This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 168 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 168 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following does NOT make up part of the lungs? A) Alveoli. B) Trachea. C) Bronchi. D) Bronchioles. Show Answer Correct Answer: B) Trachea. 2. The muscle responsible for pumping blood around the body is called ..... * A) The achilles. B) The papillary. C) The heart. D) The striated. Show Answer Correct Answer: C) The heart. 3. Veins carry blood containing carbon dioxide from the body back to the heart. A) True. B) False. Show Answer Correct Answer: A) True. 4. The left side of heart comprises of deoxygenated blood A) False. B) True. Show Answer Correct Answer: A) False. 5. It is the life support structure that nourishes your cells with nutrients from the food you eat and oxygen from the air you breathe. A) Respiratory System. B) Endocrine System. C) Nervous System. D) Circulatory System. Show Answer Correct Answer: D) Circulatory System. 6. Blood enters the heart in the ..... ? A) Aorta. B) Left Atrium. C) Right Atrium. D) Right Ventricle. Show Answer Correct Answer: C) Right Atrium. 7. The largest of lymphatic structure is the: A) Lymph nodes. B) Lymph vessels. C) Lymph. D) Spleen. Show Answer Correct Answer: D) Spleen. 8. Most of the time arteries carry ..... A) Snails. B) High oxygen blood. C) No oxygen blood. D) Low oxygen blood. Show Answer Correct Answer: B) High oxygen blood. 9. This artery is used when checking blood pressure A) Femoral artery. B) Carotid artery. C) Brachial artery. D) Temporal artery. Show Answer Correct Answer: C) Brachial artery. 10. Why do veins have valves? A) Because all blood vessels have valves. B) So that the blood doesn't travel too fast and burst the blood vessel. C) To stop the blood flowing backwards. D) It make the blood flow more efficient because the valves slow it down. Show Answer Correct Answer: C) To stop the blood flowing backwards. 11. What are the vessels that carry blood back to your heart? A) Arteries. B) Veins. Show Answer Correct Answer: B) Veins. 12. What is the function of the Ventricles? A) Oxygenate Blood. B) Receive Blood. C) Pump blood. D) Filter Blood. Show Answer Correct Answer: C) Pump blood. 13. What happens when the organs such as the nose, throat, voice box, wind pipe, and the lungs work together? A) They create the circulatory system. B) They create esophagus and trachea. C) When all of the organs work together they create the external organ known to be the nose. D) They help create the Respiratory System which then helps us to breathe. Show Answer Correct Answer: D) They help create the Respiratory System which then helps us to breathe. 14. The function of the circulatory system is to: A) Pump blood throughout the body. B) For movement. C) To digest food. D) None of above. Show Answer Correct Answer: A) Pump blood throughout the body. 15. The blood vessels that carry blood toward the heart. A) Capillaries. B) Veins. C) Arteries. D) Ventricles. Show Answer Correct Answer: B) Veins. 16. Process by which red blood cells are made A) Erythropoiesis. B) Erythrocytes (RBCs). C) Leukocytes (WBCs). D) Basophil. E) Basophil. Show Answer Correct Answer: A) Erythropoiesis. 17. What are the "branches" of hundreds of air tubes that branch off of the bronchi?At the end of these are the alveoli. A) Lungs. B) Arteries. C) Capillaries. D) Bronchioles. Show Answer Correct Answer: D) Bronchioles. 18. True or False:The left atrium receives blood full of oxygen from the lungs and then empties the blood into the left ventricle. A) True. B) False. Show Answer Correct Answer: A) True. 19. I am the smallest blood vessels. * A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 20. When you breathe out, intercoastal muscles relaxes. A) True. B) False. Show Answer Correct Answer: A) True. 21. Which part of the circulatory system is a muscle? A) Veins. B) Heart. C) Blood. D) None of above. Show Answer Correct Answer: B) Heart. 22. A hole in the wall between the right ad left atria A) Endocarditis. B) Heart murmur. C) Cardiomyopathy. D) Atrial septal defect. Show Answer Correct Answer: D) Atrial septal defect. 23. The anatomical name for the windpipe is the A) Epiglottis. B) Larynx. C) Pharynx. D) Trachea. Show Answer Correct Answer: D) Trachea. 24. What helps in clotting the blood A) White blood cells. B) Red blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: D) Platelets. 25. Pulmonary, coronary or systemic circulation? Circulation that supplies blood directly to the heart muscle. A) PULMONARY. B) SYSTEMIC. C) CORONARY. D) None of above. Show Answer Correct Answer: C) CORONARY. 26. The "heartstrings" of the heart are also known as A) Semilunar valves. B) Those things that make your heart skip a beat when your bf / gf does something sweet. C) Atrioventricular valves. D) Portal valves. Show Answer Correct Answer: C) Atrioventricular valves. 27. About how many times does the heart beat during an average life time? A) 3 billion. B) 3, 000. C) 60, 000. D) 300, 000. Show Answer Correct Answer: A) 3 billion. 28. If you are not getting enough oxygen on your own, your brain can take over (using the brain stem, etc.). This is called ..... A) Hyperventilating. B) Fainting. Show Answer Correct Answer: B) Fainting. 29. What heart chambers recieve the blood when it enters to the heart? A) Atria. B) Ventricles. C) Both. D) None of above. Show Answer Correct Answer: A) Atria. 30. What is inflammation of the heart muscle? A) Pericarditis. B) Endocarditis. C) Myocarditis. D) None of above. Show Answer Correct Answer: C) Myocarditis. 31. The part of the circulatory system that delivers blood to the body's cells is called: A) Ventricular. B) Cardiac. C) Pulmonary. D) Systemic. Show Answer Correct Answer: D) Systemic. 32. It is the exerted pressure on the inner walls of the blood vessels. A) Blood pressure. B) Hypertension. Show Answer Correct Answer: A) Blood pressure. 33. The part of the bone that is rigid and dense. A) Spongy Bone. B) Joint. C) Red bone marrow. D) Compact bone. Show Answer Correct Answer: D) Compact bone. 34. A negative test for protein will cause Biuret to stay ..... A) Blue. B) Brick red. C) Orange. D) Black. Show Answer Correct Answer: A) Blue. 35. The ..... is/are responsible for the transportation of oxygen and carbon dioxide. A) Platelets. B) White blood cells. C) Red blood cells. D) Plasma. Show Answer Correct Answer: C) Red blood cells. 36. Describe what happens in the heart during systole? A) The heart pumps blood from the arteries into the ventricles. B) The heart relaxes and fills with blood from the atria. C) The heart stops beating during systole. D) The heart contracts and pumps blood out of the ventricles into the arteries. Show Answer Correct Answer: D) The heart contracts and pumps blood out of the ventricles into the arteries. 37. The heart lies along the ..... line of your chest and the lungs are ..... to it. A) Medial:Inferior. B) Lateral:Medial. C) Inferior:Superior. D) Medial:Lateral. Show Answer Correct Answer: D) Medial:Lateral. 38. The heart valves keep blood flowing in the correct direction. A) True. B) False. Show Answer Correct Answer: A) True. 39. What is the primary function of capillaries in the human body? A) To pump blood throughout the body. B) To facilitate gas exchange between blood and body cells. C) To filter blood. D) To produce red blood cells. Show Answer Correct Answer: B) To facilitate gas exchange between blood and body cells. 40. ..... makes a digestive juice called bile that helps digest fats and some vitamins. A) Liver. B) Esophagus. C) Stomach. D) Pancreas. Show Answer Correct Answer: A) Liver. 41. It involves the removal and examination of a small piece of tissue from the body. A) The biopsy. B) Oscilloscopy. Show Answer Correct Answer: A) The biopsy. 42. Help fight diseases by making antibodies A) Veins. B) White Blood Cells. C) Arteries. D) Red Blood Cells tags7.12B. Show Answer Correct Answer: B) White Blood Cells. 43. When blood returns to the heart from the body, it comes to A) The right ventricle. B) The right atria. C) The left atria. D) The left ventricle. Show Answer Correct Answer: B) The right atria. 44. Which carries blood away from the heart and is under high pressure? A) Artery. B) Capillary. C) Vein. D) None of above. Show Answer Correct Answer: A) Artery. 45. The circulatory system includes the blood, the heart, and these A) Blood vessels. B) Muscles. C) Tissues. D) Bones. Show Answer Correct Answer: A) Blood vessels. 46. Which type of blood vessels are very narrow and exchange material with the body cells? A) Valves. B) Veins. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 47. Which is more dangerous-an arterial bleed or a veinous bleed? A) Veinous. B) Arterial. Show Answer Correct Answer: B) Arterial. 48. Which blood vessel is one cell thick? A) Artery. B) Capillary. C) Vein. D) Alveoli. Show Answer Correct Answer: B) Capillary. 49. The skinniest blood vessels in the body that allow cells to get the oxygen they need A) Arteriole. B) Capillary. C) Venule. D) The black. Show Answer Correct Answer: B) Capillary. 50. Mature RBCs have nucleus. True or False? A) False. B) True. Show Answer Correct Answer: A) False. 51. Which neuron carries nerve impulses from tissues and organs to the spinal cord and brain? A) Interneurons. B) Impulse neurons. C) Sensory neurons. D) Motor neurons. Show Answer Correct Answer: C) Sensory neurons. 52. Platelets release the protein A) Fibrin. B) Globulin. C) Hemoglobin. D) Insulin. Show Answer Correct Answer: A) Fibrin. 53. ..... circulation is seen in Human beings. A) Single is a single ring. B) Double double ring. C) Triple is a triple ring. D) None of the above. Show Answer Correct Answer: B) Double double ring. 54. The means of transportation in our body is ..... A) Oxygen. B) Blood. C) Carbon dioxide. D) All three are wrong. Show Answer Correct Answer: B) Blood. 55. What does the heart circulate throughout the body? A) Water. B) Blood. C) Muscle. D) Carbon dioxide. Show Answer Correct Answer: B) Blood. 56. The circulation of blood between the heart and lungs is known as: A) Portal circulation. B) Pulmonary circulation. C) Coronary circulation. D) Systemic circulation. Show Answer Correct Answer: B) Pulmonary circulation. 57. Which chamber of the heart fills with deoxygenated blood from the body? A) Left ventricle. B) Pulmonary veins. C) Right ventricle. D) Right atrium. E) Left atrium. Show Answer Correct Answer: D) Right atrium. 58. Which blood cells carry the oxygen to the rest of the body and carbon dioxide to the lungs? A) Yellow Blood Cells. B) Red Blood Cells. C) White Blood Cells. D) Blue Blood Cells. Show Answer Correct Answer: B) Red Blood Cells. 59. The shape of RBC is? A) Triconcave. B) Triconvex. C) Biconvex. D) Biconcave. Show Answer Correct Answer: D) Biconcave. 60. The bottom part of the heart is divided into two chambers called what? A) Atria. B) Ventricles. Show Answer Correct Answer: B) Ventricles. ← 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