This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 98 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 98 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which chamber of the heart receives oxygenated blood from the lungs? A) Left Atrium. B) Right Atrium. C) Left Ventricle. D) Right Ventricle. Show Answer Correct Answer: A) Left Atrium. 2. The Dorsalis Pedis pulse is found where? A) The bend of the arm. B) The wrist. C) The foot. D) The neck. Show Answer Correct Answer: C) The foot. 3. What blood vessels bring blood back to the heart? A) Capillaries. B) Veins. C) Lymph nodes. D) Arteries. Show Answer Correct Answer: B) Veins. 4. The largest blood vessels are capillaries A) False. B) True. Show Answer Correct Answer: A) False. 5. Outermost lining of the heart A) Endocardium. B) Interventricular septum. C) Myocardium. D) Pericardium. Show Answer Correct Answer: D) Pericardium. 6. Left atrium receives oxygenated blood through A) Pulmonary vein. B) Coronary artery. C) Pulmonary artery. D) Aorta. Show Answer Correct Answer: A) Pulmonary vein. 7. What is the main transporter in the circulatory system? A) Plasma. B) Platelets. C) Hemoglobin. D) Red blood cells. Show Answer Correct Answer: C) Hemoglobin. 8. The aorta is the diameter of a pencil. A) False. B) True. Show Answer Correct Answer: A) False. 9. What are erythrocytes? A) Platelets. B) White blood cells. C) Red blood cells. D) A small slender race similar to elves. Show Answer Correct Answer: C) Red blood cells. 10. Which of the following is NOT considered a function of blood? A) Transportation of O2 and CO2. B) Transportation of nutrients and waste produces. C) Homeostasis:keeping temperature stable. D) Homeostasis:maintaining normal ranges of water. E) Digestion of nutrients. Show Answer Correct Answer: E) Digestion of nutrients. 11. Your heart beats about how many times per minute? A) 10. B) 2 million. C) 500. D) 70. Show Answer Correct Answer: D) 70. 12. Represents the positive or negative with blood type A) Carbon dioxide. B) Rh factor. C) Hemoglobin. D) Valves. Show Answer Correct Answer: B) Rh factor. 13. The term cardiac refers to A) Heart. B) Lymph. C) Capillary. D) Vein. Show Answer Correct Answer: A) Heart. 14. The right side of the heart receives ..... blood and sends it to the lungs A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: B) Deoxygenated. 15. How does the concentration gradient affect diffusion? A) The greater the concentration difference the faster the rate. B) The smaller the concentration difference the faster the rate. C) The greater the concentration the slower the rate. D) None of above. Show Answer Correct Answer: A) The greater the concentration difference the faster the rate. 16. What are the 4 blood groups? A) A, B, AB, ABC. B) A, B, AB, O. C) A, B, C, D. D) A, B, C, O. Show Answer Correct Answer: B) A, B, AB, O. 17. Where does the blood in the capillaries obtain nutrients to take to the cells? A) Veins. B) Arteries. C) Tissue. D) All Blood Vessels. Show Answer Correct Answer: D) All Blood Vessels. 18. What is the function of an artery? A) To carry oxygenated blood to the heart. B) To carry deoxygenated blood away from the heart. C) To carry deoxygenated blood to the heart. D) To carry oxygenated blood away from the heart. Show Answer Correct Answer: D) To carry oxygenated blood away from the heart. 19. Which part of the blood determines the blood type? A) Plasma. B) Platelets. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 20. Which blood vessel transports oxygen poor blood from the rest of the body back to the heart? A) Carotid artery. B) Vena cava. C) Renal vein. D) Pulmonary vein. Show Answer Correct Answer: B) Vena cava. 21. Which is NOT a way to exercise your heart? A) Sitting on the couch. B) Running. C) Sledding. D) Swimming. Show Answer Correct Answer: A) Sitting on the couch. 22. Which parts of the respiratory system divide into smaller and smaller tubes in a pattern that resembles the branches of a tree? A) Trachea. B) Pharynx. C) Bronchi. D) Epiglottis. Show Answer Correct Answer: C) Bronchi. 23. When blood clumps or form cellular network in the still liquid plasma, it is called? A) Clotting. B) Gluttination. C) Agglutination. D) All. Show Answer Correct Answer: A) Clotting. 24. Takes oxygenated blood out of the heart to to the body. A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: A) Arteries. 25. Blood circulation from the lungs to the heart is called A) Full body. B) Heart to lung. C) Pulmonary. D) Coronary. Show Answer Correct Answer: C) Pulmonary. 26. Endocardium is the tough, connective tissue sac that encloses the Heart A) True. B) False. Show Answer Correct Answer: B) False. 27. The blood group B has ..... antigen on RBC, ..... antibody in plasma A) A, you B. B) B, you are A. C) AB, No. D) No, anti A and anti B. Show Answer Correct Answer: B) B, you are A. 28. Blood consists of three types of cells floating in a liquid called A) RBCs. B) Plasma. C) Urea. D) Platelets. Show Answer Correct Answer: B) Plasma. 29. What does blood travel through to reach the cells? A) Blood vessels. B) Heart. C) Arteries. D) Platelets. Show Answer Correct Answer: A) Blood vessels. 30. Artery that carries blood away from the heart to the lungs A) Left ventricle. B) Pulmonary. C) Hemoglobin. D) Aortic. Show Answer Correct Answer: B) Pulmonary. 31. A Collection of organs that transport blood throughout the body A) Artery. B) Pulmonary Circulation. C) Systematic Circulation. D) Cardio System. Show Answer Correct Answer: D) Cardio System. 32. The thick muscle-fiber rich heart wall is named A) Epicardium. B) Myocardium. C) Endocardium. D) Fibrous pericardium. Show Answer Correct Answer: B) Myocardium. 33. Which of the following is the function of the heart? A) To carry oxygen to the body's cells. B) To help the body fight infection by attacking disease-causing organisms. C) To pump blood throughout the entire body. D) All of the above. Show Answer Correct Answer: C) To pump blood throughout the entire body. 34. What happen if the heart doesn´t contract? A) It can´t push blood out through the arteries to the rest of the body. B) It can´t fill with blood that reaches it throug the veins. Show Answer Correct Answer: A) It can´t push blood out through the arteries to the rest of the body. 35. How to measure heart rate? A) Using a stethoscope. B) Press your fingers at the base of your neck. C) Using a blood pressure meter. D) Press your fingers on your ankles. Show Answer Correct Answer: B) Press your fingers at the base of your neck. 36. The Bronchi branch out into many different smaller tubes which take oxygen to the alveoli. What are these tiny tubes called? A) Pharynx. B) Bronchioles. C) Trachea. D) Larynx. Show Answer Correct Answer: B) Bronchioles. 37. The cavity the heart sits in is called the A) Thoracic. B) Mediastinum. C) Handle. D) Middlubrium. Show Answer Correct Answer: A) Thoracic. 38. What are the atria in the heart? A) Thin-walled, upper receiving chambers. B) Thin-walled, lower receiving chambers. C) Thick-walled, upper receiving chambers. D) Thick-walled, lower receiving chambers. Show Answer Correct Answer: A) Thin-walled, upper receiving chambers. 39. Eliminates carbon dioxide and oxygenates blood (lungs pathway). A) Systemic circulation. B) Coronary circulation. C) Pulmonary circulation. D) None of above. Show Answer Correct Answer: C) Pulmonary circulation. 40. Largest vein in the body A) Superior vena cava. B) Inferior vena cava. C) Vena Cava. D) None of above. Show Answer Correct Answer: C) Vena Cava. 41. Characteristics of an Artery: A) No muscles. B) Wider lumen. C) Narrow lumen. D) Thin muscular vessels. Show Answer Correct Answer: C) Narrow lumen. 42. These structures located between the 2 atrium and the 2 ventricles that keep blood flowing in ONE DIRECTION are called A) Valves. B) Veins. C) Stops. D) Gates. Show Answer Correct Answer: A) Valves. 43. About how many bones do adults have? A) 300. B) 50. C) 206. D) None of above. Show Answer Correct Answer: C) 206. 44. Which condition is described as a deficiency in RBCs ability to carry oxygen and/or hemoglobbin? A) Aneurysm. B) Arteriosclerosis. C) Anemia. D) Atherosclerosis. Show Answer Correct Answer: C) Anemia. 45. The circulatory system carries oxygen, water, nutrients, blood and other materials throughout your body A) False. B) True. Show Answer Correct Answer: B) True. 46. What is the correct order (first to last) in which air moves through the human respiratory system after inhalation? A) Nose, larynx, trachea, pharynx, bronchi, lungs. B) Pharynx, bronchi, nose, larynx, trachea, lungs. C) Pharynx, nose, trachea, bronchi, larynx, lungs. D) Nose, pharynx, larynx, trachea, bronchi, lungs. Show Answer Correct Answer: D) Nose, pharynx, larynx, trachea, bronchi, lungs. 47. Which of the following is responsible for carrying oxygen-rich blood from the heart to the body's cells? A) Lungs. B) Stomach. C) Veins. D) Arteries. Show Answer Correct Answer: D) Arteries. 48. Located between left ventricle and aorta A) Pulmonary valve. B) Bicuspid valve. C) Aortic valve. D) Tricuspid valve. Show Answer Correct Answer: C) Aortic valve. 49. Atherosclerosis occurs when fatty plaques are deposited on the walls of the arteries. A) False. B) True. Show Answer Correct Answer: B) True. 50. What is the name of the '' Muscle" that PUMPS blood to all parts of the body? A) Vein. B) Heart. C) Blood Vessels. D) None of above. Show Answer Correct Answer: B) Heart. 51. Thrombin acts as an enzyme and catalysis the conversion of fibrin to fibrinogen. A) True. B) False. Show Answer Correct Answer: B) False. 52. Aid in blood pressure, transportation of materials, immunity and blood clotting A) Ions (electrolytes). B) Nutrients. C) Plasma proteins. D) Antibodies. E) Antibodies. Show Answer Correct Answer: C) Plasma proteins. 53. Food enters the human body through the ..... A) Mouth. B) Esophagus. C) Liver. D) Intestine. Show Answer Correct Answer: A) Mouth. 54. White blood cells are in charge of: A) Blood clotting. B) Carrying oxygen. C) Fighting pathogens. D) Thinning the blood. Show Answer Correct Answer: C) Fighting pathogens. 55. The major blood vessel that carries oxygenated blood away from the heart to the rest of the body is the A) Vena cava. B) Pulmonary vein. C) Aorta. D) Pulmonary artery. Show Answer Correct Answer: C) Aorta. 56. Right atrium oumbs the blood to the two lungs A) False. B) True. Show Answer Correct Answer: A) False. 57. The yellowish liquid part of the blood that carries nutrients, proteins, hormones, and waste products A) Platelets. B) Plasma. C) Veins. D) Heart. Show Answer Correct Answer: B) Plasma. 58. Tubes leading to the lungs A) Bronchi. B) Lungs. C) Larynx. D) Trachea. Show Answer Correct Answer: A) Bronchi. 59. Which chamber of the heart pumps blood to the whole body? A) Right atrium. B) Left ventricle. C) Right ventricle. D) Left atrium. Show Answer Correct Answer: B) Left ventricle. 60. Which one is NOT one of the the four chambers of the heart? A) Right ventricle. B) Left ventricle. C) Right valve. D) Left atrium. E) Right atrium. Show Answer Correct Answer: C) Right 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