. Show Answer Correct Answer: C) Aortic valve. 59. Flaps that allow blood to flow in only one direction through the heart. A) Pumps. B) Skin. C) Veins. D) Valves. Show Answer Correct Answer: D) Valves. 60. Birds have ..... ventricle (s) A) Four. B) Two. C) One. D) Three. Show Answer Correct Answer: B) Two. ← 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