This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 157 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 157 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. True or False:The cardiovascular system delivers oxygen for muscle energy. A) True. B) False. Show Answer Correct Answer: A) True. 2. Transportation of substances occurs by simple processes unicellular organisms. A) Osmosis. B) Diffusion. C) Both. D) Circulation. Show Answer Correct Answer: C) Both. 3. As blood travels from arteries to veins, A) Pressure builds. B) Viscosity increases. C) Pressure drops. D) Diameter of the blood vessels gets progressively smaller. Show Answer Correct Answer: C) Pressure drops. 4. The blood system is often known as the "double circulation" system. Why is this? A) The blood carries two vital materials. B) There are actually two parts to the heart. C) The system is divided into two separate circuits. D) The blood flows in two directions. Show Answer Correct Answer: C) The system is divided into two separate circuits. 5. The two chambers of the heart with thin walls that collect blood from the major veins and empty it into the larger, more muscular chambers. A) Atria. B) Aorta. C) Lungs. D) Ventricles. Show Answer Correct Answer: A) Atria. 6. In an open circulatory system the blood stays in the blood vessels and exchange of materials occur as the walls to the blood vessels are very thin A) False. B) True. Show Answer Correct Answer: A) False. 7. The part of the blood that carries oxygen to the cells and takes carbon dioxide back to the lungs A) White blood cells. B) Ventricles. C) Capillaries. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 8. These are the smallest of our blood cells and can only be seen under a microscope. A) Platelets. B) Plasma. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: A) Platelets. 9. Which of the following is the largest artery in the body? A) Pulmonary artery. B) Pulmonary veins. C) Aorta. D) Vena cava. Show Answer Correct Answer: C) Aorta. 10. The ..... is the dome shaped muscle below the lungs A) Diaphragm. B) Trachea. C) Alveoli. D) Rib. Show Answer Correct Answer: A) Diaphragm. 11. The blood cells that fight infection are the ..... A) Platelets. B) Leukocytes. C) Erythrocytes. D) Thrombocytes. Show Answer Correct Answer: B) Leukocytes. 12. Compared with those of the systemic circulation, arteries of the pulmonary circulation: A) Have lower blood pressure. B) Have less elastic tissue. C) Carry blood that contains less oxygen. D) All of them. Show Answer Correct Answer: D) All of them. 13. Which of the following statements is NOT true about the function of the blood? A) It transports water, oxygen, nutrients, salts, hormones, and other substances that sustain life. B) It is the liquid medium that is constantly flowing throughout the body. C) It removes waste products of metabolism from the different parts of the body. D) It makes our skin reddish in color. Show Answer Correct Answer: D) It makes our skin reddish in color. 14. Main parts include:brain, spinal cord, nerves A) Circulatory system. B) Nervous system. C) Muscular system. D) Circulatory/cardiovascular system. Show Answer Correct Answer: B) Nervous system. 15. Veins get smaller when they get closer to the heart. A) True. B) False. Show Answer Correct Answer: B) False. 16. Which of the following is an example of non-circulating fluid in our body? A) Blood. B) Lymph. C) Synovial fluid. D) None of above. Show Answer Correct Answer: C) Synovial fluid. 17. What is the meaning of "cells" ? A) Cells. B) Cell phones. C) Clavicles. D) None of above. Show Answer Correct Answer: A) Cells. 18. What is the muscular organ that pumps blood throughout the body? A) Lungs. B) Heart. C) Stomach. D) Liver. Show Answer Correct Answer: B) Heart. 19. The ..... are where the oxygen and nutrients are picked up by the blood A) Alveoli. B) Lungs. C) Blood vessels. D) Veins. Show Answer Correct Answer: B) Lungs. 20. Why do arteries have to be thicker and stronger than veins? A) They aren't. B) Arteries are longer. C) Arteries carry blood with oxygen. D) Blood pressure is higher in arteries. Show Answer Correct Answer: D) Blood pressure is higher in arteries. 21. What causes the "lub-dub" sounds of the heartbeat? A) Pressure as the ventricles contract. B) A-V valves opening. C) Relaxation of the atria. D) Alternating closing of A-V and semilunar valves. Show Answer Correct Answer: D) Alternating closing of A-V and semilunar valves. 22. What helps keep fluid from leaking out of blood vessels? A) Antibodies. B) Albumin. C) Aglobin. D) None of above. Show Answer Correct Answer: B) Albumin. 23. The upper receiving chambers of the heart are called A) Pulmonary. B) Ventricles. C) Atria. D) Coronary. Show Answer Correct Answer: C) Atria. 24. ..... are muscular, thick-waled, and elastic blood vessels. They carry blood away from the heart to the different part of the body. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 25. What blood type is the universal receiver? A) O. B) B. C) AB. D) A. Show Answer Correct Answer: C) AB. 26. ..... are structures that close to prevent blood from going backwards. A) Veins. B) Arteries. C) Valves. D) Ventricles. Show Answer Correct Answer: C) Valves. 27. Valve between the left atrium and the left ventricle. A) Mitral valve. B) Pulmonary valve. C) Aortic valve. D) Tricuspid valve. Show Answer Correct Answer: A) Mitral valve. 28. When the heart beats, the right atrium squeezes blood down the right side of the heart A) Lungs. B) Left ventricle. C) Heart. D) Right ventricle. Show Answer Correct Answer: D) Right ventricle. 29. To hold back; block A) Amble/O. B) Thromb/o. C) Scler/o. D) Ish/o. Show Answer Correct Answer: D) Ish/o. 30. What type of blood vessel is the site of gas exchange where the exchange of gases, nutrients, and wastes occurs? A) Capillary. B) Artery. C) Vein. D) Pulse. Show Answer Correct Answer: A) Capillary. 31. The heart valve consists of 2 leaflets and is located between the atrium and the left ventricle, namely..... A) Bicuspid atrioventricular valve. B) Pulmonary semilunar valve. C) Tricuspid atrioventricular valve. D) Aortic semilunar valve. Show Answer Correct Answer: A) Bicuspid atrioventricular valve. 32. The smallest blod vessel is ..... A) Venous. B) Capillary. C) Artery. D) Arterioles. Show Answer Correct Answer: B) Capillary. 33. The movement of blood throughout the body. A) Heart. B) Artery. C) Vein. D) Circulation. Show Answer Correct Answer: D) Circulation. 34. How to take care? A) Hydrate. B) Do not smoke. C) Consume vitamin D. D) None of above. Show Answer Correct Answer: B) Do not smoke. 35. Capillaries merge together to make these vessels before heading back to the heart. * A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: C) Veins. 36. Which circulatory disorder indicates an underlying coronary artery condition? A) Angina pectoris. B) TIA. C) CVA. D) Pulmonary edema. Show Answer Correct Answer: A) Angina pectoris. 37. The pulse rate is a measurement of the heart rate, or the number of times the heart beats per minute. A) True. B) False. Show Answer Correct Answer: A) True. 38. Which blood group is considered the universal donor? A) O+. B) A+. C) AB+. D) B+. Show Answer Correct Answer: A) O+. 39. What is the function of a platelet? A) Hydrate the body. B) Carry oxygen. C) Blood clotting. D) Fight diseases. Show Answer Correct Answer: C) Blood clotting. 40. These help stop bleeding, and are attached to blood cells A) White Blood Cells. B) Platelets. C) White Blood Cells. D) Red Blood Cells. Show Answer Correct Answer: B) Platelets. 41. Which of the following statement is not true about PLASMA? A) Plasma is a straw coloured, viscous fluid constituting nearly 55% of the blood. B) Fibrinogen, globulins and albumins are the major proteins. C) 45% of plasma is water, Protein contribute 15-18 %. D) Factors for coagulation of blood are present in the plasma in an inactive form. Show Answer Correct Answer: C) 45% of plasma is water, Protein contribute 15-18 %. 42. Universe blood type recipient A) A. B) O. C) B. D) AB. Show Answer Correct Answer: D) AB. 43. It is the thickest of the heart's chambers and its responsible for pumping oxygenated blood to the tissues all over the body. A) Left Ventricle. B) Right Ventricle. C) Left Atrium. D) Right Atrium. Show Answer Correct Answer: A) Left Ventricle. 44. Only vein carrying oxygenated blood A) Pulmonary vein. B) Aorta. C) Cephalic. D) None of above. Show Answer Correct Answer: A) Pulmonary vein. 45. Plasma is approximately 75% water with many suspended substances. A) True. B) False. Show Answer Correct Answer: B) False. 46. These are organs that support the body, store minerals, and allow movement A) Cartilage. B) Tissue. C) Joints. D) Bones. Show Answer Correct Answer: D) Bones. 47. What am I? I connect the capillaries to the veins A) Arteriole. B) Venule. Show Answer Correct Answer: B) Venule. 48. This element of the blood helps your blood clot. A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 49. If venous return decreases, A) Exercise decreases. B) Energy decreases. C) Stroke volume decreases. D) Concentration decreases. Show Answer Correct Answer: C) Stroke volume decreases. 50. Which heart chamber receives blood from the lungs? A) Right atrium. B) Left ventricle. C) Right ventricle. D) Left atrium. Show Answer Correct Answer: D) Left atrium. 51. This helps clot blood A) Red blood cells. B) White blood cells. C) Oxygen. D) Platelets. Show Answer Correct Answer: D) Platelets. 52. The top layer of the skin is called the ..... A) Dermis. B) Oil gland. C) Nerve. D) Epidermis. Show Answer Correct Answer: D) Epidermis. 53. What part of this system pumps the oxygen-poor blood through the pulmonary valve to the lungs? A) Right ventricle. B) Left atrium. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: A) Right ventricle. 54. Why is AB blood type unique? A) Doesn't have any A nor B antigens on the RBC's. B) Doesn't produce A nor B antigens. C) Doesn't produce A nor B antibodies. D) Can only have RH antigens. Show Answer Correct Answer: C) Doesn't produce A nor B antibodies. 55. On a diagram of the heart, red typically indicates oxygenated blood. A) False. B) . C) True. D) . Show Answer Correct Answer: C) True. 56. Blood vessels that generally carry blood back to the heart. A) Arteries and Arterioles. B) Veins and Venules. C) Veins and Arteries. D) Venules and arterioles. Show Answer Correct Answer: B) Veins and Venules. 57. The superior vena cava A) Is an artery. B) Brings blood away from the heart. C) Brings blood towards the heart. D) Is part of the pulmonary circuit. Show Answer Correct Answer: C) Brings blood towards the heart. 58. These blood vessels are responsible for carrying deoxygenated blood TOWARD the heart. A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 59. Bone cells need nutrients. Which two systems get nutrients to bone cells? A) The digestive system and the circulatory system. B) The circulatory system and the respiratory system. C) The respiratory system and the skeletal system. D) The skeletal system and the digestive system. Show Answer Correct Answer: A) The digestive system and the circulatory system. 60. The muscle in the heart is called: A) Aorta. B) Septum. C) Systole. D) Myocardium. Show Answer Correct Answer: D) Myocardium. ← 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