This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 87 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 87 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of a leukocyte? A) Fight infection. B) Carry oxygen. C) Form blood clots. D) Make red blood cells. Show Answer Correct Answer: A) Fight infection. 2. Where is hemoglobin located? A) In the intrapleural space. B) In the alveoli. C) In plasma. D) Inside red blood cells. Show Answer Correct Answer: D) Inside red blood cells. 3. We have been studying the ..... system. A) Immune. B) Circulatory. C) Nervous. D) Respiratory. Show Answer Correct Answer: B) Circulatory. 4. What is true about the pacemaker? A) It is located in the left atrium and controls the pattern of contraction and relaxation by sending electrical signal. B) It is located in the right atrium and controls the pattern of contraction and relaxation by sending electrical signal. C) It is located in the right atrium and prevents the backflow of blood. D) It is located in the left atrium and prevents the backflow of blood. Show Answer Correct Answer: B) It is located in the right atrium and controls the pattern of contraction and relaxation by sending electrical signal. 5. The blood vessels that carries blood away from the kidney A) Renal artery. B) Hepatic portal vein. C) Inferior vena cava. D) Renal vein. Show Answer Correct Answer: D) Renal vein. 6. How much blood do you have in your body? A) 4-5 quarts. B) 5-6 quarts. C) 6-7 quarts. D) None of above. Show Answer Correct Answer: B) 5-6 quarts. 7. Hair in your nose and mucus help to trap dust, bacteria, and other materials from going into your lungs when you breathe in. A) False. B) True. Show Answer Correct Answer: B) True. 8. When you go to the doctor and they want to see how hard your heart is pumping, they take your ..... A) Blood pressure. B) Temperature. C) Pulse. D) Name and address. Show Answer Correct Answer: A) Blood pressure. 9. Which vessel is responsible for taking oxygen rich blood to the body? A) Vena cava. B) Aorta. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: B) Aorta. 10. Helps to clot blood A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: D) Platelets. 11. The part of the experiment that does not contain the independent variable. Used for comparison. A) Control Group. B) Data. C) Results. D) Experimental Group. Show Answer Correct Answer: A) Control Group. 12. Which of the following is the correct order from smallest to biggest? A) Organ-Cell-Tissue. B) Organ-Tissue-Cell. C) Cell-Organ-Tissue. D) Cell-Tissue-Organ. Show Answer Correct Answer: D) Cell-Tissue-Organ. 13. What is the main function of the vena cava in the circulatory system? A) Carry blood towards the heart. B) Carry blood away from the heart. C) Involved in the clotting process of the blood following an injury. D) Protect against disease and harmful bacteria; produce antibodies. Show Answer Correct Answer: A) Carry blood towards the heart. 14. A lodged clot that grows on site is called a(n) A) Embolism. B) Thrombus. Show Answer Correct Answer: B) Thrombus. 15. Arrange the events below in the order that they actually happen for coronary heart disease? I. plaque formsII. cholesterol builds up in artery wallIII. blood clot forms Only one answer is correct? A) II $\rightarrow$ I $\rightarrow$ III. B) II $\rightarrow$ III $\rightarrow$ I. C) I $\rightarrow$ II $\rightarrow$ III. D) I $\rightarrow$ III $\rightarrow$ II. Show Answer Correct Answer: A) II $\rightarrow$ I $\rightarrow$ III. 16. The valve that is located between the right atrium and the right ventricle. A) Pulmonary Valve. B) Aortic Valve. C) Tricuspid Valve. D) Mitral Valve. Show Answer Correct Answer: C) Tricuspid Valve. 17. Life span of WBC A) 19 to 70 days. B) 120 days. C) 10 to 30 days. D) 13 to 20 days. Show Answer Correct Answer: D) 13 to 20 days. 18. What organ pumps blood throughout your body? A) Arteries. B) Heart. C) Veins. D) Blood vessels. Show Answer Correct Answer: B) Heart. 19. Why erythrocyte, platelets and protein plasma cannot be found in the interstitial fluid and lymph? A) The size are too big. B) It can change the shape. C) It is too small. D) Red in colour. Show Answer Correct Answer: A) The size are too big. 20. Thinnest blood vessels that allow substances to diffuse into and out of the blood A) Capillaries. B) Veins. C) Arteries. D) Synapses. Show Answer Correct Answer: A) Capillaries. 21. This is a genetic disease in which blood doesn't have enough platelets ..... A) Hemophilia. B) Leukemia. C) Sickle-cell. D) Anemia. Show Answer Correct Answer: A) Hemophilia. 22. Which chamber of the heart gives the blood the most powerful push? A) Right atrium. B) Right ventricle. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: C) Left ventricle. 23. What side of your chest is your heart on? A) Left. B) Right. Show Answer Correct Answer: A) Left. 24. What is the importance of vena cavae in the circulatory system? A) They are responsible for oxygenating blood. B) They collect oxygen poor blood from all parts of the body and bring it to the heart. C) They receive oxygen-poor blood from the superior and inferior vena cavae and transports it to the right ventricle. D) They transport oxygen-rich blood to the aorta. Show Answer Correct Answer: B) They collect oxygen poor blood from all parts of the body and bring it to the heart. 25. Which type of blood cell absorb amino acids? A) RBC. B) WBC. C) Granulocyte. D) Platelet. Show Answer Correct Answer: A) RBC. 26. Fish have ..... ventricle(s) A) One. B) Four. C) Three. D) Two. Show Answer Correct Answer: A) One. 27. Which one of the following types of cells lack nucleus in humans? A) Neutrophils. B) Monocytes. C) Erythrocytes. D) Eosinophils. Show Answer Correct Answer: C) Erythrocytes. 28. Higher in pressure A) Veins. B) Arteries. Show Answer Correct Answer: B) Arteries. 29. A single celled organism can carry out all of life process for survival on it's own-true or false? A) True. B) False. Show Answer Correct Answer: A) True. 30. What is the heart walls made up of? A) Blood. B) Muscle. C) Skin. D) Fats. Show Answer Correct Answer: B) Muscle. 31. What do the red blood cells drop off TO THE body cells? A) Oxygen. B) Carbon dioxide. C) Methane. D) Waste. Show Answer Correct Answer: A) Oxygen. 32. The blood flows in the body as in the following order A) Arteries, capillaries, veins, right atrium, right ventricle. B) Arteries, capillaries, veins, right ventricle, right atrium. C) Pulmonary arteries, lung, pulmonary vein, aorta. D) Pulmonary arteries, left atrium, left ventricle, aorta. Show Answer Correct Answer: A) Arteries, capillaries, veins, right atrium, right ventricle. 33. The top chambers are called?(1 and 3) A) Ventricles. B) Atrium. Show Answer Correct Answer: B) Atrium. 34. The number of miles that Kiki cycled each week for a 7-week period is shown:36, 42, 28, 52, 48, 36, 31 What is the median number of miles Kiki cycled? A) 36. B) 39. C) 24. D) 52. Show Answer Correct Answer: A) 36. 35. Correct spelling is A) Hemoglobin. B) Haemoglobin. C) Hemoglobin. D) Hemoglobin. Show Answer Correct Answer: B) Haemoglobin. 36. Cross an AB blood type with an O blood type A) A, B, AB, O. B) A, AB, O. C) B, AB, O. D) A, B. Show Answer Correct Answer: D) A, B. 37. Which blood vessels carry blood towards the heart? A) Veins. B) Venules. C) Arteries. D) Arterioles. Show Answer Correct Answer: A) Veins. 38. Which of the following correctly describes arteries? A) Blood vessels with thick walls that carry blood away from the heart. B) Blood vessels with valves that carry blood to the heart. C) Blood vessels with thick walls that carry blood to the heart. D) Blood vessels with valves that carry blood away from the heart. Show Answer Correct Answer: A) Blood vessels with thick walls that carry blood away from the heart. 39. Low level of red blood cells or red blood cells without hemoglobin leads to: A) Sickle cells. B) Hemophilia. C) Anemia. D) Leukemia. Show Answer Correct Answer: C) Anemia. 40. The largest lymphatic structure is? A) Lymph. B) Tonsils. C) Spleen. D) None of above. Show Answer Correct Answer: C) Spleen. 41. What is the function of the inferior vena cava? A) Carry oxygenated blood from the lower body to the right atrium. B) Carry deoxygenated blood from the upper body to the right atrium. C) Carry oxygenated blood from the upper body to the right atrium. D) Carry deoxygenated blood from the lower body to the right atrium. Show Answer Correct Answer: D) Carry deoxygenated blood from the lower body to the right atrium. 42. What is the smallest unit of life? A) Tissue. B) Organ. C) Atom. D) Cell. Show Answer Correct Answer: D) Cell. 43. Leucocytes can be classified into granulocytes and agranulocytes. Which of the following is NOT a granulocyte? A) Neutrophils. B) Eosinophils. C) Monocytes. D) Basophils. Show Answer Correct Answer: C) Monocytes. 44. It's a blood vessel in the FRONTAL PART OF THE NECK A) Femoral artery. B) Femoral vein. C) Vena cava. D) Carotid artery. E) Jugular vein. Show Answer Correct Answer: E) Jugular vein. 45. COMPONENTS OF THE BLOOD:Transport oxygen. A) Platelets. B) Plasma. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 46. Organs of the respiratory system that bring oxygen-rich air into the body and send oxygen-poor air out of the body. A) Bones. B) Lungs. C) Heart. D) Muscles. Show Answer Correct Answer: B) Lungs. 47. Which of the following structures carries deoxygenated blood? A) Pulmonary vein. B) Aorta. C) Left atrium. D) Right atrium. Show Answer Correct Answer: D) Right atrium. 48. Which component of blood makes up 1% of blood? A) White blood cells and platelets. B) All of the above. C) None of the above. D) None of above. Show Answer Correct Answer: A) White blood cells and platelets. 49. Which of the following are chambers of the heart? A) Valves. B) Atrium and ventricle. C) Arteries and veins. D) Atrium and veins. Show Answer Correct Answer: B) Atrium and ventricle. 50. What is the chemical equation for cellular respiration? A) Glucose + Carbon Dioxide $\rightarrow$ Oxygen + Water + ATP. B) ATP+ Oxygen $\rightarrow$ Water + Carbon Dioxide + Glucose. C) Glucose + Oxygen $\rightarrow$ Carbon Dioxide + Water + ATP. D) Glucose + Water $\rightarrow$ Carbon Dioxide + Oxygen + ATP. Show Answer Correct Answer: C) Glucose + Oxygen $\rightarrow$ Carbon Dioxide + Water + ATP. 51. There are valves within the heart cavity. A) False. B) True. Show Answer Correct Answer: B) True. 52. Blood returns to the heart from the body through blood vessels called? A) Veins. B) Arteries. C) Lymphatic Vessels. D) Capillaries. Show Answer Correct Answer: A) Veins. 53. These are similar to delivery trucks? (a) A) A blood cells. B) Arteries. C) Veins. D) Heart. Show Answer Correct Answer: A) A blood cells. 54. The blood:on the way it picks up nutrients and oxygen and drops off carbon dioxide and waste products A) True. B) False. Show Answer Correct Answer: A) True. 55. Oxygenated blood flow from the lungs to the heart via ..... A) Aorta. B) Vena Cava. C) Pulmonary vein. D) Pulmonary artery. Show Answer Correct Answer: C) Pulmonary vein. 56. The replacement of lost blood. A) Plasma. B) Platelets. C) Transfusion. D) None of above. Show Answer Correct Answer: C) Transfusion. 57. What causes the "lub-dub, lub-dub" sound that your heart makes? A) Valves closing. B) Valves opening. C) Cardiac muscle relaxation. D) None of above. Show Answer Correct Answer: A) Valves closing. 58. Which type of blood vessel carries blood to your heart? A) Capillaries. B) Veins. C) Arteries. D) Valves. Show Answer Correct Answer: B) Veins. 59. Which one of these valves is a semilunar valve? A) Bicuspid. B) Tricuspid. C) Atrium. D) Aortic. Show Answer Correct Answer: D) Aortic. 60. The circulatory system is said to be closed because A) The blood always stays within the blood vessels. B) It does not go anywhere. C) The blood flows outside the blood vessels. D) It closes around the heart. Show Answer Correct Answer: A) The blood always stays within the blood vessels. ← 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