This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 97 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 97 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. I make a web over the skin that traps red blood cells to stop bleeding. A) White blood cells. B) Platelets. C) Red blood cells. D) Plasma. Show Answer Correct Answer: B) Platelets. 2. Blood consists mainly of: A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 3. What is the purpose of your veins? A) Carry blood back to the heart. B) Carry blood away from the heart. C) Connect arteries to capillaries. D) Connect arterioles with venules. Show Answer Correct Answer: A) Carry blood back to the heart. 4. Below are disorders of the human circulatory system..... A) Asma. B) Diarrhea. C) Hypertension. D) Hypothermia. Show Answer Correct Answer: C) Hypertension. 5. Veins carry what? A) Blood away from the heart. B) Deoxygenated food. C) Oxygenated blood. D) Deoxygenated blood. Show Answer Correct Answer: D) Deoxygenated blood. 6. Atherosclerosis is the build-up of fatty plaque in the arteries. A) True. B) False. Show Answer Correct Answer: A) True. 7. What do blood vessels that move blood away from the heart towards the body's cells called? A) Veins. B) Platelets. C) Arteries. D) Capillaries. Show Answer Correct Answer: C) Arteries. 8. Heart is located within the chest cavity between the ..... A) Two kidneys. B) Two lungs. C) None of them. D) None of above. Show Answer Correct Answer: B) Two lungs. 9. What is it called when the atrium is beating irregularly? A) Ventricular fibrillation. B) Atrial fibrillation. C) Tachycardia. D) Bradycardia. Show Answer Correct Answer: B) Atrial fibrillation. 10. The ..... veins run through the neck and from the brain. A) Circle of Willis. B) Arteries. C) Jugular veins. D) Veins. Show Answer Correct Answer: C) Jugular veins. 11. Blood carries nutrients around your body and takes away waste. A) True. B) False. Show Answer Correct Answer: A) True. 12. Because oxygen is nonpolar, A) It must be absorbed by the lymphocytes. B) It must be carried by hemoglobin. C) It must diffuse directly into the blood. D) It must be eliminated quickly. Show Answer Correct Answer: B) It must be carried by hemoglobin. 13. If a person is medically diagnosed anemic, what blood components he/she lacks that is needed to adequately supply oxygen to the body tissues? A) Platelets. B) Plasma. C) RBC. D) WBC. Show Answer Correct Answer: C) RBC. 14. What happens in the left ventricle during Systemic Circulation? A) It carries oxygenated blood to the body's cells. B) It carries de-oxygenated blood to the body's cells. C) Oxygen and carbon dioxide are exchanged. D) The vessel brings blood to the lungs. Show Answer Correct Answer: A) It carries oxygenated blood to the body's cells. 15. The buildup of fatty deposits, or plaque, inside artery walls is called ..... A) High blood pressure. B) Atherosclerosis. C) Stroke. D) None of above. Show Answer Correct Answer: B) Atherosclerosis. 16. What is called the living pump of human body? A) Kidneys. B) Lungs. C) Heart. D) Liver. Show Answer Correct Answer: C) Heart. 17. Which antigens would exist on a RBC if a person was type O+? A) A and B antigens. B) O antigen. C) Rh antigen. D) A, B, and Rh antigens. Show Answer Correct Answer: C) Rh antigen. 18. What vein brings blood away from the kidney? A) Vena Cava. B) Pulmonary. C) Renal. D) Hepatic Portal Vein. Show Answer Correct Answer: C) Renal. 19. What triggers the respiratory system to start functioning? A) The Lungs. B) The Central Nervous System. C) The Heart. D) The Oxygen content of the air. Show Answer Correct Answer: B) The Central Nervous System. 20. The cella that float in the liquid make the blood red A) True. B) False. Show Answer Correct Answer: A) True. 21. When a person exercises, her heart beats ..... A) Faster because more oxygen and digested food are needed by muscles. B) Slower to conserve energy for the muscles. C) Faster to transport carbon dioxide to the muscles. D) Slower because more blood is needed by the heart. Show Answer Correct Answer: A) Faster because more oxygen and digested food are needed by muscles. 22. Fish are multi-celled organisms with specialized cells. What would most likely happen if their specialized cells did not function properly? A) The fish would increase in size. B) The fish would decrease in size. C) The fish would die. D) The fish would grow and thrive. Show Answer Correct Answer: C) The fish would die. 23. Intrinsic electrical impulses start at which of the following locations? A) Because of the difference. B) Bundle of His. C) AV Node. D) Purkinje fibers. Show Answer Correct Answer: A) Because of the difference. 24. What are the most important parts of the circulatory system? A) The heart blood and blood vessels. B) Bones and skull. Show Answer Correct Answer: A) The heart blood and blood vessels. 25. This measures the electrical impulses coming from the hear creating a graph of the output: A) EPG. B) EDG. C) EAG. D) ECG. Show Answer Correct Answer: D) ECG. 26. ..... stores bile between meals A) Liver. B) Pancreas. C) Stomach. D) Gallbladder. Show Answer Correct Answer: D) Gallbladder. 27. What is the capital of China? A) Yangtze. B) Beijing. C) Berlin. D) Moscow. Show Answer Correct Answer: B) Beijing. 28. Which organelle takes in "sun showers" and helps plants with the process or photosynthesis? A) Vacuoles. B) Cytoplasm. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 29. What do the valves do in the heart? A) Pump the blood. B) Form blood cells. C) Prevent backflow of blood. D) Prevent clot formation. Show Answer Correct Answer: C) Prevent backflow of blood. 30. Arteries can carry blood from the heart to the ..... A) Lungs only. B) Arms only. C) Kidney only. D) All body parts. Show Answer Correct Answer: D) All body parts. 31. What gas is released into the air during cellular respiration? A) Glucose. B) Carbon dioxide. C) Water. D) Oxygen. Show Answer Correct Answer: B) Carbon dioxide. 32. Why is it called the circulatory system? A) Because the heart is round like a circle. B) Because it transports blood specifically around our circular heads. C) It circulates waste throughout our bodies until it leaves as digested food. D) Because it circulates blood and O2 throughout the body. Show Answer Correct Answer: D) Because it circulates blood and O2 throughout the body. 33. Which organ stores and releases bile? A) Liver. B) Gallbladder. C) Pancreas. D) None of above. Show Answer Correct Answer: B) Gallbladder. 34. Which is not an organ of the Lymphatic system? A) Thymus. B) Spleen. C) Liver. D) Tonsils. Show Answer Correct Answer: C) Liver. 35. What is the spinal cord's function? A) To relay commands from the brain to different parts of the body. B) To relay sensory information from the body to the brain. C) Both A and B. D) Neither A or B. Show Answer Correct Answer: C) Both A and B. 36. If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence? A) Serum albumins. B) Haemocytes. C) Serum globulins. D) Fibrinogin in plasma. Show Answer Correct Answer: C) Serum globulins. 37. A person will die if they have the heart rhythm ..... A) Normal sinus rythm. B) Bradycardia. C) Ventricular tachycardia. D) Tachycardia. Show Answer Correct Answer: C) Ventricular tachycardia. 38. A part of food used by the body to grow and survive. A) Energy. B) Nutrient. C) Saliva. D) Calorie. Show Answer Correct Answer: B) Nutrient. 39. These blood vessels carry oxygenated blood away from the heart. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 40. Choose the correct flow of blood in the pulmonary circulation A) Inferior Vena cava-RA-RV-Pulmonary Artery-Capillaries. B) Pulmonary veins-LA-LV-Dorsal Aorta. C) Inferior Vena cava-LA-LV-Pulmonary Artery-Capillaries. D) None of above. Show Answer Correct Answer: A) Inferior Vena cava-RA-RV-Pulmonary Artery-Capillaries. 41. Rubbery tubes that carry blood from place to place A) Blood blisters. B) Blood pathogens. C) Blood vessels. D) Muscles. Show Answer Correct Answer: C) Blood vessels. 42. Which of the following body systems works directly with the respiratory system and digestive system to transport nutrients and oxygen throughout the body? A) Circulatory. B) Skeletal. C) Outgrowths. D) None of above. Show Answer Correct Answer: A) Circulatory. 43. Where does blood travel from the lungs? A) Left atrium. B) Left ventricle. C) Right ventricle. D) Right atrium. Show Answer Correct Answer: A) Left atrium. 44. Diffusion of gases occurs between capillaries and which of the following structures? A) Alveoli. B) Bronchi. C) Nasal cavity. D) Bronchioles. Show Answer Correct Answer: A) Alveoli. 45. Which kind of blood would be in the aorta? A) Deoxygenated. B) Oxygenated. Show Answer Correct Answer: B) Oxygenated. 46. Collective Pronouns:The teams (a) playing in a championship on Friday. A) Is. B) A are. Show Answer Correct Answer: B) A are. 47. What is another name for high blood pressure? A) Hypertension. B) Angina. C) Pneumonia. D) Myocardial infarction. Show Answer Correct Answer: A) Hypertension. 48. Blood consists mostly of formed elements such as red blood cells. A) False. B) . C) . D) True. Show Answer Correct Answer: A) False. 49. WHERE BLOOD IS OXYGENATED AND THE CARBON DIOXIDE IS DISPOSED OF A) PULMONARY VALVE. B) PULMONARY ARTERY. C) PULMONARY VEINS. D) LUNGS. Show Answer Correct Answer: D) LUNGS. 50. What is the factor that an experimenter changes on purpose? A) Dependent Variable. B) Independent Variable. C) Control. D) Constant. Show Answer Correct Answer: B) Independent Variable. 51. ..... carry blood at high pressure and ..... carry blood at low pressure. A) Capillaries; veins. B) Veins; capillaries. C) Arteries; veins. D) Veins; arteries. Show Answer Correct Answer: C) Arteries; veins. 52. Inhaled air is warmer than exhaled air A) True. B) False. Show Answer Correct Answer: B) False. 53. Small device that is put under the skin of your chest, below your collar bone. One or two wires connect the pacemaker to the chambers of your heart, stimulate your heart muscle and help it pump regularly. A) Artificial pacemaker surgery. B) Heart valve surgery. C) Thrombolytic therapy. D) None of above. Show Answer Correct Answer: A) Artificial pacemaker surgery. 54. Contraction of the right atrium forces blood toward A) The right ventricle. B) The left ventricle. C) The pulmonary artery. D) None of above. Show Answer Correct Answer: A) The right ventricle. 55. This organelle digests dead cell parts and contains enzymes A) Rough ER. B) Golgi body. C) Lysosome. D) Smooth ER. Show Answer Correct Answer: C) Lysosome. 56. Which blood vessels carries oxygenated blood from the heart to the whole body? A) Vena cava. B) Aorta. C) Pulmonary vein. D) None of above. Show Answer Correct Answer: B) Aorta. 57. The function of the circulatory system in humans A) Transport blood to all organs and tissues. B) Regulate oxygen concentration. C) Regulate CO2 concentration. D) Make the body move. Show Answer Correct Answer: A) Transport blood to all organs and tissues. 58. Blood collects glucose from your ..... and oxygen from your ..... A) Large intestine / heart. B) Small intestine / lungs. C) Stomach / liver. D) None of above. Show Answer Correct Answer: B) Small intestine / lungs. 59. These blood vessels allow for the diffusion of substance across their membranes. A) Veins. B) Platelets. C) Ventricles. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 60. How are veins adapted to help transport blood back to the heart? A) Venous valves prevent blood from flowing backwards. B) Working together with the arteries. C) By creating a high pressure gradient. D) Using gravity to help with the flow of blood. Show Answer Correct Answer: A) Venous valves prevent blood from flowing backwards. ← 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