This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 41 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What blood vessel carries Oxygenated blood from the heart to the body? A) Pulmonary Arteries. B) Pulmonary Veins. C) Aorta. D) Superior and Inferior Vena Cava. Show Answer Correct Answer: C) Aorta. 2. Wall of the heart made up mostly of cardiac muscle A) Endocardium. B) Epicardium. C) Myocardium. D) Pericardium. Show Answer Correct Answer: C) Myocardium. 3. What does the P wave represent in the electrocardiogram? A) Interval between ventricle depolarization and ventricle repolarization. B) Ventricle depolarization. C) Delay between atrial depolarization and ventricle depolarization. D) Atrial depolarization. Show Answer Correct Answer: D) Atrial depolarization. 4. The ..... is the lymph node present in the side of the neck. A) Thyroid. B) Appendix. C) Goitre. D) Tonsils. Show Answer Correct Answer: D) Tonsils. 5. The other components of the food which are not needed by the body goes out in the ..... A) Immune System. B) Digestive System. C) Integumentary System. D) Excretory System. Show Answer Correct Answer: D) Excretory System. 6. Where are the electrical signals for the conduction process created? A) AV Node. B) Purkinje Fibres. C) Bundles of His. D) Because of the difference. Show Answer Correct Answer: D) Because of the difference. 7. Our heart is made up of heart MUSCLES which allow it to pump blood continously to all parts of our body. A) True. B) False. Show Answer Correct Answer: A) True. 8. Atria Contract.2.Bicuspid & Tricuspid valves open and blood flows into the ventricles. Which phase of the heartbeat is this? A) Diastole. B) Atrial Systole. C) Ventricular Systole. D) None of above. Show Answer Correct Answer: B) Atrial Systole. 9. It is the SMALLEST blood vessel in our body. A) Duct. B) Vein. C) Capillary. D) Artery. Show Answer Correct Answer: C) Capillary. 10. Waste carried by the blood includes dead blood cells. A) True. B) False. Show Answer Correct Answer: A) True. 11. The function of thrombocytes is to? A) Carry oxygen. B) Carry carbon dioxide. C) Aid in the clotting process. D) Fight infections. Show Answer Correct Answer: C) Aid in the clotting process. 12. At the vein end of a capillary, the blood pressure is ..... A) Higher, forcing fluids and small molecules out. B) Lower, drawing fluids and wastes in. Show Answer Correct Answer: B) Lower, drawing fluids and wastes in. 13. Vessels that allow oxygen and nutrients to pass through to cells are? A) Arteries. B) Blood proteins. C) Capillaries. D) Arterioles. Show Answer Correct Answer: C) Capillaries. 14. What is the function of blood vessels? A) Pumps blood to the lungs and the whole body. B) Exchange of oxygen and carbon dioxide. C) Transport blood to the whole body. D) None of above. Show Answer Correct Answer: C) Transport blood to the whole body. 15. When taking blood pressure this is the highest pressure against blood vessels. A) Hyperstension. B) Systolic pressure. C) Hypotension. D) Diastolic pressure. Show Answer Correct Answer: B) Systolic pressure. 16. Can a person survive a heart attack? A) No. B) Yes. Show Answer Correct Answer: B) Yes. 17. Which of the following is NOT one of the chambers of the heart A) Aorta. B) Left Atrium. C) Left Ventricle. D) Right Atrium. Show Answer Correct Answer: A) Aorta. 18. The function of an artery is to: A) Carry blood away from the heart. B) Where materials are exchanged between arteries and veins. C) Carries deoxygenated blood toward the heart. D) None of above. Show Answer Correct Answer: A) Carry blood away from the heart. 19. Which best describes a function of the circulatory system? A) Transport Blood. B) Provide Oxygen. C) Help the body move. D) None of above. Show Answer Correct Answer: A) Transport Blood. 20. The heart is about the size of a fist. A) False. B) True. Show Answer Correct Answer: B) True. 21. A cluster of air sacs in the lungs is called a(n) ..... A) Alveolus. B) Bronchiole. C) Aorta. D) Septum. Show Answer Correct Answer: A) Alveolus. 22. Which blood vessel has valves that prevent blood from moving in the wrong direction? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 23. Which of the following best describes red blood cells? A) A yellow liquid that carries cells, carbon dioxide & soluble food molecules. B) Cells that fight disease by ingesting pathogens & making antibodies. C) Cells that help blood to clot & help form a scab over a cut. D) Cells packed with haemoglobin that carries oxygen. Show Answer Correct Answer: D) Cells packed with haemoglobin that carries oxygen. 24. What heart chamber sends deoxygenated blood into the pulmonary artery? A) Left atrium. B) Left ventricle. C) Right ventricle. D) Right atrium. Show Answer Correct Answer: C) Right ventricle. 25. True or FalseExcept for the pulmonary artery, all arteries transport oxygen rich blood from veins. A) True. B) False. Show Answer Correct Answer: A) True. 26. "There is no nucleus. Created from bone marrow and lasts 7-10 days." What does it mean? A) Platelets. B) Blood or plasma. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: A) Platelets. 27. Why does the blood travel to the digestive system? A) To stop you from having gas. B) To collect nutrients from the food you have eaten. C) To see how much food is in your stomach. D) To carry waste from your liver. Show Answer Correct Answer: B) To collect nutrients from the food you have eaten. 28. True or false:white blood cells are large than red blood cells? A) False. B) True. Show Answer Correct Answer: B) True. 29. Renal circulation refers to blood carried to and away from the? A) Kidneys. B) Lungs. C) Arms. D) Head. E) Thighs. Show Answer Correct Answer: A) Kidneys. 30. State the type of antigen found in individual with blood group AB. A) Antigen A. B) Antigen B. C) Antigen A and Antigen B. D) None. Show Answer Correct Answer: C) Antigen A and Antigen B. 31. Which vessel carries deoxygenated blood from the lower half of the body to the right atrium? A) Pulmonary vein. B) Inferior vena cava. C) Aorta. D) Pulmonary artery. Show Answer Correct Answer: B) Inferior vena cava. 32. The covering that keeps the heart from rubbing against your lungs and chest wall is the A) Pericardium. B) Diaphragm. C) Sternum. D) Duodenum. Show Answer Correct Answer: A) Pericardium. 33. Divides the right and left chambers of the heart A) Septum. B) Superior vena cava. C) Pericardium. D) Inferior vena cava. Show Answer Correct Answer: A) Septum. 34. Function of right ventricle A) To move water. B) No function. C) Blood travels through the bicuspid valve. D) Blood travels from the right atrium through the tricuspid valve. Show Answer Correct Answer: D) Blood travels from the right atrium through the tricuspid valve. 35. On average, most humans have ..... L of blood in their body. A) 4-5. B) 7-8. C) 5-6. D) None of above. Show Answer Correct Answer: C) 5-6. 36. All of the following are examples of hinge joints except ..... A) Knee. B) Shoulder. C) Elbow. D) None of above. Show Answer Correct Answer: B) Shoulder. 37. In which stage of cardiac cycle, the sound lub arises? At any stage of the heartbeat, a sound called a lub occurs. A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: C) 3. 38. Which antigens are present on the surface of the red blood cells of a person with Type O blood? A) A. B) B. C) Both A and B. D) None of these. Show Answer Correct Answer: D) None of these. 39. Which type of blood vessels have valves to prevent the backflow of blood? A) Capillaries. B) Veins. C) Venules. D) Arteries. Show Answer Correct Answer: B) Veins. 40. What system works with the respiratory to cause air to move in and out of lungs? A) Digestive. B) Skeletal. C) Muscular. D) Nervous. Show Answer Correct Answer: C) Muscular. 41. What structures in the body look for and mark "invaders?" A) Platelets. B) Antibodies. C) Antigens. D) Red blood cells. Show Answer Correct Answer: B) Antibodies. 42. Phagocytosis means, "cell ..... ". A) Bursting. B) Drinking. C) Eating. D) Shrinking. Show Answer Correct Answer: C) Eating. 43. Which type of blood vessel has a pulse '? A) Veins. B) Arteries. C) Capillaries. D) Vena cava. Show Answer Correct Answer: B) Arteries. 44. What are the three kinds of blood vessels in the human body? A) Veins, Capillaries and Vena Cava. B) Veins, Aorta, and Vena Cavas. C) Aorta, Capillaries and Veins. D) Capillaries, Veins and Arteries. Show Answer Correct Answer: D) Capillaries, Veins and Arteries. 45. French Physician who proposed Stethescope is ..... A) Willium Harvey. B) Rene Laennec. C) Both. D) None. Show Answer Correct Answer: B) Rene Laennec. 46. Pre-Capillary Sphincters are responsible for what? A) Opening and closing capillaries helping directing blood to certain areas of the body. B) Cardiac Arrest. C) Arteries have thick muscular walls. D) Veins have valves. Show Answer Correct Answer: A) Opening and closing capillaries helping directing blood to certain areas of the body. 47. Why is the circulatory system inportent? A) Because it moves your blood through your body. B) Because it helps you eat. C) Because it helps you breath. D) None of above. Show Answer Correct Answer: A) Because it moves your blood through your body. 48. During ..... circulation, blood leaves the heart oxygenated and returns deoxygenated. A) Systemic. B) Pulmonary. C) Intestinal. D) Formal. Show Answer Correct Answer: A) Systemic. 49. Which type of blood vessel has the thickest layer of smooth muscle in its walls? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 50. What is the main job of the red corpuscles in the blood? A) To clot blood. B) To fight disease. C) To transport oxygen to the body's cells and carry away carbon dioxide from the cells. D) To transport carbon dioxide to the body's cells and carry away oxygen from the cells. Show Answer Correct Answer: C) To transport oxygen to the body's cells and carry away carbon dioxide from the cells. 51. Located between right atrium and right ventricle A) Tricuspid valve. B) Aortic valve. C) Pulmonary valve. D) Bicuspid valve. Show Answer Correct Answer: A) Tricuspid valve. 52. Alveoli are filled with these tiny blood vessels. A) Veins. B) White blood cells. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 53. Which organ of the respiratory system is also an organ of the muscular system? A) Diaphragm. B) Nose. C) Lungs. D) Trachea. Show Answer Correct Answer: A) Diaphragm. 54. A flap of tissue that prevents blood from flowing backward. A) Epiglottis. B) Ventricle. C) Valve. D) Atrium. Show Answer Correct Answer: C) Valve. 55. This type of circulation travels between the heart and lungs. A) Systemic circulation. B) Pulmonary circulation. C) Coronary circulation. D) Hepatic Portal circulation. Show Answer Correct Answer: B) Pulmonary circulation. 56. Arrhythmias are abnormal heart rhythms caused by weak heart muscles. A) True. B) False. Show Answer Correct Answer: B) False. 57. Which pumps the blood? A) Veins. B) Arteries. C) Heart. D) Capillaries. Show Answer Correct Answer: C) Heart. 58. Your lungs have tiny air sacs called ..... A) Alveoli. B) Aorta. C) Ventricles. D) Arteries. Show Answer Correct Answer: A) Alveoli. 59. What is the role of the pulmonary artery in the circulatory system? A) It carries deoxygenated blood from the body to the heart. B) It carries oxygenated blood from the lungs to the heart. C) It carries oxygenated blood from the heart to the body. D) It carries deoxygenated blood from the heart to the lungs. Show Answer Correct Answer: D) It carries deoxygenated blood from the heart to the lungs. 60. It is located along the lymph vessels they are enlargement called A) Antibodies. B) Lymph nodes. C) Antigens. D) Lymph vessels. Show Answer Correct Answer: B) Lymph nodes. ← 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