This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 215 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 215 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is a muscular organ about the size of a closed fist, it pumps blood to the different parts of the body A) Heart. B) Blood. C) Blood vessels. D) None of above. Show Answer Correct Answer: A) Heart. 2. Name the system that helps to circulate the blood in the human body. A) Respiratory system. B) Heart. C) Digestive system. D) Circulatory system. Show Answer Correct Answer: D) Circulatory system. 3. This filters the blood by removing worn out red blood cells? A) Veins. B) Spleen. C) Tonsils. D) Arteries. Show Answer Correct Answer: B) Spleen. 4. Normal BP is 120/80, If a person's blood pressure reading shows 170/90, what does it mean? A) Hypertension. B) Hypotension. C) Normal blood pressure. D) None of above. Show Answer Correct Answer: A) Hypertension. 5. These blood vessels are responsible for connecting arteries and veins. They act as "highways" connecting veins and arteries. A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 6. Generally have carbon dioxide ($CO2$ A) Venous Vessels (Back) [6]. B) Arteries (pulses) [6]. Show Answer Correct Answer: A) Venous Vessels (Back) [6]. 7. Proteins produced by the immune system that destroy foreign substances ..... A) Antigens. B) Agglutinates. C) Platelets. D) Antibodies. Show Answer Correct Answer: D) Antibodies. 8. Normal blood presure is less than ..... A) 180/20. B) 120/80. C) 140/60. D) 130/95. Show Answer Correct Answer: B) 120/80. 9. Nucleus is absent in A) RBCs. B) WBCs. C) All blood cells. D) Liver cells. Show Answer Correct Answer: A) RBCs. 10. Blood vessels that carry blood away from the heart are know as ..... A) Veins (red-orange). B) Arteries (purple). C) Capillaries (yellow). D) None of above. Show Answer Correct Answer: B) Arteries (purple). 11. Which is the muscle that assists with breathing A) Tongue. B) Diaphragm. C) Epiglottis. D) None of above. Show Answer Correct Answer: B) Diaphragm. 12. The ..... are the organs we use to breathe. A) Liver. B) Lungs. C) Heart. D) Stomach. Show Answer Correct Answer: B) Lungs. 13. Each side of heart contains ..... chambers. A) 1. B) 4. C) 3. D) 2. Show Answer Correct Answer: D) 2. 14. Regardless of the heart chamber, contraction is called ..... and relaxation, ..... A) Systole, diastole. B) Fibrillation, defibrillation. C) Defibrillation, fibrillation. D) Diastole, systole. Show Answer Correct Answer: A) Systole, diastole. 15. The rH factor determines what part of the blood type? A) + or-. B) The number of antibodies. C) The number of antigens. D) Agglutination. Show Answer Correct Answer: A) + or-. 16. Protection of blood vessels A) Angiophylaxis. B) Ventriculophylaxis. C) Vasculophagia. D) Angiostenosis. Show Answer Correct Answer: A) Angiophylaxis. 17. What does the top number in a blood pressure measurement represent? A) The pressure that your arteries experience when your ventricles contract. B) The pressure that your arteries experience when your ventricles are relaxed. Show Answer Correct Answer: A) The pressure that your arteries experience when your ventricles contract. 18. Which of the following carries blood TO the heart? A) Vein. B) Atrium. C) Artery. D) Ventricle. Show Answer Correct Answer: A) Vein. 19. The ..... carry pure blood from the heart. A) Vessels. B) Capillaries. C) Arteries. D) Veins. Show Answer Correct Answer: C) Arteries. 20. This distributes oxygen rich blood to your body A) Blood Vessels. B) Veins. C) Arteries. D) Capillaries. Show Answer Correct Answer: C) Arteries. 21. What is one type of genetic disorder which disrupts the body's ability to clot and can be life threatening? A) Leukemia. B) Hemophilia. C) Hematopoiesis. D) Lymphoma. Show Answer Correct Answer: B) Hemophilia. 22. This type of vessel carries blood AWAY from the heart. A) Artery. B) Muscle. C) Vein. D) Cartilage. Show Answer Correct Answer: A) Artery. 23. Where does the digestion of starch begin? A) Esophagus. B) Small intestine. C) Stomach. D) Mouth. Show Answer Correct Answer: D) Mouth. 24. The right side of the heart pumps A) Air. B) Oxygenated blood. C) Deoxygenated blood. D) Glucose. Show Answer Correct Answer: C) Deoxygenated blood. 25. Platelets play a role to ..... A) Help in the immune system. B) Help in the clotting process. C) Carry oxygen and nutrients around the body. D) Carry carbon dioxide and waste materials away from the body. Show Answer Correct Answer: B) Help in the clotting process. 26. Which part of the heart is made of muscles? A) Ventricle. B) Wall. C) Auricle. D) Aorta. Show Answer Correct Answer: B) Wall. 27. A capillary is a form of ..... A) Respiration. B) Alveoli. C) Blood vessel. D) Gas exchange. Show Answer Correct Answer: C) Blood vessel. 28. The blood vessel that carry deoxygenated to the lungs A) Pulmonary vein. B) Aorta. C) Vena cava. D) Pulmonary artery. Show Answer Correct Answer: D) Pulmonary artery. 29. What is the upper right chamber of the heart called? A) Right atrium. B) Left ventricle. C) Right ventricle. D) Left atrium. Show Answer Correct Answer: A) Right atrium. 30. X is a type of blood vessel which carries blood towards the heart and is superficial. Can you identify X? A) Artery. B) Vein. C) Platelets. D) Plasma. Show Answer Correct Answer: B) Vein. 31. The atrium is in this section of the heart A) Top. B) Bottom. Show Answer Correct Answer: A) Top. 32. Human heart is made up of which kind of muscles? A) Cardiac muscles. B) Smooth muscles. C) Skeletal muscles. D) None of above. Show Answer Correct Answer: A) Cardiac muscles. 33. Is the aorta the smallest part? A) False. B) True. Show Answer Correct Answer: A) False. 34. Where does oxygenated blood travel to from the lungs A) Right ventricle. B) Left atrium. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: C) Right atrium. 35. What is it called when the heart is beating too slowly A) Ventricular fibrillation. B) Tachycardia. C) Bradycardia. D) Atrial fibrillation. Show Answer Correct Answer: C) Bradycardia. 36. This keeps blood from flowing backwards in the heart A) Arteries. B) Cupid. C) Veins. D) Valves. Show Answer Correct Answer: D) Valves. 37. The heart has 4 chamber A) True. B) False. Show Answer Correct Answer: A) True. 38. The ..... is the sound of the heart makes when it pumps blood. A) Capillaries. B) Heartbeat. C) Mutation. D) Guitar. Show Answer Correct Answer: B) Heartbeat. 39. Why does heartbeat rate decrease in large animals? Why do larger organisms have lower heart rates? A) Large animals possess large sized heart. Larger organisms have larger sized hearts. B) As heart size increases, it's capacity increases. As the size of the heart increases, so does its capacity. C) As the heart's capacity increases, the heart beat rate decreases. Heart rate decreases when cardiac output increases. D) All the above are correct. Show Answer Correct Answer: D) All the above are correct. 40. The extracellular matrix of blood is called A) Lympocytes. B) Plasma. C) Buffy coat. D) Erythrocytes. Show Answer Correct Answer: B) Plasma. 41. The highly branched nature of capillaries results in A) The blood vessel being very delicate. B) A high surface area for material exchange. C) A slow blood flow to allow more time for material exchange. D) All of the above. Show Answer Correct Answer: D) All of the above. 42. Which of the following are biotic factors in an ecosystem? A) Rain, sunlight, and plants. B) Plants, animals, and bacteria. C) Temperature, animals, and plants. D) Animals, minerals in the soil, and rain. Show Answer Correct Answer: B) Plants, animals, and bacteria. 43. A structure that acts as a one-way gate A) Heart valve. B) Left ventricle. C) Right ventricle. D) Lungs. Show Answer Correct Answer: A) Heart valve. 44. This blood vessel carries deoxygenated blood from the body to the right atrium A) Pulmonary vein. B) Vena cava. C) Aorta. D) Pulmonary artery. Show Answer Correct Answer: B) Vena cava. 45. Heart Attack Warning Sign:Anxiety and sleep disturbances. A) Men. B) Women. C) Both. D) None of above. Show Answer Correct Answer: B) Women. 46. Haemoglobin is the carrier of ..... A) Gas. B) Food. C) Water. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 47. Gas exchange occurs between the ..... A) Alveoli and the heart. B) Capillaries and alveoli. C) Capillaries and villi. D) Blood and the air. Show Answer Correct Answer: B) Capillaries and alveoli. 48. Which carries oxygen-rich blood away from the heart? A) Arteries. B) Capillaries. C) Marrow. D) Veins. Show Answer Correct Answer: A) Arteries. 49. Which is the external layer of blood vessels? A) Outer Tunic. B) Tunica Media. C) Inner Tunic. D) None of above. Show Answer Correct Answer: A) Outer Tunic. 50. Which bloodvessel is blocked during a heart attack? A) Aorta. B) Coronary artery. C) Coronary vein. D) Pulmonary artery. Show Answer Correct Answer: B) Coronary artery. 51. The blood vessels that carry blood toward the heart are the A) Arteries. B) Arterioles. C) Veins. D) Capillaries. Show Answer Correct Answer: C) Veins. 52. Peristalsis refers to A) The action of the stomach. B) Heart rate increasing. C) One of the digestive organs. D) Smooth muscles moving food through the digestive system. Show Answer Correct Answer: D) Smooth muscles moving food through the digestive system. 53. Blood is made up of ....., ..... blood cells, ..... blood cells and cell fragments called ..... A) Arteries/veins/capillaries/atria. B) Plasma/red/white/platelets. Show Answer Correct Answer: B) Plasma/red/white/platelets. 54. Vessel responsible for transfer of oxygen and nutrient into the muscle and waste products out of the muscles. A) Arteries. B) Arterioles. C) Blood. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 55. The white blood cells A) The large arterial trunk that carries blood from the heart to be distributed by branch arteries through the body. B) NEED TO STUDY THIS ONE!!!!!!!!!!!. C) A blood cell that fights infection by destroying microscopic, disease causing organisms. D) Red blood cells that consists of a globin composed of four subunits each of which is linked to a heme molecule, that functions in oxygen transport. Show Answer Correct Answer: C) A blood cell that fights infection by destroying microscopic, disease causing organisms. 56. WBC that phagocytizes allergens and parasitic worms. A) Monocyte. B) Lymphocyte. C) Neutrophil. D) Eosinophil. Show Answer Correct Answer: D) Eosinophil. 57. Where is your blood made? A) Bones. B) Muscles. C) Heart. D) Stomach. Show Answer Correct Answer: A) Bones. 58. The two primary components of whole blood are: A) Serum and cells. B) Plasma and cells. C) Cells and dissolved proteins. D) Blood cells and cell fragments. Show Answer Correct Answer: B) Plasma and cells. 59. What units do we use to measure pulse rate? A) Beats per second. B) Beats per minute. C) Beats per hour. D) None of above. Show Answer Correct Answer: B) Beats per minute. 60. What is the purpose of the valves located in veins? A) To keep the vein open for blood to flow through. B) To keep blood flowing in one direction through the vein. C) To allow blood to flow in both directions within the vein. D) To allow the blood to flow back down to the lower parts of the body. Show Answer Correct Answer: B) To keep blood flowing in one direction through the vein. ← 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