This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 44 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a person does not have enough erythrocytes, he/she would have difficulty: A) Clotting the blood. B) Transporting antibodies. C) Fighting infection. D) Carrying oxygen. Show Answer Correct Answer: D) Carrying oxygen. 2. The layer of the heart that forms a smooth, protective lining of the heart chambers and valves is the ..... A) Parietal pericardium. B) Epicardium. C) Endocardium. D) Myocardium. Show Answer Correct Answer: C) Endocardium. 3. This part of the heart receives oxygenated blood from the lungs. A) Right atrium. B) Right Ventricle. C) Left Atrium. D) Left Ventricle. Show Answer Correct Answer: C) Left Atrium. 4. The average rate of heartbeat is about ..... per minute. A) 70 times. B) 100 times. C) 80 times. D) 90 times. Show Answer Correct Answer: A) 70 times. 5. Left ventricle forms A) Apex of the heart. B) Pizza heart. C) Skin of heart. D) None of above. Show Answer Correct Answer: A) Apex of the heart. 6. The ..... is the key organ of the circulatory system. A) Stomach. B) Skin. C) Heart. D) Lungs. Show Answer Correct Answer: C) Heart. 7. ..... blood cells give blood its colour. They carry oxygen and carbon dioxide. A) Red. B) White. C) Platelets. D) None of above. Show Answer Correct Answer: A) Red. 8. The red blood cells transport A) O2. B) Yes. C) Ill. D) Glucose. Show Answer Correct Answer: A) O2. 9. What should be reduced to avoid a sedentary lifestyle? A) Healthy eating habits. B) Sleeping hours. C) Time spent sitting in front of the TV or computer. D) Physical exercise. Show Answer Correct Answer: C) Time spent sitting in front of the TV or computer. 10. The combining form for a clot or thrombus is: A) Thromb/o. B) Welcome. C) Arteri/o. D) Card. Show Answer Correct Answer: A) Thromb/o. 11. Large lymphatic trunks where thin lymphatic vessels gradually converge. A) Lymphatic vessels. B) Lymphatic ducts. C) Lymphatic capillaries. D) None of above. Show Answer Correct Answer: B) Lymphatic ducts. 12. As blood passes through the capillaries, water and dissolved substances (oxygen, amino acids, simple sugars, and others) filters through the capillary walls forming what is known as ..... A) Platelets. B) Blood vessels. C) Tissue fluid. D) Nodes. Show Answer Correct Answer: C) Tissue fluid. 13. These blood vessels carry deoxygenated blood back to the heart. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 14. Human beings have a well developed specialized system to transport ....., gases and ..... A) Nutrients, harmonium. B) Nutrients, hormones. C) Nut, hair. D) Nutrients, oxygen. Show Answer Correct Answer: B) Nutrients, hormones. 15. Nails are made out of what? A) All of the Above. B) Terminal. C) Vellus. D) Keratin. Show Answer Correct Answer: D) Keratin. 16. Which process is employed during exchange of gases A) Diffusion. B) Respiration. C) Thermographic respiration. D) Osmosis. Show Answer Correct Answer: A) Diffusion. 17. Is the volume of blood pumped out of the ventricle in a minute A) Heart Rate. B) Stroke Volume. C) Cardiac Cycle. D) Cardiac Output. Show Answer Correct Answer: D) Cardiac Output. 18. Transporting food and oxygen This includes..... A) Blood components. B) Blood function (6). Show Answer Correct Answer: B) Blood function (6). 19. Adaptations of the circulatory system include ..... A) Heart location for protection. B) Arteries have thick walls. C) Capillaries are thin. D) All are adaptations. Show Answer Correct Answer: D) All are adaptations. 20. A condition in which the blood is deficient in red blood cells, in hemoglobin, or in total volume. A) Sickle Cell Anemia. B) Anemia. C) Hemophilia. D) None of above. Show Answer Correct Answer: B) Anemia. 21. Which blood vessels carry oxygen blood away from the heart to the cells? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 22. Which formed elements fight foreign bodies? A) Plasma. B) Erythrocytes. C) Leukocytes. D) Thrombocytes. Show Answer Correct Answer: C) Leukocytes. 23. If you are sick, which part of your blood would there be more of? A) Platelets. B) Plasma. C) White Blood Cells. D) Red Blood Cells. Show Answer Correct Answer: C) White Blood Cells. 24. ..... Very small tubes that connect arteries to veins; the smallest blood vessels. A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: B) Capillaries. 25. Transports food, hormones, metabolic wastes and gases to and from cells A) Hemoglobin. B) Blood. C) Homeostasis. D) Circulatory system. E) Hemoglobin. Show Answer Correct Answer: D) Circulatory system. 26. How many lobes at the right lung? A) 2. B) 4. C) 1. D) 3. Show Answer Correct Answer: D) 3. 27. Why do you get the hiccups? A) Your nose is irritated. B) Your diaphragm is irritated. C) Your trachea is irritated. D) None of above. Show Answer Correct Answer: B) Your diaphragm is irritated. 28. There is about 3 liters of blood in the human body? A) True. B) False. Show Answer Correct Answer: B) False. 29. Which of the following are the blood vessels that have a wall that is 1 cell thick? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 30. It carries oxygen-poor blood from the different parts of the body back to the heart. A) Valve. B) Arteries. C) Veins. D) Capillaries. Show Answer Correct Answer: C) Veins. 31. The ..... receives oxygenated blood. A) Left atrium. B) Right atrium. Show Answer Correct Answer: A) Left atrium. 32. Arteries carry blood that is oxygenated A) False. B) True. Show Answer Correct Answer: B) True. 33. Cells that are responsible for antibody production and cellular immune response. A) Basophils. B) Monocytes. C) Lymphocytes. D) Eosinophils. Show Answer Correct Answer: C) Lymphocytes. 34. White blood cells are removed because they often carry viruses and bacteria that could be detrimental to the recovery of the recipient. It is done for all whole blood donations. A) Plasmapheresis. B) Plateletpheresis. C) Leukoreduction. D) Agglutination. Show Answer Correct Answer: C) Leukoreduction. 35. Why are capllaries one cell thick? A) To allow for oxygen and carbon dioxide to enter and leave the cell. B) So they can fit in small spaces. C) For the bants. D) So the heart can keep on pumping blood. Show Answer Correct Answer: A) To allow for oxygen and carbon dioxide to enter and leave the cell. 36. Which blood cell has the ability to pass through the blood vessel walls? A) Leukocyte. B) Thrombocyte. C) Reticulocyte. D) Erythrocyte. Show Answer Correct Answer: A) Leukocyte. 37. Blood leaves the heart in two vessels, namely the: A) Aorta and pulmonary vein. B) Pulmonary artery and aorta. C) Aorta and vena cava. D) Pulmonary artery and pulmonary vein. Show Answer Correct Answer: B) Pulmonary artery and aorta. 38. A thick mass of blood is called ..... A) Clot. B) Hemoglobin. C) Antibody. D) Platelet. Show Answer Correct Answer: A) Clot. 39. The heart is the size of a A) Baseball. B) Fist. C) Golf ball. D) Foot. Show Answer Correct Answer: B) Fist. 40. In the circulatory system, blood from the right chamber of the heart will flow to..... A) Right porch. B) Left porch. C) Palupal. D) Aorta. Show Answer Correct Answer: C) Palupal. 41. Where food and oxygen diffuse out of body into body cells: A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 42. Blood that leaves the heart and is heading out into the body exits through the ..... A) Pulmonary veins. B) Superior vena cava. C) Interventricular septum. D) Aorta. Show Answer Correct Answer: D) Aorta. 43. What is the rhythmic expanding/contracting of an artery called? A) Blood Pressure. B) Systemic. C) Atria. D) Pulse. Show Answer Correct Answer: D) Pulse. 44. The blood pressure is determined by using a medical instrument called a ..... A) Leukocytes. B) Sphygmomanometer. C) Erythrocytes. D) Thrombocytes. Show Answer Correct Answer: B) Sphygmomanometer. 45. The ..... transport oxygen in the blood. A) Platelets. B) Red Blood Cells. C) White Blood Cells. D) Plasma. Show Answer Correct Answer: B) Red Blood Cells. 46. The four valves from the heart are called A) Tricuspid, mitral and pulmonary. B) Tricuspid, mitral, aortic and pulmonary. C) Tricuspid, mitral and aortics. D) None of above. Show Answer Correct Answer: B) Tricuspid, mitral, aortic and pulmonary. 47. Blood leaves the heart through A) Arteries. B) Veins. C) Capillaries. D) Atria. Show Answer Correct Answer: A) Arteries. 48. The right AV valve is known as the: A) Tricuspid valve. B) Bicuspid valve. C) Aortic semilunar valve. D) Mitral valve. Show Answer Correct Answer: A) Tricuspid valve. 49. Divides the heart into R and L sides A) Scepter. B) Sputum. C) Septum. D) Sternum. Show Answer Correct Answer: C) Septum. 50. Arteries carry blood out of the ..... A) Lungs. B) Heart. C) Small Intestine. D) Liver. Show Answer Correct Answer: B) Heart. 51. Oxygenated and deoxygenated blood never mix. They circulate through the same circuit. A) True. B) False. Show Answer Correct Answer: B) False. 52. Your blood carries ..... to your lungs to be exhaled. A) Carbon dioxide. B) Oxygen. Show Answer Correct Answer: A) Carbon dioxide. 53. How does the heart muscle move the blood between your heart, lungs and the rest of the body? A) Magic. B) Diaphragm muscle pushes the blood around your body. C) Muscle contractions and relaxations. D) Who knows, ask a scientist. Show Answer Correct Answer: C) Muscle contractions and relaxations. 54. What type of circulation moves blood around the body? A) Pulmonary. B) Systemic. C) Coronary. D) None of above. Show Answer Correct Answer: B) Systemic. 55. Flaps of tissue that prevent blood from flowing backwards. A) Valves. B) Capillaries. C) Atrium. D) Lymph nodes. Show Answer Correct Answer: A) Valves. 56. What would happen if your circulatory system did not deliver oxygen to your body's cells? A) Your body's cells would multiply at twice their normal rate. B) Your body's cells would shut down. C) Your body's cells would use carbon dioxide instead. D) Your body's cells would enter your bloodstream. Show Answer Correct Answer: B) Your body's cells would shut down. 57. I can move my shoulder in circles. That is because it has this type of joint. A) Hinge. B) Ball and socket. C) Pivot. D) Circle. Show Answer Correct Answer: B) Ball and socket. 58. The heart pumps about ..... liters of blood a day and contracts about ..... times in a lifetime. A) 1000; 1 billion. B) 7000;2.5 billion. C) 3000; 2 billion. D) 1200; 2 billion. Show Answer Correct Answer: B) 7000;2.5 billion. 59. What is an organism? A) A shoe. B) A pencil. C) A dead animal. D) A living thing. Show Answer Correct Answer: D) A living thing. 60. True or False:There are six valves in the heart. A) True. B) False. Show Answer Correct Answer: B) False. ← 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