This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 175 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 175 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An individual's blood type is determined by A) Environment. B) Genetics. C) Both environment and genetics. D) Your children's blood type. Show Answer Correct Answer: B) Genetics. 2. What is the name of the molecule formed when oxygen binds to haemoglobin? A) Oxyhaemoglobin. B) Oxyglobin. C) Carbaminohaemoglobin. D) Oxygen-haemoglobin. Show Answer Correct Answer: A) Oxyhaemoglobin. 3. The blood circuit that carries blood to and from the lungs is called the ..... A) Pulmonary circuit. B) Portal circuit. C) Renal circuit. D) Systemic circuit. Show Answer Correct Answer: A) Pulmonary circuit. 4. What is the mean of these numbers? 4, 5, 5, 2, 3, 3, 2, 8 A) 40. B) 4. C) 256. D) 24. Show Answer Correct Answer: B) 4. 5. What substance found in red blood cells is responsible for carrying oxygen? A) Platelets. B) Plasma. C) White blood cells. D) Haemoglobin. Show Answer Correct Answer: D) Haemoglobin. 6. The individual in the previous question (B+) also has A) A antibodies. B) B antibodies. C) A and B antibodies. D) No antibodies for blood proteins. Show Answer Correct Answer: A) A antibodies. 7. Oxygenated blood is rich in what? A) Oxygen. B) Carbon dioxide. Show Answer Correct Answer: A) Oxygen. 8. It is known as wind pipe. A) Bronchi. B) Trachea. C) Bronchial tubes. D) Alveoli. Show Answer Correct Answer: B) Trachea. 9. What part of your blood fights infections? A) Platelets. B) White blood cells. C) Plasma. D) Red blood cells. Show Answer Correct Answer: B) White blood cells. 10. Blood pressure is the pressure that blood exerts on your veins. A) False. B) True. Show Answer Correct Answer: A) False. 11. Many of these structures are found near large skeletal muscles, and are responsible for returning oxygen-poor blood to the heart. A) Veins. B) Capillaries. C) Arterioles. D) Arteries. Show Answer Correct Answer: A) Veins. 12. If blood has Antigen B and Rh, what is its blood type? A) B+. B) O-. C) A-. D) B-. Show Answer Correct Answer: A) B+. 13. Slower-than-normal heartrate. A) Tachycardia. B) Bradycardia. C) Tachycardiac. D) Hypocardia. Show Answer Correct Answer: B) Bradycardia. 14. Which statement about a double circulatory system is incorrect? A) Blood passes through the heart twice in one cycle. B) A simple system. C) Blood pressure is maintained. D) Found in mammals. Show Answer Correct Answer: B) A simple system. 15. RBC or red blood cell is also called: A) Thrombocyte. B) Lymphocyte. C) Basophil. D) Erythrocyte. Show Answer Correct Answer: D) Erythrocyte. 16. The function of the cardiovascular system is to bring ..... and ..... to cells A) Blood, plasma. B) CO2, nutrients. C) O2, nutrients. D) Blood, nutrients. Show Answer Correct Answer: C) O2, nutrients. 17. In which organ exchange of oxygen and carbon dioxide occurs? A) Heart. B) Vessels. C) Lungs. D) Blood. Show Answer Correct Answer: C) Lungs. 18. The basic units of structure and function within the body A) System. B) Organ. C) Cells. D) Tissue. Show Answer Correct Answer: C) Cells. 19. Blood leaving the right ventricle will move through pulmonary arteries, then to the lungs for gas exchange, and then back to the left atrium. Which blood vessel(s) is left out (omitted)? A) Aorta. B) Coronary arteries. C) Pulmonary veins. D) Pulmonary capillaries. Show Answer Correct Answer: A) Aorta. 20. Part of the heart that pumps blood back to the body or the lungs A) Atrium. B) Aorta. C) Blood. D) Ventricle. Show Answer Correct Answer: D) Ventricle. 21. The (a) is part of both the respiratory and the digestive systems. A) A Pharynx. B) Alveoli. C) Larynx. D) Larynx. Show Answer Correct Answer: A) A Pharynx. 22. Each upper chamber of the heart is called a(n) ..... A) Ventricle. B) Pulmonary artery. C) Atrium. D) Spleen. Show Answer Correct Answer: C) Atrium. 23. Red Blood Cells are formed in our ..... A) Bone marrow. B) Muscles. C) Heart. D) Liver. Show Answer Correct Answer: A) Bone marrow. 24. Directs oxygenated blood from the heart to the arteries. A) Veins. B) Vena Cava. C) Arteries. D) Aorta. Show Answer Correct Answer: D) Aorta. 25. The heart is a muscular A) Chamber. B) Vessel. C) Vessel. D) Pump. Show Answer Correct Answer: D) Pump. 26. Main parts include:nose, lungs, trachea A) Digestive system. B) Circulatory/cardiovascular system. C) Respiratory system. D) Muscular system. Show Answer Correct Answer: C) Respiratory system. 27. The number of times your heart beats in one minute. A) Pulse. B) Blood pressure. C) Heart rate. D) Heart beat. Show Answer Correct Answer: C) Heart rate. 28. Which does blood transport?I. ProteinsII. HormonesIII. Platelets A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 29. The first stethescope was invented by..... A) William Harvey William Harvey. B) Gyrilamo Fabrici Gyrilamo Fabrici. C) Both. D) Rene Laennec Rene Laennec. Show Answer Correct Answer: D) Rene Laennec Rene Laennec. 30. Circulation is offered by gastrovascular system in ..... A) Cnidaria. B) Platehelminthes. C) Both. D) Annelida. Show Answer Correct Answer: C) Both. 31. Which is true about RBC? A) The life span is 120 days. B) Stands for RBC. C) Called erythrocyte. D) All of the above. Show Answer Correct Answer: D) All of the above. 32. The alveoli ..... A) Carry blood around the body. B) Take the air from the nose to the lungs. C) Exchange oxygen and carbon dioxide. D) Is a muscle that pumps blood. Show Answer Correct Answer: C) Exchange oxygen and carbon dioxide. 33. Which respiratory pigment has a greater affinity for oxygen? A) Haemoglobin. B) Myoglobin. Show Answer Correct Answer: B) Myoglobin. 34. How are the circulatory system and muscular system related? A) They are both in the body. B) They are both red. C) The heart is a muscle. D) Muscles help the blood cells. Show Answer Correct Answer: C) The heart is a muscle. 35. Which of the following IS NOT a similarity between veins and arteries? A) They both carry blood. B) They both connect to the heart. C) They both connect to capillaries. D) They both have thick walls. Show Answer Correct Answer: D) They both have thick walls. 36. *Blood CirculationSystemic Circulation A) Pertains to the movement of blood through the tissues of the heart. B) Pertains to the movement of blood from the heart to the rest of the body. C) Pertains to the movement of blood from the heart to the rest of the body except the lungs. D) Pertains to the movement of blood from the heart to the lungs and again back to the heart. Show Answer Correct Answer: C) Pertains to the movement of blood from the heart to the rest of the body except the lungs. 37. Passage way that moistens the air and has hairs to trap dust and particles A) Bronchi. B) Mouth cavity. C) Nasal cavity. D) Larynx. Show Answer Correct Answer: C) Nasal cavity. 38. What is one way the lymphatic system moves lymph throughout the body? A) Gravity. B) A lymphatic heart. C) Ropes and pulleys. D) Motivation. Show Answer Correct Answer: A) Gravity. 39. The products of cellular respiration are carbon dioxide, ATP, and water. A) False. B) True. Show Answer Correct Answer: B) True. 40. What is it when part of the heart muscle dies or is damaged; not enough oxygen can reach the heart? A) Heart attack. B) Atherosclerosis. Show Answer Correct Answer: A) Heart attack. 41. Which statement most accurately describes the pulmonary vein? A) Blood vessels that carry oxygen-rich blood back into the lungs. B) Blood vessels that carry metabolic waste from cells back to the heart. C) Blood vessel that receives blood from the right ventricle of the heart and sends it to the lungs for purification. D) Blood vessels that carry purified blood from the lungs back into the left atrium of the heart. Show Answer Correct Answer: C) Blood vessel that receives blood from the right ventricle of the heart and sends it to the lungs for purification. 42. It carry oxygenated blood away from the heart to the cells, tissues, and organs of the body. A) Arteries. B) Capillaries. C) Veins. D) Blood Vessel. Show Answer Correct Answer: A) Arteries. 43. Which of the following should not be part of the group? A) Tricuspid Valve. B) Pulmonary Valve. C) System Valve. D) Mitral Valve. Show Answer Correct Answer: C) System Valve. 44. What are the smallest blood vessels that exchange gases, nutrients and wastes with the cells of the body? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 45. It is called the pumping chambers of the heart A) Ventricles. B) Blood vessels. C) Veins. D) Ears. Show Answer Correct Answer: A) Ventricles. 46. Which division of the nervous system includes the brain and spinal cord and is important to processing and analyzing information? A) Peripheral Nervous System. B) Central Nervous System. C) Sympathetic Nervous System. D) Parasympathetic Nervous System. Show Answer Correct Answer: B) Central Nervous System. 47. These Neurologists are responsible for the study of neurological diseases caused by poor blood circulation in the brain. A) Neuroradiologists. B) Cerebrovascular neurologists. C) Pediatric neurologists. D) Autonomic nervous system neurologists. Show Answer Correct Answer: B) Cerebrovascular neurologists. 48. Blood group AB consists of antigens A and B A) True. B) False. Show Answer Correct Answer: A) True. 49. Which of the following has the thickest wall? A) Right ventricle. B) Right auricle. C) Left auricle. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 50. You can count your heartbeats by feeling your ..... A) Pulse. B) Pressure. C) Blood vessels. D) None of above. Show Answer Correct Answer: A) Pulse. 51. Arteries are..... walled blood vessels. A) Thick. B) Thin. Show Answer Correct Answer: A) Thick. 52. The life span of WBC is? A) 5-10 days. B) 10-30 days. C) 15-25 days. D) 13-20 days. Show Answer Correct Answer: D) 13-20 days. 53. Why do we have 2 different colors of blood in our body? A) Some is old, some is new. B) Some is healthy, some is sick. C) Some is oxygen, some doesn't. D) Some is cold, some is warm. Show Answer Correct Answer: C) Some is oxygen, some doesn't. 54. The heart, arteries, and blood vessels work together in the? (a) A) A Circulatory system. B) Digestive system. C) Delivery system. D) Blood system. Show Answer Correct Answer: A) A Circulatory system. 55. Which part of the Respiratory System collects air from the environment, heats/moistens the air, and uses small hairs to catch dirt and pollen? A) Lungs. B) Heart. C) Brain. D) Nose. Show Answer Correct Answer: D) Nose. 56. The statement below is a function of the circulation system in humans except ..... A) Circulates oxygen throughout the body's tissue. B) Transports nutrients to all body tissues. C) Deliver impulse stimulation. D) Transporting metabolic waste to excretion devices. Show Answer Correct Answer: C) Deliver impulse stimulation. 57. How many blood type are there? A) 6. B) 4. C) 5. D) 3. Show Answer Correct Answer: B) 4. 58. How does your body get the oxygen it needs? A) Breathing. B) Diffusion. C) Osmosis. D) None of above. Show Answer Correct Answer: A) Breathing. 59. If you had heart disease you would probably see a ..... A) Psychologist. B) Pulmonologist. C) Cardiologist. D) Nutritionist. Show Answer Correct Answer: C) Cardiologist. 60. Veins are also called..... A) Arteries. B) Return vessel. Show Answer Correct Answer: B) Return vessel. ← 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