This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 164 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 164 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cellular Respiration A) Chemical reactions that transform energy in food to usable energy. B) Intakes oxygen into the blood and carbon dioxide out of the body. C) A large dome shaped muscle that plays an important role in breathing. D) Movement of air into and out of the lungs. Show Answer Correct Answer: A) Chemical reactions that transform energy in food to usable energy. 2. During systole, what happens to the pressure in the arteries? A) The pressure is low. B) The pressure is high. C) The pressure doesn't change. D) None of above. Show Answer Correct Answer: B) The pressure is high. 3. An ECG that shows a particularly FAST heart beat is defined as ..... A) Tachycardia. B) Atrial Fibrillation. C) High Blood Pressure. D) Bradycardia. Show Answer Correct Answer: A) Tachycardia. 4. Lymph ..... Transports O2 to brainb) Transports CO2 to lungsc) Returns interstitial fluid to bloodd) Returns RBCs and WBCs to lymph nodes A) Transport O2 to brain. B) Transport CO2 to lungs. C) Return intersitial fluid to blood. D) Returns RBCs and WBCs to lymph nodes. Show Answer Correct Answer: C) Return intersitial fluid to blood. 5. Breathing air out of lungs A) Exhalation. B) Inhalation. Show Answer Correct Answer: A) Exhalation. 6. What chemically breaks down food into smaller molecules? A) Teeth. B) Muscles of the stomach. C) Enzymes. D) None of above. Show Answer Correct Answer: C) Enzymes. 7. Connective tissue specialized for fat storage that includes yellow bone marrow; also insulates the body against heat loss, provides fuel reserves for energy and provides a cushion around certain structures (examples:heart, kidneys and some joints). A) Adipose tissue. B) Liquid tissue. C) Muscle. D) Gland. Show Answer Correct Answer: A) Adipose tissue. 8. Which type of blood vessel functions to exchange materials between the blood and cells? A) Veins. B) Vessels. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 9. Match the following Blood Vessel to their definitionVeins A) Carry Blood to the heart. B) Heart. C) The Inner tubing that connects organs together. D) Carry blood to your organs. Show Answer Correct Answer: A) Carry Blood to the heart. 10. Blood flows through this vessel from the heart to the body carrying oxygenated blood A) Aorta. B) Carotid artery. C) Inferior vena cava. D) Pulmonary artery. Show Answer Correct Answer: A) Aorta. 11. The heart is enclosed in a protective sac called ..... A) Capillaries. B) Pericardium. C) Valve. D) Myocardium. Show Answer Correct Answer: B) Pericardium. 12. Which of the following statements is INCORRECT, in reference to the suitability of RBC's to transport oxygen. A) Have no nucleus = more room for haemoglobin. B) Have a large SA/Vol due to being biconcave. C) Contain a nucleus with a strong affinity for binding to haemoglobin. D) Contain haemoglobin. Show Answer Correct Answer: C) Contain a nucleus with a strong affinity for binding to haemoglobin. 13. Tiny, hairlike structures that line the nasal passages as well as most of the respiratory system A) Bronchi. B) Alveoli. C) Cilia. D) Trachea. Show Answer Correct Answer: C) Cilia. 14. What is our Target Heart Rate zone? A) 200-220. B) 60-100. C) 100-200. D) 130-170. Show Answer Correct Answer: D) 130-170. 15. Blood cells charged with fighting infection, produced in the bone marrow, and with a very short life span are called A) Platelets. B) Vessels. C) Erythrocytes. D) Leukocytes. Show Answer Correct Answer: D) Leukocytes. 16. This goes up and around the heart; delivers blood to the body-the largest artery in the body A) Ventricle. B) Atrium. C) Aorta. D) Pulmonary. Show Answer Correct Answer: C) Aorta. 17. Blood pressure is measured as: A) Systolic/Anatolic. B) Diastolic/ Systolic. C) Anatolic/ Diastolic. D) Systolic/ Diastolic. Show Answer Correct Answer: D) Systolic/ Diastolic. 18. Contraction of the ventricles of the heart A) Systole. B) Diastole. Show Answer Correct Answer: A) Systole. 19. Which humor in excess could cause a temperament characterized by dependability, kindness, and affection? A) Blood. B) Phlegm. C) Black Bile. D) Yellow Bile. Show Answer Correct Answer: B) Phlegm. 20. Before blood can go to the lungs or the body, it has to pass back through the ..... A) Vessels. B) Heart. C) Body. D) Lungs. Show Answer Correct Answer: B) Heart. 21. White blood cells are responsible for defending the body againest microbs A) False. B) True. Show Answer Correct Answer: B) True. 22. The phase in the cardiac cycle in which the heart relaxes between contractions is known as A) Baseline recording. B) Systole. C) Pulse pressure. D) Diastole. Show Answer Correct Answer: D) Diastole. 23. ..... control the flow of blood through the heart by opening and closing during contractions. A) Atriums. B) Veins. C) Lungs. D) Valves. Show Answer Correct Answer: D) Valves. 24. Plasma is a liquid component of the blood that makes up 100% of the blood A) False. B) True. Show Answer Correct Answer: A) False. 25. When the heart muscles relax, this is called ..... A) Diastole. B) Systole. C) Pulse. D) Contraction. Show Answer Correct Answer: A) Diastole. 26. The innermost layer of the tunica intima is the A) Endothelium. B) Internal elastic lamina. C) Vaso vasorum. D) External elastic lamina. Show Answer Correct Answer: A) Endothelium. 27. Which valve is also known at the Mitral Valve A) Bicuspid. B) Tricuspid. C) Pulmonary Semilunar Valve. D) Aortic Semilunar Valve. Show Answer Correct Answer: A) Bicuspid. 28. This component of the blood is a mixture of water, sugar, fat, proteins, and salts. A) Platelets. B) Plasma. C) RBC. D) WBC. Show Answer Correct Answer: B) Plasma. 29. Why we need Erythrocytes? A) They destroy bacteria and viruses. B) They provide blood clotting. C) They carry oxygen. D) They digest the food. Show Answer Correct Answer: C) They carry oxygen. 30. Capillaries exchange oxygen between blood and body cells. A) True. B) False. Show Answer Correct Answer: A) True. 31. Which heart valve is responsible for controlling blood flow INTO the right ventricle? A) Tricuspid. B) Aortic. C) Pulmonary. D) None of above. Show Answer Correct Answer: A) Tricuspid. 32. What percentage of water is in the plasma of blood? A) 50%. B) 20%. C) 3%. D) 70%. Show Answer Correct Answer: D) 70%. 33. Blood will lose most of the oxygen through ..... A) Veins. B) Lungs. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 34. The fluid part of the blood is called as A) Platelets. B) Nutrients. C) Hormones. D) Plasma. Show Answer Correct Answer: D) Plasma. 35. What does the word "Pulmonary" tell us about a vessel? A) Nothing. B) Attached to the lungs. C) Goes out to the body. D) Attached to the heart. Show Answer Correct Answer: B) Attached to the lungs. 36. Which part of the blood is liquid form carrying nutrients around the body? A) Platelets. B) Plasma. C) White Blood Cells. D) Red Blood Cells. Show Answer Correct Answer: B) Plasma. 37. The system of ..... circulates oxygenated blood throughout the myocardium. * A) Accessory vessels. B) Pulmonary vessels. C) Nuclear vessels. D) Coronary vessels. Show Answer Correct Answer: D) Coronary vessels. 38. When a red stain is found at a crime scene three questions should be asked, which is false? A) What is the spatter pattern?. B) Is it blood?. C) If it is human blood, can the blood be traced to a single person?. D) Is it human blood?. Show Answer Correct Answer: A) What is the spatter pattern?. 39. Only one vein carries oxygen rich blood. It is the A) Aorta. B) Pulmonary Artery. C) Vena Cava. D) Pulmonary Vein. Show Answer Correct Answer: D) Pulmonary Vein. 40. Which part of the circulatory system carries blood with carbon dioxide back to the heart and lungs? A) Veins. B) Arteries. C) Capillaries. D) Ventricles. Show Answer Correct Answer: A) Veins. 41. Which part of the respiratory system is also called the windpipe? A) Larynx. B) Pharynx. C) Bronchus. D) Trachea. Show Answer Correct Answer: D) Trachea. 42. Arteries carry the blood? A) Too the heart. B) From the heart. C) Between blood vessels. D) None of above. Show Answer Correct Answer: B) From the heart. 43. The lower chambers of the heart consist of: A) The right and left atrium (blue). B) The right and left ventricle (orange). C) Superior vena cava (red). D) None of above. Show Answer Correct Answer: B) The right and left ventricle (orange). 44. What are the names of the heart's 4 main parts? A) The left and right ventricles, and the left and right atriums. B) The valves. Show Answer Correct Answer: A) The left and right ventricles, and the left and right atriums. 45. What is (are) the function(s) of blood? A) Transporting oxygen and nutrients to the lungs and tissues. B) Forming blood clots to prevent excess blood loss. C) Carrying specialized cells and antibodies that fight infection. D) Transporting heat around the body. E) All of the above. Show Answer Correct Answer: E) All of the above. 46. Name the organs in the circulatory system A) HEART. B) BLOOD. C) BLOOD VESSELS. D) ALL THREE. E) BONES. Show Answer Correct Answer: D) ALL THREE. 47. Which of the following is not a blood group? A) AB. B) O. C) TO THE. D) None of above. Show Answer Correct Answer: C) TO THE. 48. Blood transfusion process A) Blood Grouping Components. B) Function of Blood Grouping (2). Show Answer Correct Answer: B) Function of Blood Grouping (2). 49. What is a connection between skeletal system and circulatory system? A) Bone marrow produces hormones that go into arteries. B) Bones keep the heart protected. C) Heart pumps calcium to bones. D) Bones create oxygen which heart pumps. Show Answer Correct Answer: B) Bones keep the heart protected. 50. What is the function of the lower chambers of the heart? A) Clotting blood. B) Transporting oxygen. C) Fighting infection. D) Pumping blood out. Show Answer Correct Answer: D) Pumping blood out. 51. During Pulmonary Circulation what does the Right Ventricle do? A) Carries oxygen rich blood to the lungs. B) Carries oxygen poor blood to the lungs. C) Carries oxygen poor blood to the heart. D) Carries carbon dioxide to the heart. Show Answer Correct Answer: B) Carries oxygen poor blood to the lungs. 52. Your circulatory system has three parts A) Lungs, blood, blood vessels. B) Heart, blood, lungs. C) Heart, lungs, blood vessels. D) Heart, blood, blood vessels. Show Answer Correct Answer: D) Heart, blood, blood vessels. 53. Inside the lungs, the bronchi divide into smaller tubes. At the end of these tubes, there are tiny sacs called ..... A) Lungs. B) Alveoli. C) Trachea. D) Pharynx. Show Answer Correct Answer: B) Alveoli. 54. Red blood cells are called leukocytes. A) True. B) False. C) . D) . Show Answer Correct Answer: B) False. 55. What additional function do red blood cells have besides carrying oxygen? A) They carry glucose. B) They regulate blood pressure. C) They carry carbon dioxide. D) They produce antibodies. Show Answer Correct Answer: C) They carry carbon dioxide. 56. It also distributes heat through your body A) Red blood cells. B) Plasma. C) Blood. D) Transportation path. E) White blood cells. Show Answer Correct Answer: C) Blood. 57. Platelets take part in blood coagulation; heals the wound. A) False. B) True. Show Answer Correct Answer: B) True. 58. The heart is divided into how many parts. A) 4. B) 8. C) 2. D) 1. Show Answer Correct Answer: A) 4. 59. If a patient's blood pressure is 130/85 mm Hg, the patient's pulse pressure would be A) 85. B) 45. C) 215. D) 130. Show Answer Correct Answer: B) 45. 60. How many atria are there in the heart? A) 1. B) 7. C) 4. D) 2. Show Answer Correct Answer: D) 2. ← 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