This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System â Quiz 30 đ Homepage đ Download PDF Books đ Premium PDF Books Circulatory System Quiz 30 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following connects arteries and veins? A) Capillaries. B) Valves. C) Ventricles. D) Atria. Show Answer Correct Answer: A) Capillaries. 2. Where in the body will you find blood vessels? A) Around your heart. B) In your hands and feet. C) In your head. D) Virtually everywhere. Show Answer Correct Answer: D) Virtually everywhere. 3. When people run long distances, their muscles require increased amounts of oxygen. Which system is responsible for carrying this oxygen to the muscles? A) Respiratory. B) Digestive. C) Nervous. D) Circulatory. Show Answer Correct Answer: D) Circulatory. 4. Xylem and Phloem are both ..... A) Photosynthesis. B) Transpiration. C) Vascular tissue. D) Absorption. Show Answer Correct Answer: C) Vascular tissue. 5. Which of these is NOT a blood vessel? A) Alveoli. B) Vein. C) Capillary. D) Artery. Show Answer Correct Answer: A) Alveoli. 6. How do we measure a person's heart rate? A) Beats per hour. B) Beats per minute. C) Beats per day. D) None of above. Show Answer Correct Answer: B) Beats per minute. 7. Deoxygenated blood enters the heart through A) The right ventricle. B) The right atrium. C) The left atrium. D) None of above. Show Answer Correct Answer: B) The right atrium. 8. The organ which is responsible for "pumping" blood to all of the regions of the body is known as what? A) Heart. B) Veins. C) Arteries. D) Aorta. Show Answer Correct Answer: A) Heart. 9. In which of the following phases of the cardiac cycle is a pulse generated? A) Atrial systole. B) Atrial diastole. C) Ventricular systole. D) Ventricular diastole. Show Answer Correct Answer: C) Ventricular systole. 10. Flexible tissue found at the ends of bones A) Ligament. B) Cartilage. C) Tendon. D) Muscle. Show Answer Correct Answer: B) Cartilage. 11. Fight any infection that might enter the body A) Plasma. B) Platelets. C) White blood cells. D) None of above. Show Answer Correct Answer: C) White blood cells. 12. In the walls of the heart, there are two thin layers around a thick layer of muscle called the A) Myocardium. B) Pericardium. C) Connective tissue. D) Epithelial tissue. Show Answer Correct Answer: A) Myocardium. 13. Counting the number of QRS complexes, which of the following can be interpreted? A) Rate of breathing. B) Rate of heartbeat. C) Stroke volume. D) Cardiac output. Show Answer Correct Answer: B) Rate of heartbeat. 14. This is the outer layer of pericardium that encloses the heart. A) Auricles. B) Left and right coronary arteries. C) Visceral Pericardium. D) Parietal Pericardium. Show Answer Correct Answer: D) Parietal Pericardium. 15. Platelets lack a nucleus and 'last' for 7-11 days. (T or F) A) False. B) True. Show Answer Correct Answer: B) True. 16. The heart is a large muscle in our body. A) False. B) True. Show Answer Correct Answer: B) True. 17. Which of the following results in increased cardiac output? A) Rapid heart rate. B) Vasodilation. C) Dehydration. D) Loss of blood. Show Answer Correct Answer: A) Rapid heart rate. 18. Large neck arteries on each side of the neck carry blood from heart to head A) Coronary. B) Brachial. C) Carotid. D) Femoral. Show Answer Correct Answer: C) Carotid. 19. Which statement correctly describes factors that affect blood flow? A) Narrow vessels increase pressure, lead to faster blood flow. B) Cell shape change increases resistance, leads to faster flow. C) Low pH decreases diffusion and leads to slow blood flow. D) High viscosity increases resistance, leads to slower flow. Show Answer Correct Answer: D) High viscosity increases resistance, leads to slower flow. 20. How does surface area affect the rate of diffusion? A) Greater the surface area the slower the rate. B) Greater the surface area the faster the rate. C) Smaller the surface area the faster the rate. D) Surface area does not affect diffusion. Show Answer Correct Answer: B) Greater the surface area the faster the rate. 21. Which blood is known as the universal donor? A) AB+. B) AB-. C) O+. D) O-. Show Answer Correct Answer: D) O-. 22. Inferior vena cava brings blood: A) From the upper part of the body to the heart. B) From the lower part of the body to the heart. Show Answer Correct Answer: B) From the lower part of the body to the heart. 23. The abbreviation CMP stands for A) Cardiac mitral prolapse. B) Comprehensive metabolic panel. C) Certified meeting professional. D) Cardiomyopathy. Show Answer Correct Answer: D) Cardiomyopathy. 24. What is the engine in our body that we got to know today? A) Heart. B) Lungs. C) Brain. D) Kidney. Show Answer Correct Answer: A) Heart. 25. Gastric juices in the stomach digest food into a thick liquid. This is ..... A) Chemical digestion. B) Mechanical digestion. Show Answer Correct Answer: A) Chemical digestion. 26. Veins primarily carry ..... blood ..... the heart A) Deoxygenated blood; away from. B) Deoxygenated blood; to. C) Oxygenated; to. D) Oxygenated; away from. Show Answer Correct Answer: B) Deoxygenated blood; to. 27. Capillaries found in the lungs are known as systemic capillaries. A) False. B) True. Show Answer Correct Answer: B) True. 28. It is the main entry and exit of gases in humans. It has hairs called cilia to filter dirt. A) Nose. B) Sinus. C) Teeth. D) Mouth. Show Answer Correct Answer: A) Nose. 29. The blood is pumped to the lungs from the heart through the A) Pulmonary Arteries. B) Aorta. C) Vena Cavas. D) Pulmonary Veins. Show Answer Correct Answer: A) Pulmonary Arteries. 30. What happens to your heart rate AFTER you're done exercising? A) You start to sweat. B) It goes down. C) It goes up. D) It stays the same. Show Answer Correct Answer: B) It goes down. 31. What is the smallest part of the heart with deoxygenated blood? A) Right ventricle. B) Left atrium. C) Vena cava. D) Right atrium. Show Answer Correct Answer: D) Right atrium. 32. What is the 'RH Factor" what it concerns your blood type? A) This has nothing to do with your blood. B) When you eat at "Real Hac". C) It is how you know if you have a positive (+) or negative (-) blood type. D) None of above. Show Answer Correct Answer: C) It is how you know if you have a positive (+) or negative (-) blood type. 33. The air sacs in the lungs are called A) Bronzes. B) Lasagne. C) Alveoli. D) None of above. Show Answer Correct Answer: C) Alveoli. 34. The coronary circulation transports blood to the ..... A) Heart. B) Lungs. C) Body. D) None of above. Show Answer Correct Answer: A) Heart. 35. Is it true or false?When your heartbeat is slow, your pulse is slow! A) True. B) False. Show Answer Correct Answer: A) True. 36. The two upper chambers of the heart are called ..... A) Atria. B) Ventricles. C) Capillaries. D) Ligaments. Show Answer Correct Answer: A) Atria. 37. The blood always flows through the blood vessels in a certain way. How does the blood flow through the blood vessels once it leaves the heart? A) Capillaries to veins to arteries. B) Veins to capillaries to arteries. C) Arteries to veins to capillaries. D) Arteries to capillaries to veins. Show Answer Correct Answer: D) Arteries to capillaries to veins. 38. The pulonary vein carries oxygenated blood back from the heart to the A) Right ventrical. B) Right atrium. C) Left ventricle. D) Left Atrium. Show Answer Correct Answer: D) Left Atrium. 39. Which organ absorbs most of the nutrients using small fingerlike structures called villi? A) Gall Bladder. B) Pancreas. C) Large Intestine. D) Small Intestine. Show Answer Correct Answer: D) Small Intestine. 40. ..... fill with the blood returning to the heart. A) Right & Left Atrium. B) Right & Left Ventricles. C) Valves. D) None of above. Show Answer Correct Answer: A) Right & Left Atrium. 41. Blood carries ..... from your lungs to your body cells/tissues. A) Oxygen. B) Carbon dioxide. C) Water. D) Urea. Show Answer Correct Answer: A) Oxygen. 42. Which of the following conditions will favour a most reduced rate of transpiration? A) Reduced environmental temperature and high light intensity. B) Increased environmental temperature and reduced wind speed. C) Increased relative humidity and reduced wind speed. D) Reduced relative humidity and increased wind speed. Show Answer Correct Answer: C) Increased relative humidity and reduced wind speed. 43. Which does not contain vitamins? A) Pears. B) Grapefruits. C) Marshmallows. D) Apples. Show Answer Correct Answer: C) Marshmallows. 44. Sugars, fats, and minerals in blood are called these A) Platelets. B) Food. C) Plasma. D) Nutrients. Show Answer Correct Answer: D) Nutrients. 45. Tiny air sacs in the lungs that are the site of gas exchange between the lungs and blood. A) Relax. B) Nose. C) Diaphragm. D) Alveoli. Show Answer Correct Answer: D) Alveoli. 46. This condition occurs when the airway is narrowed due to inflammation of the bronchi. A) Lung cancer. B) Emphysema. C) Asthma. D) Cystic fibrosis. Show Answer Correct Answer: C) Asthma. 47. What carries blood to and from your heart? A) Blood vessels. B) A large wheel barrow. C) Little red men. D) None of above. Show Answer Correct Answer: A) Blood vessels. 48. Circulatory system generally seen in chordata..... Which type of circulatory system is generally seen in chordata organisms? A) Open type development. B) Closed type. C) Both. D) Any of the one ā°ā°Ļāąā°ā°ā°ŋ. Show Answer Correct Answer: B) Closed type. 49. Pulmonary circulation pumps blood to the A) Body. B) Heart. C) Lungs. D) None of above. Show Answer Correct Answer: C) Lungs. 50. What type(s) of antibodies are found in a person with type A blood? A) B only. B) A only. C) A and B. D) None. Show Answer Correct Answer: A) B only. 51. What separates the right atrium from the right ventricle A) Mitral valve. B) Blood. C) Tricuspid valve. D) Bones. Show Answer Correct Answer: C) Tricuspid valve. 52. What is cardiac output measured in? A) Expressed as liters/minute. B) Expressed as milliliters/minute. C) Expressed as gallons/minute. D) Expressed as liters/second. Show Answer Correct Answer: A) Expressed as liters/minute. 53. Do veins lead away from your heart or towards your heart? A) Veins lead away from your heart. B) Veins lead towards from your heart. Show Answer Correct Answer: B) Veins lead towards from your heart. 54. What is a pulmonary vein? A) And aorta. B) A main blood vessel. C) The blood vessel that carries newly oxygenated blood from the lungs. D) It is a heart valve. Show Answer Correct Answer: C) The blood vessel that carries newly oxygenated blood from the lungs. 55. Carries blood to the heart from the lungs A) Pulmonary Veins. B) Pulmonary Artery. C) Aorta. D) Inferior Vena Cava. E) Superior Vena Cava. Show Answer Correct Answer: A) Pulmonary Veins. 56. Protective bones which surround and protect the spinal cord. A) Brain. B) Central nervous system. C) Peripheral nervous system. D) Vertebrae. Show Answer Correct Answer: D) Vertebrae. 57. Where are red blood cells located in the body? A) Blood. B) Hair. C) Skin. D) Eyes. Show Answer Correct Answer: A) Blood. 58. The ..... vein is the last choice vein for venipuncture in the antecubital area because it overlies the ..... and several major ..... of the arm. A) Cephalic, femoral artery, nerves. B) Median, Brachial artery, nerves. C) Nerves, brachial artery, cephalic. D) Basilic, brachial artery, nerves. Show Answer Correct Answer: D) Basilic, brachial artery, nerves. 59. Blood carries oxygen due to the presence of ..... A) Chlorophyll. B) Xanthophyll. C) Haematin. D) Haemoglobin. Show Answer Correct Answer: D) Haemoglobin. 60. What makes the sound of your heartbeat? A) Your heart pumping blood. B) Digestion. C) High blood pressure. D) The closing of the valves in your heart. Show Answer Correct Answer: D) The closing of the valves in your heart. â PreviousNext âRelated 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 đ Back to Homepage đ Download PDF Books đ Premium PDF Books