This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System โ Quiz 71 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 71 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where is bile produced? A) Kidney. B) Pancreas. C) Liver. D) Small intestine. Show Answer Correct Answer: C) Liver. 2. What is the color of human blood? A) Red. B) Yellow. C) Blue. D) Green. Show Answer Correct Answer: A) Red. 3. What composition in blood carry oxygen A) Red blood cells. B) White blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: A) Red blood cells. 4. The lungs are two sacks that are protected by our ..... A) Bronchi. B) Diaphragm. C) Ribs. D) None of above. Show Answer Correct Answer: C) Ribs. 5. Small Intestines give nutrients to the blood through ..... A) Diffusion. B) Isotonic. C) Hypertonic. D) Osmosis. Show Answer Correct Answer: A) Diffusion. 6. What are the top two chambers of the heart called? A) Valves. B) Aorta. C) Ventricles. D) Atria. Show Answer Correct Answer: D) Atria. 7. Blood is oxygenated in the aorta. A) True. B) False. Show Answer Correct Answer: A) True. 8. Which blood vessel has thick walls and no valves? A) Artery. B) Vein. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Artery. 9. A blood vessel with strong walls that carries blood AWAY from the heart. A) Artery. B) Capillary. C) Neuron. D) Vein. Show Answer Correct Answer: A) Artery. 10. In the cardiac cycle, diastole is ..... A) The relaxation period after contraction of the heart. B) The forceful pumping action of the heart. C) The number of heart beats per minute. D) The contraction period after relaxalion of the heart. Show Answer Correct Answer: A) The relaxation period after contraction of the heart. 11. What does the PR segment represent in the electrocardiogram? A) Interval between ventricle depolarization and ventricle repolarization. B) Ventricle depolarization. C) Delay between atrial depolarization and ventricle depolarization. D) Atrial depolarization. Show Answer Correct Answer: C) Delay between atrial depolarization and ventricle depolarization. 12. What is the name of the bottom number of a blood pressure (ex:120/80mmHg) A) Vein. B) Artery. C) Systole. D) Diastole. Show Answer Correct Answer: D) Diastole. 13. The heart chamber that have thicker muscle. A) Left ventricle. B) Right ventricle. C) Left atrium. D) Right atrium. Show Answer Correct Answer: C) Left atrium. 14. Diarrhea occurs when chyme moves ..... A) Too quickly through the small intestine. B) Too quickly through the large intestine. C) Too slow through the small intestine. D) Too slow through the large intestine. Show Answer Correct Answer: B) Too quickly through the large intestine. 15. Reread Page 18 of the text, titled "Don't Pressure Me." According to the text, blood moves through the aorta under a lot of pressure. What is the measurement of pressure on the walls of arteries known as? A) Plasma Pressure. B) Aorta Pressure. C) Capillary Pressure. D) Blood Pressure. Show Answer Correct Answer: D) Blood Pressure. 16. Deoxygenated blood enter the heart through the right atrium A) FALSE. B) TRUE. Show Answer Correct Answer: B) TRUE. 17. (circulatroy system)During this operation, your surgeon will cut down the midline of your chest, through your breastbone, to reach your heart, improves blood flow to your heart muscle and reduces angina. A) Coronary artery bypass graft surgery (CABG). B) Artificial pacemaker surgery. C) Thrombolytic therapy. D) None of above. Show Answer Correct Answer: A) Coronary artery bypass graft surgery (CABG). 18. When blood leaves the right ventricle where is it going? A) Kidneys. B) Lungs. C) Spleen. D) Body. Show Answer Correct Answer: B) Lungs. 19. The ..... fight bacteria and viruses. A) Red blood cells. B) Platelets. C) White blood cells. D) None of above. Show Answer Correct Answer: C) White blood cells. 20. The circulatory system has ..... main parts. A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: A) 3. 21. The plasma that makes up most of our blood is mainly made up of ..... A) Water. B) Nutrients. C) Waste. D) Cytoplasm. Show Answer Correct Answer: A) Water. 22. Define Circulatory System. A) An organ system that permits blood to circulate and transport nutrients & oxygen to cells and also removes waste and carbon dioxide from all cells. B) An organ system that permits blood to circulate and transport only nutrients & oxygen. C) An organ system that permits blood to circulate and transport waste and carbon dioxide. D) None of these. Show Answer Correct Answer: A) An organ system that permits blood to circulate and transport nutrients & oxygen to cells and also removes waste and carbon dioxide from all cells. 23. How many parts are there to circulation in the circulatory system? A) 1 part. B) 4 parts. C) 2 parts. D) 3 parts. Show Answer Correct Answer: C) 2 parts. 24. Where is carbohydrase secreted A) Mouth (salivary glands). B) Stomach. C) Pancreas. D) Liver. Show Answer Correct Answer: C) Pancreas. 25. Increase in wind speed results in increased rate of transpiration because A) Increased wind speed increase the rate of photosynthesis. B) Increased wind speed helps to keep the leaves moving, leading to increased evaporation of water. C) Increased wind speed helps to maintain high water vapour gradient across stomatal opening. D) Increased wind speed increases the rate of stomatal opening. Show Answer Correct Answer: C) Increased wind speed helps to maintain high water vapour gradient across stomatal opening. 26. A structure that carries blood throughout the body? A) Plaque. B) Blood Vessel. C) Pulse. D) Stroke. Show Answer Correct Answer: B) Blood Vessel. 27. What eventually happens to fluid that leaks from capillaries into the surrounding tissues? A) Returns to the blood through the lymphatic system. B) It goes into the heart through the capillaries. C) Goes to the cells for hydration. D) Returns to the body by osmosis. Show Answer Correct Answer: A) Returns to the blood through the lymphatic system. 28. Which part receives oxygen-poor blood from the vena cava and sends it to the right ventricle? A) Right atrium. B) An organ. C) Pulmonary artery. D) Tricuspid valve. Show Answer Correct Answer: A) Right atrium. 29. Starting with the superior vena cava-the next stop would be A) Left atrium. B) Inferior vena cava. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: C) Right atrium. 30. How many beats does the heart beat each day? A) 30, 000 to 40, 000. B) 100, 000. C) 2, 000. D) 750, 000. Show Answer Correct Answer: B) 100, 000. 31. ) RBC is produced in the bone marrow2.) Destroyed in the kidney and liver A) Both statements are true. B) Both statements are false. C) 1st statement is true, 2nd statement is false. D) 1st statement is false, 2nd statement is true. Show Answer Correct Answer: C) 1st statement is true, 2nd statement is false. 32. Blood in the inferior vena cava is A) Low in oxygen, high in carbon dioxide. B) Low in oxygen, low in carbon dioxide. C) High in oxygen, low in carbon dioxide. D) High in oxygen, high in carbon dioxide. Show Answer Correct Answer: A) Low in oxygen, high in carbon dioxide. 33. What is NOT part of your circulatory system? A) Heart. B) Lungs. C) Humorous Bone. D) None of above. Show Answer Correct Answer: C) Humorous Bone. 34. The ..... pumps blood to the lungs A) Left atrium. B) Right atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: D) Right ventricle. 35. ..... are materials that RESIST the flow of heat or thermal energy. A) Conductors. B) Insulators. Show Answer Correct Answer: B) Insulators. 36. If you are having a heart attack, crucial thing is A) Call 911. B) Sit and cry. C) Try to help your self. D) Lay down. Show Answer Correct Answer: A) Call 911. 37. Blood vessels that bring blood towards the heart are known as A) Capillaries. B) Arteries. C) Veins. D) None. Show Answer Correct Answer: C) Veins. 38. In which of the blood vessel blood flows towards the heart? Blood vessels in which blood flows towards the heart? A) Veins. B) Arteries Arteries. C) Blood capillaries. D) All the above เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: A) Veins. 39. Which of the following vessels has the lowest blood pressure? A) Vena cava. B) Arterioles. C) Capillaries. D) Veins. Show Answer Correct Answer: A) Vena cava. 40. Membrane surrounds heart contains two layers. In between two layers a fluid is filled. Function of the fluid ..... There is a two-layered membrane surrounding the heart. A fluid fills between the two layers and the function of the fluid is ..... A) Defence. B) Nurishment. C) Protection. D) Information. Show Answer Correct Answer: C) Protection. 41. This condition is a rare genetic disorder in which the blood doesn't clot in the typical way because it doesn't have enough blood-clotting proteins (clotting factors). People that have this condition might bleed for a longer time after an injury than they would if their blood clotted properly. Treatment includes regular replacement of the specific clotting factor that is reduced. A) Arrhythmia. B) Leukemia. C) Anemia. D) Hemophilia. E) Heart Failure. Show Answer Correct Answer: D) Hemophilia. 42. Thickest histologic layer of the heart A) Endocardium. B) Myocardium. C) Epicardium. D) None of above. Show Answer Correct Answer: B) Myocardium. 43. Guess what? Red blood cells have a superpower! What is it? A) Carrying nutrients to feed the cells. B) Fighting infections like a warrior. C) Clotting blood to prevent leaks. D) Transporting gases like a speedy delivery service. Show Answer Correct Answer: D) Transporting gases like a speedy delivery service. 44. Veins collects blood from inferior parts of heart..... A) Superior vena cava Urdva Brihatsira. B) Inferior vena cava is the inferior vena cava. C) Both. D) Pulmonary vein. Show Answer Correct Answer: B) Inferior vena cava is the inferior vena cava. 45. Which type of animal has two atrium and one ventricle? A) Bird. B) Fish. C) Mammal. D) Amphibian. Show Answer Correct Answer: D) Amphibian. 46. Which variable depends on what is done at the beginning of an experiment? A) Dependent. B) Following. C) Independent. D) Control. Show Answer Correct Answer: A) Dependent. 47. Which of the following do omnivores eat? A) Plants only. B) Plants and meat. C) Meat only. D) They make their own food. Show Answer Correct Answer: B) Plants and meat. 48. Cells that work together are called A) Joints. B) Organ. C) Tissue. D) Capillaries. Show Answer Correct Answer: C) Tissue. 49. What is the name of a upper chamber of the heart? A) Myocardium. B) Atrium. C) Ventricle. D) Pericardium. Show Answer Correct Answer: B) Atrium. 50. Common signs of a myocardial infarction may include all but A) Difficulty breathing. B) Loss of consciousness. C) Loss of function on one side of the body. D) Pain in left arm. Show Answer Correct Answer: C) Loss of function on one side of the body. 51. What do the capillaries do? A) Hand off oxygenated blood in favor of deoxygenated blood. (Body cells receive 02). B) Bring deoxygenated blood to the heart. C) Carry blood away from the heart. D) None of above. Show Answer Correct Answer: A) Hand off oxygenated blood in favor of deoxygenated blood. (Body cells receive 02). 52. These blood vessels carry our blood to the Heart. A) Veins. B) Ventricles. C) Capillaries. D) Arteries. Show Answer Correct Answer: A) Veins. 53. When oxygen-rich blood is carried AWAY from the heart, it travels through an ..... A) Vein. B) Straw. C) Neuron. D) Artery. Show Answer Correct Answer: D) Artery. 54. To which car part can the heart be compared? A) Steering Column. B) Radio. C) Wheels. D) Engine. Show Answer Correct Answer: D) Engine. 55. Occurs when the blood flow to a part of the heart muscle is blocked. A) Stroke. B) Paralysis. C) Heart attack. D) Anemia. Show Answer Correct Answer: C) Heart attack. 56. Agglutination occurs when blood type antibodies come into contact with blood type antigens to which they correspond. What is agglutination? A) Red blood cells burst and die. B) Red blood cells are clumped together and become non-functional. C) Blood clotting. D) A system in which transfusions can occur. Show Answer Correct Answer: B) Red blood cells are clumped together and become non-functional. 57. The flow of the blood from the heart to the lungs and back to the heart. A) White Blood Cells. B) Systemic circulation. C) Pulmonary circulation. D) Vein. Show Answer Correct Answer: C) Pulmonary circulation. 58. Heart beats at the rate of ..... times / min A) 36. B) 15. C) 72. D) 60. Show Answer Correct Answer: C) 72. 59. Tendons connect muscle to bone. A) True. B) False. Show Answer Correct Answer: A) True. 60. An abnormal heart sound caused by improper valve closure. A) Fibrillation. B) Murmur. C) The. D) Dub. Show Answer Correct Answer: B) Murmur. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books