This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the purpose of a valve? A) The move blood downward through the body. B) To move blood away from the heart. C) To prevent back flow of blood. D) To guide the blood through the bones. Show Answer Correct Answer: C) To prevent back flow of blood. 2. The name of proteins on the surface of red blood cells A) Collagen. B) Plasma. C) Antigens. D) Antibodies. Show Answer Correct Answer: C) Antigens. 3. Carries messages to and from the brain. Nerve tissue is composed of special cell known as '' Neurons" A) Connective tissue. B) Liquid tissue. C) Nerve tissue. D) Epithelial Tissue. Show Answer Correct Answer: C) Nerve tissue. 4. What shape are red blood cells? A) Concave-convex. B) Irregular. C) Biconcave. D) Spherical. Show Answer Correct Answer: C) Biconcave. 5. Heart beats in a rhythmic manner for about ..... A) Hatmes/from. B) 62times/min. C) Hatems/from. D) None. Show Answer Correct Answer: A) Hatmes/from. 6. Which is the largest vein in the body? A) Vena Cava. B) Arteriole. C) Pulmonary Vein. D) Aorta. Show Answer Correct Answer: A) Vena Cava. 7. Which component of blood is liquid? A) Plasma. B) WBC. C) RBC. D) Platelets. Show Answer Correct Answer: A) Plasma. 8. What is the correct path through the circulatory system which describes the passage of blood originating in the left leg? A) Vena cava-right atrium-left atrium-lungs-right ventricle-left ventricle-aorta. B) Vena cava-left atrium-right atrium-lungs-left ventricle-right ventricle-aorta. C) Vena cava-right atrium-right ventricle-lungs-left atrium-left ventricle-aorta. D) Vena cava-left atrium-left ventricle-lungs-right atrium-right ventricle-aorta. Show Answer Correct Answer: C) Vena cava-right atrium-right ventricle-lungs-left atrium-left ventricle-aorta. 9. Which part of the blood helps blood clots? A) Platelets. B) Plasma. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: A) Platelets. 10. What is responsible for the red color of blood? A) White blood cells. B) Red blood cells. C) Plasma. D) Veins. Show Answer Correct Answer: B) Red blood cells. 11. What is at the center of each heme ring? A) Sodium. B) Potassium. C) Calcium. D) Iron. Show Answer Correct Answer: D) Iron. 12. Which component of blood is responsible for fighting and destroying pathogens? A) Red Blood Cells. B) Plasma. C) Platelets. D) White Blood Cells. Show Answer Correct Answer: D) White Blood Cells. 13. ..... in the human body filters the bacteria and cell debris. A) Lymph vessels. B) Blood. C) Lymph nodes. D) Antibodies. Show Answer Correct Answer: C) Lymph nodes. 14. What are the main organs in the Respiratory System? A) Lungs. B) Mouth. C) Windpipe. D) Nose. Show Answer Correct Answer: A) Lungs. 15. What is the liquid portion of the blood? A) Spinal Fluid. B) Plasma. C) Red Blood Cell. D) Platelets. Show Answer Correct Answer: B) Plasma. 16. How to plants make their own food? A) The sun. B) Rain, water, and sunlight. C) The process of photosynthesis. D) Plant mechanics. Show Answer Correct Answer: C) The process of photosynthesis. 17. What pumps the blood to all parts of the body? A) The Lungs. B) The Heart. C) The Stomach. D) The Brain. Show Answer Correct Answer: B) The Heart. 18. A condition that develops when your blood lacks enough healthy red blood cells A) Leukemia. B) Thalassemia. C) Leukopenia. D) Anemia. Show Answer Correct Answer: D) Anemia. 19. A normal ..... makes a ¨lubb-dubb¨ sound. A) Atrium. B) Hearbeat. C) Ventricle. D) Pacemaker. Show Answer Correct Answer: B) Hearbeat. 20. What is the main function of the systemic circuit in the circulatory system? A) To pump blood to the heart only. B) To pump blood to the brain only. C) To pump blood to the whole body. D) To pump blood to the lungs only. Show Answer Correct Answer: C) To pump blood to the whole body. 21. Select the answer that has all the blood vessels. A) Platelets, Capillaries, Veins. B) Capillaries, Platelets, Plasma, Blood. C) Arteries, Veins, Capillaries. D) Arteries, Capillaries, Blood, Platelets. Show Answer Correct Answer: C) Arteries, Veins, Capillaries. 22. Has neither A or B antigens on the surface of the red blood cells but has both A and B antibodies in the blood plasma A) Infusion. B) Type O. C) Transfusion. D) Agglutination. E) Agglutination. Show Answer Correct Answer: B) Type O. 23. What happens when a clot occurs in an undamaged blood vessel? A) You would bleed to death. B) A scab will form on the skin surface. C) Platelets stick to the edges of the cut and form a plug. D) The flow of blood to tissues beyond the clot may be cut off. Show Answer Correct Answer: D) The flow of blood to tissues beyond the clot may be cut off. 24. Veins carry oxygen poor blood back to the heart. A) False. B) True tagsCirculatory System. Show Answer Correct Answer: B) True tagsCirculatory System. 25. What is diastolic pressure? A) The pressure in the arteries when the heart rests between beats. B) The pressure in your arteries during the contraction of your heart muscle. Show Answer Correct Answer: A) The pressure in the arteries when the heart rests between beats. 26. What carrys the used blood back to the heart? A) Lungs. B) Mouth. C) Stomach. D) Veins and blood vessels. Show Answer Correct Answer: D) Veins and blood vessels. 27. What do veins do in the circulatory system? A) They carry blood towards the heart. B) They remove oxygen from the cells. C) They carry blood away from the heart. D) They transport hormones only. Show Answer Correct Answer: A) They carry blood towards the heart. 28. How much blood does the average adult possess? A) About 4 liters. B) About 7 liters. C) About 6 liters. D) About 5 liters. Show Answer Correct Answer: D) About 5 liters. 29. White blood cells are involved with our ..... system A) Immune. B) Muscular. C) Circulatory. D) Digestive. Show Answer Correct Answer: A) Immune. 30. Plasma is a ..... A) Liquid. B) Muscle. C) Solid. D) Artery. Show Answer Correct Answer: A) Liquid. 31. In the pulmonary circuit, the blood leaves the heart in the A) Aorta. B) Pulmonary arteries. C) Pulmonary veins. D) Vena cava. Show Answer Correct Answer: B) Pulmonary arteries. 32. The formation of blood cells and occurs in bone marrow A) Thrombus. B) Hemophiliac. C) Hematopoiesis. D) Phagocytosis. Show Answer Correct Answer: C) Hematopoiesis. 33. I Carry OXYGENATED blood from to the Left atrium towards the heart A) Pulmonary artery. B) Pulmonary Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Pulmonary Veins. 34. When the heart beats, which part has the highest pressure? A) Left ventricle. B) Dexter ventricle. C) Atrium sinister. D) Atrium dexter. Show Answer Correct Answer: A) Left ventricle. 35. How many hearts does a squid have? A) Four. B) Three. C) Two. D) One. Show Answer Correct Answer: B) Three. 36. Lower chamber of the heart A) Coronary. B) Vein. C) Atrium. D) Ventricle. Show Answer Correct Answer: D) Ventricle. 37. Where does the blood get replenished with oxygen and rid of carbon dioxide? A) In the aorta. B) In the veins. C) In the lungs. D) In the heart. Show Answer Correct Answer: C) In the lungs. 38. The two branches of the trachea that connects each lung are ..... A) Lungs. B) Bronchioles. C) Bronchi. D) Alveoli. Show Answer Correct Answer: C) Bronchi. 39. Which are the vessels that carry the blood from organs to heart? A) Arteries. B) Veins. C) Capillaries. D) Arteries and veins. Show Answer Correct Answer: B) Veins. 40. Eosinophils treat..... A) Anything. B) Allergy. C) Worm. D) Bacterial infections (specific). Show Answer Correct Answer: C) Worm. 41. What side have deoxygenated blood A) Right. B) Left. Show Answer Correct Answer: A) Right. 42. These blood vessels take oxygenated blood to the body cells. A) Veins. B) Pipes. C) Capillaries. D) Arteries. Show Answer Correct Answer: D) Arteries. 43. What is the function of your heart (what is it there to do)? A) Take in the air you breathe. B) Help fight infection. C) Act as a pump to circulate blood. D) Digest food you eat into smaller molecules. Show Answer Correct Answer: C) Act as a pump to circulate blood. 44. Closed blood circulation A) Blood flows in the blood vessels. B) Blood passes through 2 times (large blood circulation and small blood circulation). Show Answer Correct Answer: A) Blood flows in the blood vessels. 45. What is the largest artery in the body? A) Carotid Artery. B) Pulmonary Artery. C) Femoral Artery. D) Aorta. Show Answer Correct Answer: D) Aorta. 46. After the metabolic process within the cell has occurred Waste products will be expelled. enters blood vessels Such waste will travel through which chamber of the heart first? and which blood vessel they use to bring them in, respectively A) Right ventricle, Pulmonary vein. B) Right atrium, inferior Vena cava. C) Leaf ventricle, Aorta. D) Leaf atrium, superior Vena cava. Show Answer Correct Answer: B) Right atrium, inferior Vena cava. 47. Once going through the tricuspid valve, the blood will continue into the A) Right ventricle. B) Left atrium. C) Pulmonary valve. D) Left ventricle. Show Answer Correct Answer: A) Right ventricle. 48. Leukaemia is a type of cáncer. A) True. B) False. Show Answer Correct Answer: A) True. 49. IN A RESTING ADULT HUMAN BEING, HEARTBEAT VARIES FROM..... BEATS PER MINUTE. A) 60-65. B) 80-85. C) 70-75. D) 50-55. Show Answer Correct Answer: C) 70-75. 50. Which part of the heart pumps deoxygenated (oxygen-poor) blood? A) Top side. B) Bottom side. C) Left side. D) Right side. Show Answer Correct Answer: D) Right side. 51. The maintenance of an organism's internal environment is called: A) Homeostasis. B) Routine. C) Compensating. D) Balancing. Show Answer Correct Answer: A) Homeostasis. 52. True or False:Blood carries oxygen and food throughout the body. A) True. B) False. Show Answer Correct Answer: A) True. 53. Neutrophils would be seen in the ..... and an increase could indicate an infection. A) Plasma. B) RBC (erythrocytes). C) Platelets (thrombocytes). D) WBC(leukocytes). Show Answer Correct Answer: D) WBC(leukocytes). 54. Connects arteries to veins, site of exchange for nutrients, waste and oxygen. A) Capillaries. B) Veins. C) Valves. D) Arteries. Show Answer Correct Answer: A) Capillaries. 55. A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place? A) Electrical $\rightarrow$ thermal $\rightarrow$ light. B) Thermal $\rightarrow$ solar $\rightarrow$ electrical. C) Chemical $\rightarrow$ light $\rightarrow$ electrical. D) Mechanical $\rightarrow$ sound $\rightarrow$ light. Show Answer Correct Answer: A) Electrical $\rightarrow$ thermal $\rightarrow$ light. 56. Which is the main organ in the respiratory system? A) Heart. B) Lungs. C) Nose. D) Stomach. Show Answer Correct Answer: B) Lungs. 57. What does the heart pump throughout the body? A) Juice. B) Milk. C) Blood. D) None of above. Show Answer Correct Answer: C) Blood. 58. What is the epiglottis? A) The epiglottis is the area where you swallow. B) The eppiglotis holds the wind pipe. Show Answer Correct Answer: A) The epiglottis is the area where you swallow. 59. If you could stretch out all the blood vessels in your body end to end, they would circle the Earth ..... times! A) 4. B) 1. C) 2. D) 3. Show Answer Correct Answer: A) 4. 60. Oxygen and carbon dioxide are transported between the blood and alveoli by way of A) Exocytosis and endocytosis by endothelial cells. B) Diffusion from areas of higher concentration to lower concentration. C) Pinocytosis using fluid-filled vesicles. D) Active transport (using ATP) by protein carriers of endothelial cells. Show Answer Correct Answer: B) Diffusion from areas of higher concentration to lower concentration. ← 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