This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 60 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 60 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. THE TYPE OF BLOOD VESSELS THAT RETURNS BLOOD TO THE HEART A) Vein. B) Artery. C) Blood vessel. D) Capillaries. Show Answer Correct Answer: A) Vein. 2. What organ is the center of your circulatory system? A) Heart. B) Lungs. C) Brain. D) Blood cells. Show Answer Correct Answer: A) Heart. 3. The name of the main artery leading from the heart A) Jugular. B) Pulmonary artery. C) Aorta. D) The big boss artery. Show Answer Correct Answer: C) Aorta. 4. Organ in the circulatory system that pumps blood throughout the body A) Capillary. B) Artery. C) Lungs. D) Heart. Show Answer Correct Answer: D) Heart. 5. Veins always carry blood ..... the heart. A) Toward. B) Through. C) Away from. D) Around. Show Answer Correct Answer: A) Toward. 6. What is the name of the lower chamber on the left side of the heart? A) Left ventricle. B) Right atrium. C) Red blood cells. D) Left atrium. Show Answer Correct Answer: A) Left ventricle. 7. Blood cell which is without a nucleus A) Platelets. B) WBC. C) RBC. D) Plasma. Show Answer Correct Answer: C) RBC. 8. Your veins supply blood A) With oxygen. B) Without oxygen. Show Answer Correct Answer: B) Without oxygen. 9. During ventricular relaxation, the blood pressure reading is termed: A) Pulse. B) Systolic. C) Diastolic. D) Hypotension. Show Answer Correct Answer: C) Diastolic. 10. The correct sequence of heart chambers a red blood cell would pass through as it travels through the heart. A) Left atrium-right atrium-left ventricle-right ventricle. B) Right atrium-left ventricle-left atrium-right ventricle. C) Left atrium-left ventricle-right atrium-right ventricle. D) Right atrium-right ventricle-left atrium-left ventricle. Show Answer Correct Answer: D) Right atrium-right ventricle-left atrium-left ventricle. 11. True or False. A blood clot is caused by mitral regurgitation A) True. B) False. Show Answer Correct Answer: B) False. 12. When blood leaves the brain it would be traveling through ..... A) Deoxygenated arteries. B) Oxygenated veins. C) Deoxygenated veins. D) Oxygenated arteries. Show Answer Correct Answer: C) Deoxygenated veins. 13. What is the function of red blood cells in the circulatory system? A) To clot blood. B) To fight infections. C) To carry oxygen to the body's cells. D) To regulate body temperature. Show Answer Correct Answer: C) To carry oxygen to the body's cells. 14. The products of cellular respiration are A) Carbon dioxide and water and energy. B) Carbon dioxide, water, and sunlight. C) Oxygen and sugar. D) Oxygen, sugar and energy. Show Answer Correct Answer: A) Carbon dioxide and water and energy. 15. What atrium receives deoxygenated blood from the superior vena cava & the inferior vena cava? A) Right atrium. B) Ventricles. C) Left atrium. D) Myocardium. Show Answer Correct Answer: A) Right atrium. 16. Match the word with it's meaning:Plasma A) Contains hemoglobin that holds oxygen. B) Attack Viruses. C) Liquid that materials in the blood travel through. D) Create scabs. Show Answer Correct Answer: C) Liquid that materials in the blood travel through. 17. Which systems transports blood throughout the body? A) Cardiovascular. B) Circulatory. C) Immune. D) Respiratory. Show Answer Correct Answer: B) Circulatory. 18. Which is not a type of blood vessel? A) Capillaries. B) Veins. C) Arteries. D) Bone marrow. Show Answer Correct Answer: D) Bone marrow. 19. Cleans, moistens, and warms the air A) Trachea. B) Nasal cavity. C) Larynx. D) Windpipe. Show Answer Correct Answer: B) Nasal cavity. 20. Which best describes the main job of most cells in multicellular organisms? A) Cells work to keep the organism alive. B) Cells work to release needed materials. C) Cells work to store unneeded materials. D) Cells work to keep themselves alive. Show Answer Correct Answer: A) Cells work to keep the organism alive. 21. In which direction does blood flow through a capillary bed? A) Vein end $\rightarrow$ Arteriole end. B) Venule end $\rightarrow$ Arteriole end. C) Arteriole and $\rightarrow$ Venule end. D) Artery end $\rightarrow$ Venule end. Show Answer Correct Answer: C) Arteriole and $\rightarrow$ Venule end. 22. What causes the blood to be the distinct red colour? A) Glucose. B) Oxygen. C) Hormones. D) Hemoglobin. Show Answer Correct Answer: D) Hemoglobin. 23. Your duty is 'to cross' the river without getting noticed. A) Finite. B) Non-finite. Show Answer Correct Answer: B) Non-finite. 24. What are carbohydrates broken down into A) Sugars. B) Amino Acids. C) Fatty Acids and Glycerol. D) Bread. Show Answer Correct Answer: A) Sugars. 25. Which of the following statement is wrong about Arteries..... A) Thick walled. B) Strong. C) Elastic. D) Possessing Valves. Show Answer Correct Answer: D) Possessing Valves. 26. Which is not a factor that effects blood pressure? A) Peripheral Resistance. B) Temperature. C) Carbohydrate intake. D) Renal function. Show Answer Correct Answer: C) Carbohydrate intake. 27. Lower chambers of the heart that pump blood(right side pumps the lungs, the left side pumps to the rest of the body) A) Atria. B) Ventricles. Show Answer Correct Answer: B) Ventricles. 28. What is the main function of atriums? A) Push blood to the veins. B) Push blood to the arteries. C) Receive blood and pass it to veins. D) Receives blood and pass it to ventricles. Show Answer Correct Answer: D) Receives blood and pass it to ventricles. 29. In all of the following cases the rate of the heartbeats increases except ..... A) Jumping. B) Running. C) Exercising. D) Sleeping. Show Answer Correct Answer: D) Sleeping. 30. What factors modify heart rate? A) Sympathetic nervous system. B) Hormones, in imbalance (potassium or calcium). C) Physical factors such as age, gender, exercise, body temperature. D) All of the above. Show Answer Correct Answer: D) All of the above. 31. Describe the function of the circulatory system A) The process of taking oxygen from the mouth/nasal passage, trachea, bronchi, bronchioles, and alveoli. B) Transporting blood around the body (to the working tissues)/transporting oxygen and nutrients and removing waste products. Show Answer Correct Answer: B) Transporting blood around the body (to the working tissues)/transporting oxygen and nutrients and removing waste products. 32. The Circulatory system delivers food and ..... to the cells. A) Oxygen. B) Heart. C) Blood. D) Carbon dioxide. Show Answer Correct Answer: A) Oxygen. 33. Why might glucose (a simple sugar) levels decrease in the blood after eating? A) Glucose is absorbed into the heart making is beat faster. B) Glucose is absorbed into the cells from the digestive system. C) Glucose is absorbed into the blood from the digestive system. D) Glucose is absorbed into the cells from the blood. Show Answer Correct Answer: D) Glucose is absorbed into the cells from the blood. 34. Solve the Cardiac output if the Heart Rate is 82 beats per minute A) 7, 639 mL/minute. B) 8, 856 mL/minute. C) 5, 740 mL/minute. D) None of above. Show Answer Correct Answer: C) 5, 740 mL/minute. 35. Your heart is a muscle. A) True. B) False. Show Answer Correct Answer: A) True. 36. These acts as filters as dust in the air sticks to the mucus. A) Trachea. B) Nostrils. C) Mucous Membrane. D) Epiglottis. Show Answer Correct Answer: C) Mucous Membrane. 37. Which one is INCORRECT about epicardium of the heart? A) It assists the production of pericardial fluid. B) It protects the inner layer of the heart. C) The inner layer of epicardium indirectly contact with the myocardium. D) Also known as visceral pericardium. Show Answer Correct Answer: C) The inner layer of epicardium indirectly contact with the myocardium. 38. Which is larger? A) Artery. B) Vein. C) Capillary. D) None of above. Show Answer Correct Answer: A) Artery. 39. What do you call the circulation that moves oxygen-depleted blood away from the heart, to the lungs, and then back to the heart? A) Pulmonary Circulation. B) Systemic Circulation. Show Answer Correct Answer: A) Pulmonary Circulation. 40. This organ filters waste from the blood. A) Kidney. B) Heart. C) Stomach. D) Vein. Show Answer Correct Answer: A) Kidney. 41. Birds have ..... atria A) Two. B) Three. C) Four. D) One. Show Answer Correct Answer: A) Two. 42. How many chambers of the heart A) 2. B) 3. C) 6. D) 4. Show Answer Correct Answer: D) 4. 43. What is the smallest blood vessel that responsible in transporting oxygen and nutrients to every cells? A) Nerves. B) Veins. C) Capillaries. D) Arteries. Show Answer Correct Answer: C) Capillaries. 44. What is "the smallest living thing" A) An ant. B) Mr. J's head. C) A bird. D) A cell. Show Answer Correct Answer: D) A cell. 45. Which part of the human body is responsible for the exchange of gases? A) Liver. B) Heart. C) Kidneys. D) Lungs. Show Answer Correct Answer: D) Lungs. 46. Explain how capillaries are adapted to speed up the process of gas exchange A) Really smart, so it doesn't have to think about it too much. B) Thin wall, so the substances have to diffuse over a shorter distance. C) More blood gets pushed through, so it goes faster. D) Really thick wall, so the substances have a larger distance to diffuse over. Show Answer Correct Answer: B) Thin wall, so the substances have to diffuse over a shorter distance. 47. The three steps of hemostasis are:1. vascular spasm 2 ..... 3. coagulation A) Erythropoieten formation. B) Agglutination. C) Platelet plug formation. D) Dilation. Show Answer Correct Answer: C) Platelet plug formation. 48. When red blood cells are sickle shaped, it is a disease called ..... A) Hemophilia. B) Sickle-cell. C) Anemia. D) Leukemia. Show Answer Correct Answer: B) Sickle-cell. 49. High Blood pressure is known as A) Hypoxia. B) Hypersomnia. C) Hyperventilation. D) Hypertension. Show Answer Correct Answer: D) Hypertension. 50. Blood is a complex tissue. What is a tissue A) A group of organ systems. B) A group of cells. C) A group of organs. D) A group of tissues. Show Answer Correct Answer: B) A group of cells. 51. Dilated, swollen veins that have lost elasticity and cause stasis, or decreased blood flow, are called ..... A) Aneurysm. B) Emboli. C) Phlebitis. D) Varicose. Show Answer Correct Answer: D) Varicose. 52. The part of the heart that receives blood from the left ventricle. A) Right Ventricle. B) Left Atrium. C) Left Ventricle. D) Aorta. Show Answer Correct Answer: D) Aorta. 53. The heart rate is highest when someone is resting and lowest after doing exercises. A) True. B) False. Show Answer Correct Answer: B) False. 54. What would happen if you gave a person with AB blood a type A blood transfusion? A) The person would die. B) They would also need B blood. C) Nothing, they can accept A blood. D) It would need to be mixed with O blood. E) All of the above. Show Answer Correct Answer: C) Nothing, they can accept A blood. 55. We work out our target heart rate by ..... A) 220-our age. B) 220. C) 40-60. D) 220-our age x 0.85. Show Answer Correct Answer: D) 220-our age x 0.85. 56. The left lung has three lobes and the right lung has two. A) True. B) False. Show Answer Correct Answer: B) False. 57. These take blood carrying oxygen to all the parts of the body. A) Veins. B) Marrow. C) Capillaries. D) Arteries. Show Answer Correct Answer: D) Arteries. 58. What would happen to your blood pressure if you were very dehydrated A) Go down then go up. B) Increase. C) Stay the same. D) Decrease. Show Answer Correct Answer: B) Increase. 59. The chambers found in the bottom part of the heart are called ..... A) The black. B) Ventricles. C) Atria. D) Valve. Show Answer Correct Answer: B) Ventricles. 60. The valve present between right atrium and right ventricle is A) Bicuspid valve. B) Systemic valve. C) Pulmonary valve. D) Tricuspid valve. Show Answer Correct Answer: D) Tricuspid valve. ← 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