This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System â Quiz 96 ð Homepage ð Download PDF Books ð Premium PDF Books Circulatory System Quiz 96 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. High blood pressure that can lead to weakened and less flexible arteries is called ..... A) Diabetes. B) Stroke. C) Hypertension. D) Pneumonia. Show Answer Correct Answer: C) Hypertension. 2. What is the function of the left ventricle in the heart? A) Pumps oxygenated blood to the body. B) Pumps blood to the lungs. C) Receives deoxygenated blood. D) Receives oxygenated blood. Show Answer Correct Answer: A) Pumps oxygenated blood to the body. 3. After jogging, I felt my heart beart rate increases. What will be my pulse rate? A) Decreases. B) Remains same. C) Increases. D) Cannot imagine. Show Answer Correct Answer: C) Increases. 4. The blood transports waste substances to the ..... A) Vena cava. B) Stomach. C) Kidneys. D) Pancreas. Show Answer Correct Answer: C) Kidneys. 5. Pulmonary, coronary or systemic circulation? Adds oxygen and removes carbon dioxide from the blood. A) PULMONARY. B) SYSTEMIC. C) CORONARY. D) None of above. Show Answer Correct Answer: A) PULMONARY. 6. Due to lack of significant pressure, valves are found in the A) Veins. B) Arteries. Show Answer Correct Answer: A) Veins. 7. Which type of blood cells is most important to carrying oxygen to body cells? A) White blood cells. B) Platelets. C) Red blood cells. D) Hemoglobin. Show Answer Correct Answer: C) Red blood cells. 8. Blood is squeezed out of the heart into the blood vessels when heart muscles ..... A) Relax. B) Contract. Show Answer Correct Answer: B) Contract. 9. Depolarization occurs when A) Sodium channels open. B) Potassium channels open. C) Potassium channels close. D) Sodium channels close. Show Answer Correct Answer: A) Sodium channels open. 10. Another name for the circulatory system is ..... because they describe the system that consists of the heart, blood vessels, and blood. A) Cardiovascular System. B) Heart. C) Vein. D) Artery. Show Answer Correct Answer: A) Cardiovascular System. 11. Circulatory system āļāļ·āļ? A) Circulatory system. B) Lymphatic circulation system. C) Water circulation system. D) Blood and lymphatic circulatory system. Show Answer Correct Answer: D) Blood and lymphatic circulatory system. 12. Which part of the heart has the thickest wall? A) Left Atrium. B) Right Atrium. C) Left Ventricle. D) Right Ventricle. Show Answer Correct Answer: C) Left Ventricle. 13. What is the blood vessel that allows the union between veins and arteries, forming a network? A) Arteries. B) Capillaries. C) Veins. D) Blood. Show Answer Correct Answer: B) Capillaries. 14. The part of the heart that receives blood from the body. A) Left Atrium. B) Left Ventricle. C) Right Ventricle. D) Right Atrium. Show Answer Correct Answer: D) Right Atrium. 15. The letter S refer to speed in FAST acronym A) True. B) False. Show Answer Correct Answer: B) False. 16. Veins and arteries are important to the circulatory sistem. Whats is the difference between the two? A) Arteries carry blood away from the heart, Veins carry the blood to the heart. B) Arteries carry blood to the heart, Veins carry the blood away from the heart. C) The veins carry bright red blood, arteries carry dark red blood. D) None of above. Show Answer Correct Answer: A) Arteries carry blood away from the heart, Veins carry the blood to the heart. 17. The fluid that escapes from the blood capillaries and then flows in special vessels is called ..... A) Plasma. B) Blood. C) Lymph. D) Serum. Show Answer Correct Answer: C) Lymph. 18. ALLOWS BLOOD TO GO THROUGH BUT NOT COME BACK A) VEINS. B) ATRIUMS. C) VALVES. D) ARTERIES. Show Answer Correct Answer: C) VALVES. 19. The pulmonary veins carry oxygenated blood back to the ..... A) Right atrium. B) Left atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: B) Left atrium. 20. Exercising causes your breathing rate and heart rate to speed up because ..... A) The muscles are releasing more oxygen into the blood, creating carbonic acid. B) There are more white blood cells in the blood during exercise. C) The muscles are releasing more carbon dioxide into the blood, creating carbonic acid. D) There are more red blood cells in the blood during exercise. Show Answer Correct Answer: C) The muscles are releasing more carbon dioxide into the blood, creating carbonic acid. 21. COMPONENTS OF THE BLOOD:Cells that defend us of illness. A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: B) White blood cells. 22. What is one function of blood plasma? A) Digesting pathogens. B) Transporting oxygen only. C) Regulating body temperature and transport digested food molecules e.g. glucose. D) Producing antibodies. Show Answer Correct Answer: C) Regulating body temperature and transport digested food molecules e.g. glucose. 23. The primary function of the small intestine is A) To get rid of wastes. B) To produce enzymes. C) To absorb nutrients. D) Store bile. Show Answer Correct Answer: C) To absorb nutrients. 24. Humans have a(n) A) Open circulatory system. B) Closed circulatory system. Show Answer Correct Answer: B) Closed circulatory system. 25. What is the purpose of the valves found in the heart? A) To keep blood pressure at the right level. B) To keep blood from flowing backward. C) To connect the chambers of the heart. D) To filter the blood. Show Answer Correct Answer: B) To keep blood from flowing backward. 26. Double circulation is necessary to ..... A) Keep oxygenated and deoxygenated blood separate. B) Supply sufficient amount of oxygen. C) To produce enough energy to maintain body temperature. D) All the above. Show Answer Correct Answer: D) All the above. 27. When our heart beats it is pumping blood in and out. A) True. B) False. Show Answer Correct Answer: A) True. 28. How many chambers of the heart does amphibians have? A) 1. B) 2. C) 4. D) 3. Show Answer Correct Answer: D) 3. 29. What type of antigens can be found if someone has blood type AB? A) A. B) B. C) A and B. D) None. Show Answer Correct Answer: C) A and B. 30. The types of blood that exist are A) A, B, C and O. B) OA, AB, B and A. C) Ab, b and a. D) A, B, AB and o. Show Answer Correct Answer: D) A, B, AB and o. 31. Given the following structures:1. bronchial tubes 2. air and nose 3. trachea 4. alvioli Which of the following is the correct order that air would flow during inhalation. A) 1, 2, 3, 4. B) 2, 1, 3, 4. C) 2, 3, 1, 4. D) 4, 2, 3, 1. Show Answer Correct Answer: C) 2, 3, 1, 4. 32. What is the potential consequence of an atrial septal defect? A) Heart failure. B) Stroke. C) All of the above. D) Abnormal heartbeat. Show Answer Correct Answer: C) All of the above. 33. Cartilage is a type of cushion located at the end of tissue. A) True. B) False. Show Answer Correct Answer: B) False. 34. Hemoglobin picks up and carries both ..... A) Carbon dioxide and oxygen. B) Carbon dioxide and waste. C) Nutrients and carbon dioxide. D) None of above. Show Answer Correct Answer: A) Carbon dioxide and oxygen. 35. The maximum pressure that develops in the arteries after heart muscle contraction- A) Systolic pressure. B) Vasoconstriction. C) Diastolic pressure. D) Vasodilation. Show Answer Correct Answer: A) Systolic pressure. 36. Which blood vessels contain oxygen rich blood? A) Capillaries. B) Veins. C) Arteries. D) None of above. Show Answer Correct Answer: C) Arteries. 37. ..... Very small tubes that extend from arteries to capillaries A) Arteriole. B) Venule. C) Capillaries. D) Veins. Show Answer Correct Answer: A) Arteriole. 38. ..... is defined as abnormal heart rate A) High blood pressure. B) Atherosclerosis. C) Arrhythmia. D) Prolapsed valves. Show Answer Correct Answer: C) Arrhythmia. 39. What are the tiny blood vessels where substances are exchanged between the blood and body cells? A) Arteries. B) Ventricles. C) Capillaries. D) Veins. Show Answer Correct Answer: C) Capillaries. 40. What is Haemoglobin? A) Blood Vessels. B) Blood Cells. C) A type of Capillary. D) Iron rich protein that transports oxygen in the blood cells. Show Answer Correct Answer: D) Iron rich protein that transports oxygen in the blood cells. 41. Ventricles receive the blood into the heart while the atriums pump it out. A) True. B) False. Show Answer Correct Answer: B) False. 42. Which one of them has an open circulatory system? A) Bird. B) Mammal. C) Insect. D) Earth worm. E) Human. Show Answer Correct Answer: C) Insect. 43. ..... take in oxygen and releases carbon dioxide as we breathe. A) Diaphragm. B) Nose/mouth. C) Lungs. D) Trachea. Show Answer Correct Answer: C) Lungs. 44. Closed type of circulation is not seen in ..... A) Earthworm. B) Molluscs Mollusca. C) Cockroach cockroach. D) All the above. Show Answer Correct Answer: C) Cockroach cockroach. 45. Artery carrying oxygen-poor blood from the heart to the lungs A) Inferior vena cava. B) Aortic valve. C) Superior vena cava. D) Pulmonary artery. Show Answer Correct Answer: D) Pulmonary artery. 46. A clot that attaches to the inner surface of a blood vessel is called a(n) ..... A) Scab. B) Embolus. C) Thrombus. D) Hematoma. Show Answer Correct Answer: C) Thrombus. 47. A blood donor with A type blood can give blood to people with what types of blood? A) B and AB. B) All types. C) O. D) A and AB. Show Answer Correct Answer: D) A and AB. 48. Which blood vessel has very thin, fragile walls and is where capillary exchange takes place? A) Veins. B) Blood Plasma. C) Capillaries. D) Arteries. Show Answer Correct Answer: C) Capillaries. 49. White blood cells are referred to as A) Erythrocyte. B) Leukocyte. C) Thrombocytes. D) None of above. Show Answer Correct Answer: B) Leukocyte. 50. What structure keeps blood flowing in the correct direction and prevent backflow or mixing of the blood? A) Arteries. B) Valves. C) Chambers. D) Veins. Show Answer Correct Answer: B) Valves. 51. A ..... prevents blood from flowing backwards in the heart. A) Chamber. B) Ventricle. C) Valve. D) Atrium. Show Answer Correct Answer: C) Valve. 52. It's the principal VEIN that conects the heart with more veins. A) Carotid artery. B) Femoral vein. C) Aorta. D) Vena cava. E) Femoral artery. Show Answer Correct Answer: D) Vena cava. 53. Wrong statement regarding Blood capillarues..... A) Connect arterioles and venules Connect arterioles with venules. B) Supply nutrients to tissues. C) Gaseous exchange. D) Collects tissue fluid. Show Answer Correct Answer: D) Collects tissue fluid. 54. Formation of blood cells A) Hemoglobin. B) Hemostasis. C) Hematocrit. D) Hematization. Show Answer Correct Answer: D) Hematization. 55. How many blood cells die/ born every second? A) 8 Million. B) 2.5 Million. C) 89 Thousand. D) 201 million. E) None Above. Show Answer Correct Answer: A) 8 Million. 56. Thrombocytes are fragments, or pieces, of cells. A) False. B) True. Show Answer Correct Answer: B) True. 57. What is another name for red blood cells? A) Lymphocytes. B) Hematocrit. C) Erythrocytes. D) Platelet. Show Answer Correct Answer: C) Erythrocytes. 58. The nervous system is made up of all the following EXCEPT A) Brain. B) Muscles. C) Spinal Cord. D) Nerves. Show Answer Correct Answer: B) Muscles. 59. Where does blood go after the pulmonary artery? A) Lungs. B) Left atrium. C) Cells. D) Aorta. Show Answer Correct Answer: A) Lungs. 60. What is the name of the fluid inside the lymphatic vessels? A) Lymph. B) Blood. C) Plasma. D) Tissue fluid. Show Answer Correct Answer: A) Lymph. â PreviousNext âRelated 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 ð Back to Homepage ð Download PDF Books ð Premium PDF Books