This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 122 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 122 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is the main artery of the heart carrying oxygenated blood to all parts of the body. A) Alveoli. B) Aorta. C) Superior vena cava. D) Inferior vena cava. Show Answer Correct Answer: B) Aorta. 2. My little brother 'wants' to be an actor. A) Finite. B) Non-finite. Show Answer Correct Answer: A) Finite. 3. What gas is delivered by blood to all of your body tissues and organs? A) Oxygen. B) Carbon monoxide. C) Carbon dioxide. D) Nitrogen. Show Answer Correct Answer: A) Oxygen. 4. It is considered the "river of life" due to the substances it carries A) Heart. B) Blood. C) Blood vessels. D) None of above. Show Answer Correct Answer: B) Blood. 5. Blood Capillary is a A) Broad tube. B) Artery with thick wall. C) Vein with large lumen. D) Narrow tube made up of endothelium only. Show Answer Correct Answer: D) Narrow tube made up of endothelium only. 6. All of the protoplasm that surrounds the nucleus. A) Cytoplasm. B) Protoplasm. Show Answer Correct Answer: A) Cytoplasm. 7. Which formed elements are cell fragments? A) Red blood cells. B) White blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: D) Platelets. 8. The right ventricle pumps blood to the lungs A) True. B) False. Show Answer Correct Answer: A) True. 9. What is the function of a capillary? A) Carries blood away from the heart. B) Carries blood back to the heart. C) Exchanges gases between blood and body cells. D) Pumps blood throughout the body. Show Answer Correct Answer: C) Exchanges gases between blood and body cells. 10. Two hollow tubes that branch out from the trachea A) Alveoli. B) Bronchioles. C) Diaphragm. D) Bronchi. Show Answer Correct Answer: D) Bronchi. 11. The circulatory system is focused on the heart, a muscular organ that has almost the same size as your closed fist. A) True. B) False. Show Answer Correct Answer: A) True. 12. The gas exchange in humans occurs in the A) Trachea. B) Alveoli. C) Bronchiole tubes. D) Nose. Show Answer Correct Answer: B) Alveoli. 13. The function of a capillary is to: A) Carry blood away from the heart. B) Where materials are exchanged between arteries and veins. C) Carries deoxygenated blood toward the heart. D) None of above. Show Answer Correct Answer: B) Where materials are exchanged between arteries and veins. 14. The blood travels round the body inside tubes called A) Vessels. B) Valves. Show Answer Correct Answer: A) Vessels. 15. Were does the blood go to first after the capillaries? A) Heart. B) Lungs. C) Brain. D) None of above. Show Answer Correct Answer: A) Heart. 16. Which layer of the skin contains lots of adipose tissue and connects the skin to muscle? A) Epidermis. B) Subcutaneous. C) Dermis. D) Keratin. Show Answer Correct Answer: B) Subcutaneous. 17. Coronary circulation pumps blood to the A) Body. B) Heart. C) Lungs. D) None of above. Show Answer Correct Answer: B) Heart. 18. The cardiovascular system is mainly composed of three structures namely: A) Brain, spinal cord and nerves. B) Lungs, trachea and bronchi. C) Heart, blood and blood vessels. D) Capillaries, arteries and veins. Show Answer Correct Answer: C) Heart, blood and blood vessels. 19. It is the first heart sound and the top number of the BP A) Systolic pressure. B) Diastolic pressure. Show Answer Correct Answer: A) Systolic pressure. 20. If blood is leaving the heart on the way to the body and back to the heart, what is the correct order of blood vessels? A) Venules, veins, capillaries, arteries and arterioles. B) Arteries, arterioles, capillaries, venules and veins. C) Arterioles, venules, capillaries, veins and arteries. D) Arteries, arterioles, venules, veins and capillaries. Show Answer Correct Answer: B) Arteries, arterioles, capillaries, venules and veins. 21. Blood entering the right atrium must come from the ..... A) Aorta. B) Vena cava. C) Pulmonary veins. D) Pulmonary artery. Show Answer Correct Answer: B) Vena cava. 22. What is blood made of? A) Red and white blood cells. B) Red blood cells and plasma. C) Platelets and plasma. D) Red blood cells, white blood cells, platelets and plasma. Show Answer Correct Answer: D) Red blood cells, white blood cells, platelets and plasma. 23. The correct steps of pulmonary circuit are ..... A) Left ventricle-aorta-capillaries in the body-vena cava-right atrium. B) Right ventricle-pulmonary artery-capillaries in lungs-pulmonary vein-left atrium. C) Right atrium-pulmonary artery-capillaries in lungs-pulmonary vein-left ventricle. D) Left ventricle-vena cava-capillaries in the body-aorta-right atrium. Show Answer Correct Answer: B) Right ventricle-pulmonary artery-capillaries in lungs-pulmonary vein-left atrium. 24. The molecules of substance are bound together by force called ..... A) Adhesion force. B) Cohesion force. C) Electric force. D) None of above. Show Answer Correct Answer: B) Cohesion force. 25. Why is the diaphragm important? A) It controls your breathing. B) It controls your heart beat. C) It controls the movement of your valves. D) None of above. Show Answer Correct Answer: A) It controls your breathing. 26. What is the proper way to code Type 2 AMI due to demand ischemia? A) Underlying cause sequenced first followed by I21.A1. B) I21.A1 Sequenced first followed by the underlying cause. C) I21.9. D) I21.A1. Show Answer Correct Answer: A) Underlying cause sequenced first followed by I21.A1. 27. Which blood vessels carry blood between the arteries and veins? A) Platelets. B) Cells. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 28. Carries oxygen-poor blood from the lower body to the heart A) Superior vena cava. B) Inferior vena cava. Show Answer Correct Answer: B) Inferior vena cava. 29. In what order does blood flow through the body and heart? A) Right atrium, Right vent., lungs, Left atrium, Left vent., body. B) Right atrium, Left atrium, lungs, Right vent, L&t vent, body. C) Rt atrium, Rt vent., lungs, Lt vent., Lt atrium, body. D) Right atrium, Left vein., lungs, Left atrium, Rt vent., body. Show Answer Correct Answer: A) Right atrium, Right vent., lungs, Left atrium, Left vent., body. 30. Systolic Blood Pressure A) The force exerted by blood on arterial walls during ventricular relaxation. B) The force exerted by blood on arterial walls during ventricular contraction. C) Movement of blood through the vessels. D) Force that opposes the flow of a fluid. Show Answer Correct Answer: B) The force exerted by blood on arterial walls during ventricular contraction. 31. An aneurysm is a ballooning out or saclike formation on the wall of an artery. A) False. B) True. Show Answer Correct Answer: B) True. 32. What is used in defense foreign invaders A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: C) White blood cells. 33. The nearest organ to which the heart supplies oxygenated blood is A) Heart itself. B) Stomach. C) Intestine. D) Lung. Show Answer Correct Answer: A) Heart itself. 34. What organs pushes blood through your body? A) Liver. B) Heart. C) Lungs. D) Tissues. Show Answer Correct Answer: B) Heart. 35. Which of the following is the function of the pulmonary vein? A) It carries OXYGEN-POOR blood from the lungs to the heart. B) It carries OXYGEN-RICH blood from the heart to the lungs. C) It carries OXYGEN-RICH blood from the lungs to the heart. D) It carries OXYGEN-RICH blood from the heart to the lungs. Show Answer Correct Answer: C) It carries OXYGEN-RICH blood from the lungs to the heart. 36. Platelets are a part of blood that help in the: A) Formation of hemoglobin. B) Absorption of amino acids. C) Formation of a clot. D) Release of anitbodies. Show Answer Correct Answer: C) Formation of a clot. 37. Which correctly shows the direction of blood flow as it enters the heart into the lungs? A) Right atrium $\rightarrow$ Right ventricle $\rightarrow$ Lungs. B) Left atrium $\rightarrow$ right ventricle $\rightarrow$ lungs. C) Right atrium $\rightarrow$ Left ventricle $\rightarrow$ Lungs. D) Left atrium $\rightarrow$ left ventricle $\rightarrow$ lungs. Show Answer Correct Answer: A) Right atrium $\rightarrow$ Right ventricle $\rightarrow$ Lungs. 38. What is pulse rate? A) The number of times the heart contracts and relaxes in one minute. B) The number of breaths one takes in one minute. C) The blood pressure. D) The number of times blood passes through the lungs. Show Answer Correct Answer: A) The number of times the heart contracts and relaxes in one minute. 39. The right atrium, left atrium, right ventricle, and left ventricle are all ..... A) Chambers of the heart. B) Chambers of the lungs. C) Lobes of the heart. D) Lobes of the lungs. Show Answer Correct Answer: A) Chambers of the heart. 40. It is made of really strong muscles that squeeze and relax to pump blood around the body. A) Blood vessels. B) Lungs. C) Heart. D) None of above. Show Answer Correct Answer: C) Heart. 41. The right and left chambers are separated by A) Strenoum. B) Sternum. C) Chamois. D) Septum. Show Answer Correct Answer: D) Septum. 42. After Bob received the measles vaccine Bob will not get measles again because of which reason? A) The body has high levels of antibodies all the time. B) Stimulates the production of mucus to trap foreign substances. C) The bone marrow is stimulated to produce more lymphocytes. D) There are memory cells specific to measles. E) There is stimulation of phagocytosis by neutrophils. Show Answer Correct Answer: D) There are memory cells specific to measles. 43. Death of heart muscle from the sudden blockage of a coronary artery by a blood clot A) Plaque. B) Murmurs. C) Plaque. D) Heart attack. E) Hypertension. Show Answer Correct Answer: D) Heart attack. 44. The sound of the heartbeat is caused by the A) Opening of the atrioventricular valves and closing of the semilunar valves. B) Closing of the atrioventricular valves and closing of the semilunar valves. C) Opening of the atrioventricular valves and opening of the semilunar valves. D) Closing of the atrioventricular valves and opening of the semilunar valves. Show Answer Correct Answer: B) Closing of the atrioventricular valves and closing of the semilunar valves. 45. It involves the injection of a water-or oil-based contrast dye into the spinal canal to enhance the radiographic image of the spine. A) Myelography. B) Dye dyes. Show Answer Correct Answer: A) Myelography. 46. Anaemia occurs when the number of RED BLOOD cell in our body is low. A) False. B) True. Show Answer Correct Answer: B) True. 47. What is max heart rate? A) Your heart rate when your heart is working at it's maximum. B) Your heart rate after you recover from exercise. C) Your heart rate before you exercise. D) Your heart rate when you are a complete state of rest. Show Answer Correct Answer: A) Your heart rate when your heart is working at it's maximum. 48. Is it true or false?When you sleep your heart beats slowly! A) False. B) True. Show Answer Correct Answer: B) True. 49. As an arterial pathway moves farther from the heart, the arteries A) Get smaller. B) Get larger. C) Do not change in size. D) Have a party. Show Answer Correct Answer: A) Get smaller. 50. Which of the following prevents back-flow of blood? A) Ventricle. B) Artery. C) Valve. D) Because of the difference. Show Answer Correct Answer: C) Valve. 51. Fish are not as active as other animals, so their single circulatory system is sufficient for their needs, while more active animals like mammals need a double circulatory system. A) True. B) False. Show Answer Correct Answer: A) True. 52. What is the main artery that leaves the heart to supply all parts of the body? A) Femoral. B) Caba. C) Carotid. D) Aorta. Show Answer Correct Answer: D) Aorta. 53. What is an if ..... then statement that predicts the outcome of an experiment or how the Independent variable effects the dependent variable? A) Conclusion. B) Hypothesis. C) Problem. D) Materials. Show Answer Correct Answer: B) Hypothesis. 54. Which of the following is an artery? A) Superior Vena Cava. B) Aorta. C) Pulmonary vein. D) None of above. Show Answer Correct Answer: B) Aorta. 55. In a normal healthy human, red blood cells live approximately ..... months and are replaced by hemopoietic stem cells in the bone marrow. A) 4 months. B) 1 week. C) 1 month. D) 24 hours. Show Answer Correct Answer: A) 4 months. 56. The tricuspid and mitral valves are this type of valve: A) Pulmonary valves. B) Atrioventricular valves. C) Semilunar valves. D) Aortic valves. Show Answer Correct Answer: B) Atrioventricular valves. 57. Where is the origin of the coronary artery? A) Pulmonary Vein. B) Vena Cava. C) Pulmonary Artery. D) Aorta. Show Answer Correct Answer: D) Aorta. 58. An individual living thing is a/an ..... A) Ecosystem. B) Habitat. C) Population. D) Organism. Show Answer Correct Answer: D) Organism. 59. Which of the following answer choices is NOT considered to be blood vessels in the circulatory system? A) Plasma. B) Veins. C) Veins. D) Arteries. Show Answer Correct Answer: A) Plasma. 60. Which part of your blood helps you to deliver oxygen to the cells? A) Platelets. B) Plasma. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: C) Red blood cells. ← 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