This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 64 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 64 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If your spleen is damaged or removed, other organs in the body take over many of its functions. A) True. B) False. Show Answer Correct Answer: A) True. 2. What actually makes your blood the color red? (Choose the best answer) A) Red Blood Cells. B) Hemoglobin. C) Iron. D) Erothrocytes. Show Answer Correct Answer: B) Hemoglobin. 3. This organ is about the size of a fist A) Brain. B) Heart. C) Lungs. D) Liver. Show Answer Correct Answer: B) Heart. 4. Hardening of the arteries- A) Hypertension. B) Arteriosclerosis. C) Thrombosis. D) Hypotension. Show Answer Correct Answer: B) Arteriosclerosis. 5. The Left AV valve is a ..... valve. A) Bicuspid. B) Tricuspid. C) Cuspid. D) None of above. Show Answer Correct Answer: A) Bicuspid. 6. Example of a portal system A) Renal Portal Vein. B) Cardiac Vein. C) Hepatic Portal Artery. D) Hepatic Portal Vein. Show Answer Correct Answer: D) Hepatic Portal Vein. 7. When we breathe in, our bodies use ..... to live. A) Carbon dioxide. B) Carbon monoxide. C) Nitrogen. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 8. Open circulatory system ..... Open blood circulation ..... A) Blood flows in streams. B) Blood flows in blood vessels. C) Both. D) White blood. Show Answer Correct Answer: A) Blood flows in streams. 9. Blood is a ..... A) Organ system. B) Organ. C) Cell. D) Tissue. Show Answer Correct Answer: D) Tissue. 10. How would vasoconstriction help reduce blood loss? A) Blood would be transported to the skin and away from the organs. B) Blood would be transported away from the skin and deeper into the organs. Show Answer Correct Answer: B) Blood would be transported away from the skin and deeper into the organs. 11. Which type of blood vessels takes blood AWAY from the heart? A) Arteries. B) Capillaries. C) Atria. D) Veins. Show Answer Correct Answer: A) Arteries. 12. Liquid part of blood; dissolves proteins, sugars, and nutrients A) Red blood cell. B) Plasma. C) White blood cell. D) Platelet. Show Answer Correct Answer: B) Plasma. 13. The only vein to carry oxygenated blood is ..... A) Inferior vena cava. B) Pulmonary vein. C) Pulmonary artery. D) Aorta. Show Answer Correct Answer: B) Pulmonary vein. 14. True or False:Blood is red when it is oxygenated and blue when it is deoxygenated. A) True. B) False. Show Answer Correct Answer: B) False. 15. ..... transports water and some nutrients up from the roots to the rest of the plant. A) Phloem. B) Spongy mesophyll. C) Xylem. D) Stoma. Show Answer Correct Answer: C) Xylem. 16. Arteries carry mostly blood A) Oxygenated. B) Desalinated. C) Deoxygenated. D) Pura. Show Answer Correct Answer: A) Oxygenated. 17. The brachiocephalic artery divides to form the right common carotid and the ..... artery. A) Right subclavian. B) Right thoracic artery. C) Left common carotid. D) Left subclavian. Show Answer Correct Answer: A) Right subclavian. 18. What is the major blood vessel leaving the left side of the heart called? A) Jugular Vein. B) Aorta. C) Vena Cava. D) Pulmonary Artery. Show Answer Correct Answer: B) Aorta. 19. The "lub-dub" sounds of the heart come from the ..... A) Blood Whooshing. B) Lungs exhaling at the same time. C) Fact that boys are nervous around girls. D) Valves closing. Show Answer Correct Answer: D) Valves closing. 20. These thick blood vessels carry oxygen rich blood away from the heart and to the rest of the body A) Arteries. B) Veins. C) Plasma. D) Capillaries. Show Answer Correct Answer: A) Arteries. 21. In the human body, red blood cells are produced in A) Pancreas. B) Voluntary muscles. C) Bone marrow. D) Liver. Show Answer Correct Answer: C) Bone marrow. 22. Your blood being pumped through arteries is possible because of WHAT TYPE OF MUSCLE? A) Voluntary. B) Smooth. C) Skeletal. D) Involuntary. Show Answer Correct Answer: B) Smooth. 23. Alveoli increase the surface area in the lungs to allow ..... A) More nutrients to be absorbed. B) You to breathe faster. C) You to breathe slower. D) More O2 and CO2 to exchange. Show Answer Correct Answer: D) More O2 and CO2 to exchange. 24. Which are tubes that return blood to the heart A) Capillaries. B) Arteries. C) Veins. D) None of the above. Show Answer Correct Answer: C) Veins. 25. Choose the word to fill in the blank..... to make the correct statement:The great cycle begins at..... and ends at..... A) Right ventricle-right atrium. B) Left ventricle-left atrium. C) Left ventricle-right atrium. D) Right ventricle-left atrium. Show Answer Correct Answer: C) Left ventricle-right atrium. 26. Atria and ventricular diastole causes what to happen to the heart? A) All the chambers push blood out from the heart through the veins. B) All the chambers push blood out from the heart through the arteries. C) All the chambers are contracted and filling with blood. D) All the chambers are relaxed and filling with blood. E) There is no movement of blood. Show Answer Correct Answer: D) All the chambers are relaxed and filling with blood. 27. This chamber of the heart RECEIVES oxygen rich blood back from the lungs A) Left Ventricle. B) Right Ventricle. C) Right Atrium. D) Left Atrium. Show Answer Correct Answer: D) Left Atrium. 28. Which blood type is considered the universal donor? A) Type B. B) Type A. C) Type O. D) Type AB. Show Answer Correct Answer: C) Type O. 29. A red liquid that flows throughout the body A) Blood. B) Capillaries. C) Heart. D) Pump. Show Answer Correct Answer: A) Blood. 30. After reviewing an electrocardiogram the nurse determines that an electrical impulse originated in a patient's the sinoatrial node. What did the nurse see on this tracing? A) An inverted T wave. B) An upright T wave. C) A negative P wave before a QRS complex. D) A positive P wave before a QRS complex. Show Answer Correct Answer: D) A positive P wave before a QRS complex. 31. These muscles are connected to the bone. A) Smooth. B) Skeletal. C) Cardiac. D) None of above. Show Answer Correct Answer: B) Skeletal. 32. Which of the following is the correct path of blood starting from the left ventricle? A) Left atria-pulmonary veins-lungs-pulmonary artery-right ventricle. B) Left atria-lungs-pulmonary vein-heart-aorta-organs. C) Aorta-arteries-organs-veins-vena cava-right atrium. D) Aorta-vena cava-arteries-organs-veins-right atrium-lungs. Show Answer Correct Answer: C) Aorta-arteries-organs-veins-vena cava-right atrium. 33. Carry low-oxygen blood from the tissues back to the heart; except for the pulmonary vein which carries oxygenated blood A) Type AB. B) Type B. C) Type AB. D) Veins. E) Capillaries. Show Answer Correct Answer: D) Veins. 34. Which works as part of the immune system? A) Red blood cell. B) White blood cell. C) Platelets. D) None of above. Show Answer Correct Answer: B) White blood cell. 35. White blood cells are also known as thrombocytes. A) True. B) False. Show Answer Correct Answer: B) False. 36. These connect the arteries to the veins and are the smallest blood vessel. A) Atria. B) Ventricles. C) Valves. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 37. Responds to changes in blood pressure- A) Baroreceptors. B) Thrombosis. C) Arteriosclerosis. D) Hepatic artery. Show Answer Correct Answer: A) Baroreceptors. 38. List six substances that are dissolved or suspended in plasma? A) Nutrients, mineral salts, gases, metabolic & waste products, hormones, enzymes. B) Water, electrolytes, proteins, hormones, waste products, and nutrients. C) Pizza, burgers, fries, soda, ice cream, and candy. D) Cars, planes, boats, trains, bicycles, and motorcycles. Show Answer Correct Answer: A) Nutrients, mineral salts, gases, metabolic & waste products, hormones, enzymes. 39. Which describes the systemic circuit A) Movement of blood between the heart and lungs. B) Movement of blood to the digestive system. C) Movement of blood to the bones. D) Movement of blood from the heart to the rest of the body. Show Answer Correct Answer: D) Movement of blood from the heart to the rest of the body. 40. What is the double-layered membrane on the outside of the heart? A) Septum. B) Atrium. C) Ventricle. D) Pericardium. Show Answer Correct Answer: D) Pericardium. 41. Loose connective tissue covered by mesothelium A) Mesothelial pericardium. B) Parietal pericardium. C) Pericardial cavity. D) Visceral pericardium. Show Answer Correct Answer: B) Parietal pericardium. 42. What is called the river of life? A) Alone. B) Blood. C) Lungs. D) Heart. Show Answer Correct Answer: B) Blood. 43. What does the circulatory system rely on? A) Endocrine system. B) Brain. C) Nervous system. D) Respiratory system. Show Answer Correct Answer: C) Nervous system. 44. The bottom chambers of the heart are called the: A) Ventricles. B) Atrium. Show Answer Correct Answer: A) Ventricles. 45. Covers your "windpipe" when you swallow so food doesn't get into the lungs A) Trachea. B) Epiglottis. C) Patella. D) Septum. Show Answer Correct Answer: B) Epiglottis. 46. Which of the following, found ONLY in plant cells, provides structure? A) Cell wall. B) Chloroplast. C) Mitochondria. D) Vacuoles. Show Answer Correct Answer: A) Cell wall. 47. This part of the heart opens and closes to make sure blood flows in the right direction A) Atriums. B) Arteries. C) Valves. D) Chambers. Show Answer Correct Answer: C) Valves. 48. True or false:Arteries always carry oxygenated blood. A) True. B) False. Show Answer Correct Answer: B) False. 49. During a school trip to a wildlife reserve, Benjamin, Arjun, and Charlotte observed various animals. They noticed a particular interaction between two species. Which of the following could be an example of a predator-prey relationship they might have observed? A) Eagles and mice. B) Sharks and fish. C) Lions and zebras. D) Wolves and rabbits. Show Answer Correct Answer: C) Lions and zebras. 50. What delivers food and oxygen to all parts of the body? A) Veins. B) Arteries. C) Blood. D) "The chickens brothers. Show Answer Correct Answer: C) Blood. 51. Superior vena cava returns blood from the ..... body. Inferior vena cava returns blood from the ..... body. A) Ventricle in the, atrium in the. B) Upper, lower. C) Atrium in the, ventricle in the. D) Lower, upper. Show Answer Correct Answer: B) Upper, lower. 52. Vesalius found that the human breastbone is split into three sections. What did Galen say about the human breastbone? A) It was split up into 9 sections. B) It was made of cartilage. C) It was one solid piece. D) It was split up into 7 sections. Show Answer Correct Answer: D) It was split up into 7 sections. 53. The heart is the same size of your ..... A) Nose. B) Neck. C) Feet. D) Fist. Show Answer Correct Answer: D) Fist. 54. Blood pressure measured when the ventricles are relaxed A) Pulse. B) Diastolic. C) Venous return. D) Systolic. Show Answer Correct Answer: B) Diastolic. 55. Students investigated changes in heart rate before and during exercise. The heart rate of a student was measured at three different times, as shown in the table.Which statement BEST explains the increase in heart rate? A) Cells needed more oxygen as the exercise became more strenuous. B) Cells required more nutrients over time. C) Cells needed to produce more protein to build muscle during the exercise. D) Cells required more water to regulate temperature. Show Answer Correct Answer: A) Cells needed more oxygen as the exercise became more strenuous. 56. What is hemophilia? A) It is another name for blood clotting. B) A genetic disorder that affects blood clotting. C) A genetic disorder that leads to sickle shaped blood cells. D) A genetic disorder that affects blood flow. Show Answer Correct Answer: B) A genetic disorder that affects blood clotting. 57. Blood flows through your ..... to top up its oxygen levels. A) Lungs. B) Small intestine. C) Cells. D) None of above. Show Answer Correct Answer: A) Lungs. 58. What does the figure represent? A) Food web. B) A cycle. C) Food chain. D) Habitat. Show Answer Correct Answer: A) Food web. 59. In fish, the blood that leaves the heart will travel to which part of the body? A) Gills. B) Stomach. C) Brain. D) Dorsal fin. Show Answer Correct Answer: A) Gills. 60. Where are materials exchanged between the body cells and blood vessels: A) Arteries. B) Venules. C) Capillaries. D) Veins. Show Answer Correct Answer: C) Capillaries. ← 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