This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 85 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 85 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The top two heart chambers are called ..... A) Ventricles. B) Atria. Show Answer Correct Answer: B) Atria. 2. What is the function of bone marrow? A) To produce more blood cells. B) To produce plasma. C) To produce bone. D) To produce blood vessels. Show Answer Correct Answer: A) To produce more blood cells. 3. The pulmonary circulation means the blood from right ventricle will pumps to the lungs. A) False. B) True. Show Answer Correct Answer: B) True. 4. A class was studying human body systems. The students learned about a system that moved oxygen to the cells and contained structures that help the body fight infections.The class was studying the- A) Muscular System. B) Circulatory System. C) Respiratory System. D) Integumentary System. Show Answer Correct Answer: B) Circulatory System. 5. What are the tiny blood vessels that exchange materials with organs? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 6. .The stethoscope is used to check the ..... A) Glucose level. B) Heart beat. C) Pulse rate. D) None of above. Show Answer Correct Answer: B) Heart beat. 7. What is the name of the muscular organ that acts like a pump and helps circulate blood throughout the body? A) Lungs. B) Heart. C) Liver. D) Brain. Show Answer Correct Answer: B) Heart. 8. Basophils overcome..... A) Anything. B) Allergy. C) Worm. D) Bacterial infections (specific). Show Answer Correct Answer: B) Allergy. 9. What is nicknamed the 'Transportation Highway' of your body? A) The digestive system. B) The circulatory system. C) The respiratory system. D) The nervous system. Show Answer Correct Answer: B) The circulatory system. 10. Which is true about the heart? A) Four valves. B) Three veins. C) Two arteries. D) All of the above. Show Answer Correct Answer: A) Four valves. 11. Blood leaves the heart traveling at about 16 inches per second but slows to 0.02 inches per second in the capillaries. Why? A) The blood is inside an older person so it doesn't pump as well. B) It slows down because it is running out of oxygen. C) The blood slows down because the person is exercising. D) The blood slows down because it is flowing from large arteries to very tiny capillaries. Show Answer Correct Answer: D) The blood slows down because it is flowing from large arteries to very tiny capillaries. 12. Openings that pull air from outside your body into your respiratory system. A) Sinuses. B) Mouth and nose. C) Bronchial tubes. D) Lungs. Show Answer Correct Answer: B) Mouth and nose. 13. What does the sistemic circulation bring? A) Oxygen. B) Carbon dioxide. C) Vessels. D) All of them. Show Answer Correct Answer: A) Oxygen. 14. Large vein carrying deoxygenated blood back to the heart. A) Vena cava. B) Pulmonary vein. C) Blood vessels. D) Aorta. Show Answer Correct Answer: A) Vena cava. 15. What part of the heart delivers oxygenated blood to the heart? A) Aorta. B) Pulmonary Vein. C) Pulmonary artery. D) Tricuspid Valve. Show Answer Correct Answer: B) Pulmonary Vein. 16. Blood that rich in oxygen are bright red because it contains ..... A) Hemodialysis. B) Hemostatic. C) Hemophilia. D) Hemoglobin. Show Answer Correct Answer: D) Hemoglobin. 17. What is our maximum heart rate? A) 60-120. B) 220. C) 180. D) 40-60. Show Answer Correct Answer: B) 220. 18. The red blood cells carry this gas to every cell in the body A) Membrane. B) Carbon dioxide. C) Gas. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 19. Monocytes are cells that A) Are chemically attracted to the site of inflammation. B) Are crucial in defense against viruses, parasites and chronic infections. C) Acts like a vasodilator and attracts other cells to that site. D) Facilitate the flow of oxygen through the cells. Show Answer Correct Answer: B) Are crucial in defense against viruses, parasites and chronic infections. 20. Amphibians have ..... circulatory system A) Complete double. B) Incomplete single. C) Incomplete double. D) Complete single. Show Answer Correct Answer: C) Incomplete double. 21. The respiratory system begins in the A) Diaphragm. B) Lungs. C) Nose and mouth. D) Pharynx. Show Answer Correct Answer: C) Nose and mouth. 22. Normal WBC count in a human is what per cubic millimeter? A) 1, 000-2, 500. B) 12, 500-20, 000. C) 100, 000-150, 000. D) 5, 000-10, 000. Show Answer Correct Answer: D) 5, 000-10, 000. 23. This blood vessel transport blood AWAY from the heart. A) Vein. B) Capillary. C) Artery. D) Duct. Show Answer Correct Answer: C) Artery. 24. Normal blood pressure is 120/80. What is it called when your blood pressure is higher than that? A) Hypertension. B) Heart Failure. C) Anemia. D) Hemophilia. Show Answer Correct Answer: A) Hypertension. 25. Tissue made up of cells and pieces of cells carried in aliquid; transported throughout the body by the circulatorysystem A) Blood. B) Heart. C) Capillaries. D) Plasma. Show Answer Correct Answer: A) Blood. 26. What does a T wave represent? A) Atria contract. B) Ventricles contract. C) Ventricles relax and reset. D) None of above. Show Answer Correct Answer: C) Ventricles relax and reset. 27. True or False:Arteries keep a steady blood pressure due to their elastic quality. This keeps the pulsation smooth and is caused by the pumping of the heart. A) True. B) False. Show Answer Correct Answer: A) True. 28. First step in the two-step heart beat process A) Diastole. B) Atherosclerosis. C) Atherosclerosis. D) Arteriosclerosis. E) Blood pressure. Show Answer Correct Answer: A) Diastole. 29. A fast pulse is also called ..... A) Tachypnea. B) Tachycardia. C) Bradycardia. D) Bradypnea. Show Answer Correct Answer: B) Tachycardia. 30. Which organ system primarily help the muscular system to provide movement of the body? A) Skeletal system. B) Respiratory system. C) Integumentary system. D) Lymphatic system. Show Answer Correct Answer: A) Skeletal system. 31. After the ventricles squeeze the blood into the arteries, these valves close to stop blood flowing back into the ventricles. A) Aortic, pulmonary. B) Tricuspid, aortic. C) Tricuspid, mitral. D) Aortic, mitral. Show Answer Correct Answer: A) Aortic, pulmonary. 32. Impure blood is carried by ..... A) Blood vessels. B) Arteries. C) Heart. D) Veins. Show Answer Correct Answer: D) Veins. 33. Red blood cells give ..... and ..... to blood. A) Oxygen. B) Red colour and oxygen. C) Red colour. D) None of above. Show Answer Correct Answer: B) Red colour and oxygen. 34. What is the flap of tissue that prevents food or water from entering the airway? A) Esophagus. B) Pharynx. C) Epiglottis. D) Peristalsis. Show Answer Correct Answer: C) Epiglottis. 35. Small bodies that play arole in blood coagulation when the body is wounded A) White blood cells. B) Plasma. C) Blood platelets. D) Red blood cells. Show Answer Correct Answer: C) Blood platelets. 36. The liver also produces nutrients and waste which are carried to other parts of the body. A) False. B) True. Show Answer Correct Answer: B) True. 37. Which valve controls blood flow from the Right Ventricle to the Lungs A) Aortic Semilunar Valve. B) There is no valve, blood just flows right in. C) Pulmonary Semilunar Valve. D) Bicuspid. E) Tricuspid. Show Answer Correct Answer: C) Pulmonary Semilunar Valve. 38. Why do chordates need a circulatory system that completely removes mixing of deoxygenated and oxygenated blood? A) Aquatic. B) Endotherms, high metabolism. C) Ectotherms, energy changes with the temperature of the environment. D) None of above. Show Answer Correct Answer: B) Endotherms, high metabolism. 39. Important organ of the circulatory system is ..... A) Kidney. B) Stomach. C) Heart. D) Lungs. Show Answer Correct Answer: C) Heart. 40. The blood group AB is a- A) Universal Donor. B) Universal Recipient. C) Both of the above. D) None of the above. Show Answer Correct Answer: B) Universal Recipient. 41. Why is it important to have a healthy circulatory system? A) To improve muscle strength. B) To ensure proper blood flow to all body parts. C) To increase brain size. D) To make the skin glow. Show Answer Correct Answer: B) To ensure proper blood flow to all body parts. 42. Blood clot in the brain A) Diabetes. B) Hypertension. C) Heart attack. D) Stroke. Show Answer Correct Answer: D) Stroke. 43. What happens to the blood every time the heart beats? A) Pumps the blood. B) It helps the body fight infection. C) It goes in two different directions. D) Creates tiny pieces of blood cells inside the membranes. Show Answer Correct Answer: C) It goes in two different directions. 44. What type of antigens can be found if someone has blood type A? A) A. B) B. C) A and B. D) None. Show Answer Correct Answer: A) A. 45. ..... carry blood that needs oxygen back to the heart. A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: C) Veins. 46. Blood vessels that carry blood to the heart. A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 47. ..... help to fight against germs and protect the body from infections. A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: C) White blood cells. 48. The ..... carries air to the left and right bronchus. A) Esophagus. B) Trachea. C) Bronchioles. D) Alveoli. Show Answer Correct Answer: B) Trachea. 49. What does the digestive system do? A) Brings in oxygen. B) Gets rid of carbon dioxide. C) Absorbs glucose from food. D) None of the above. Show Answer Correct Answer: C) Absorbs glucose from food. 50. A fluid in the body that delivers oxygen and other materials to cells and removes carbon dioxide and other wastes. A) Mucus. B) Chyme. C) Blood. D) Lymph. Show Answer Correct Answer: C) Blood. 51. Which is the first step involved in the loss of blood? A) Forming a Fibrin Clot. B) Fibrinolysis. C) Platelet Plug Formation. D) Vasoconstriction. Show Answer Correct Answer: D) Vasoconstriction. 52. Normal blood pressure for an adult is A) 110-140 over 60-90 mm Hg. B) Less than 120/80 mm Hg. C) 70-80 beats/min. D) 120/80 mm Hg or higher. Show Answer Correct Answer: B) Less than 120/80 mm Hg. 53. The right side of the heart contains blood rich in ..... A) Oxygen gas. B) Carbon dioxide gas. Show Answer Correct Answer: B) Carbon dioxide gas. 54. The ventricles are the: A) Upper chambers of the heart. B) Lower chambers of the heart. Show Answer Correct Answer: B) Lower chambers of the heart. 55. The nostrils, larynx, and trachea are all made primarily of: A) Bone. B) Cartilage. C) Muscle. D) Tendons. Show Answer Correct Answer: B) Cartilage. 56. When the ventricles contract, blood is pumped A) Through the septum. B) Into the veins. C) Into the heart. D) Out of the heart. Show Answer Correct Answer: D) Out of the heart. 57. Which type of blood vessel carries oxygenated blood away from the heart to the body's tissues? A) Veins. B) Arteries. C) Aorta. D) Capillaries. Show Answer Correct Answer: B) Arteries. 58. Chewing, grinding, and churning are examples of ..... A) Mechanical digestion. B) Chemical digestion. Show Answer Correct Answer: A) Mechanical digestion. 59. Which side of the heart receives low oxygen blood from the superior and inferior vena cava? A) Left side. B) Right side. Show Answer Correct Answer: B) Right side. 60. From which chamber of the heart does blood leave to go to the lungs? A) Upper ventricle. B) Left ventricle. C) Lower ventricle. D) Right ventricle. Show Answer Correct Answer: D) Right ventricle. ← 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