This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 584 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 584 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which disease of the circulatory system is the blockage of blood flow? (Hint:Scientific name of a heart attack.) A) Atherosclerosis. B) Myocardial Infarction. C) Arrhythmia. D) High Blood Pressure. E) Prolapsed Valve. Show Answer Correct Answer: B) Myocardial Infarction. 2. Name the organ of muscular system A) Muscles. B) Brain. C) Ligaments. D) Tendons. Show Answer Correct Answer: A) Muscles. 3. Play an important role in preventing blood loss A) Thrombocyte (platelets). B) Plasma. C) Water. D) Plasma proteins. E) Plasma proteins. Show Answer Correct Answer: A) Thrombocyte (platelets). 4. Which chamber of the heart is the thickest and why? A) Left atrium because it must receive oxygen-rich blood from the lungs into the heart. B) Left ventricle because it must pump blood from the heart to various parts of the body. C) Right atrium because it must receive blood waste from various parts of the body into the heart. D) Right ventricle because it must pump blood from various parts of the body to the lungs. Show Answer Correct Answer: B) Left ventricle because it must pump blood from the heart to various parts of the body. 5. Oygenated blood enters the heart through which vessels A) Superior and Inferior Vena Cava. B) Pulmonary Artery. C) Pulmonary Veins. D) Tricuspid Valve. Show Answer Correct Answer: C) Pulmonary Veins. 6. What is the chemical marker on red blood cells that determines blood type? A) Antigen. B) Antibody. C) White Blood Cells. D) Plasma. Show Answer Correct Answer: A) Antigen. 7. True of False. In a frog heart, there is mixing of oxygen-containing and oxygen-lacking blood A) True. B) False. Show Answer Correct Answer: A) True. 8. Nodus Auricularis A) Heart wall (3). B) Heart room. C) Heart valves (3). D) Cardiac nerves (3). Show Answer Correct Answer: D) Cardiac nerves (3). 9. Bile chemically digests: A) Carbohydrates. B) Proteins. C) Vitamins. D) Lipids (fats). Show Answer Correct Answer: D) Lipids (fats). 10. The circulatory system transports ..... and removes ..... to and from the cells of the body. A) Nutrients/ Waste. B) Waste/Nutrients. C) Blood/Oxygen. D) Plasma/ White Blood Cells. Show Answer Correct Answer: A) Nutrients/ Waste. 11. True or False:Our heart beats faster after exercise. A) True. B) False. Show Answer Correct Answer: A) True. 12. Blood is taken to the lungs by the ..... A) Aorta. B) Pulmonary vein. C) Pulmonary artery. D) Vena cava. Show Answer Correct Answer: C) Pulmonary artery. 13. To pump blood to the whole body is the function of ..... A) The right ventricle. B) The left ventricle. C) The right atrium. D) The left atrium. Show Answer Correct Answer: B) The left ventricle. 14. Capillary walls are only one layer of cells thick. Passage of oxygen into and out of the capillaries is controlled most by which process? A) Collection of waste material. B) Breakdown of materials. C) Diffusion of materials. D) Storage of materials. Show Answer Correct Answer: C) Diffusion of materials. 15. There are special ..... inside the heart that prevent a backwards flow. A) Valves. B) Atria. C) Ventricles. D) None of above. Show Answer Correct Answer: A) Valves. 16. The principal vein in the leg and the longest in the body A) Great Saphenous. B) Pulmonary vein. C) Superior vena cava. D) None of above. Show Answer Correct Answer: A) Great Saphenous. 17. What is the function of the upper chambers of the heart? A) Transporting oxygen. B) Fighting infection. C) Clotting blood. D) Receiving blood. Show Answer Correct Answer: D) Receiving blood. 18. A build up of ..... in your arteries can restrict blood flow. A) Tartar. B) White Blood Cells. C) Plague. D) Carbon Dioxide. Show Answer Correct Answer: C) Plague. 19. The blood travels A) Around the body. B) In thin tubes called bood vessels. C) In the heart. D) None of above. Show Answer Correct Answer: B) In thin tubes called bood vessels. 20. Which of the blood vessels do you think have greatest blood pressure A) Veins. B) Capillaries. C) Atria. D) Arteries. Show Answer Correct Answer: D) Arteries. ← PreviousNext →Related QuizzesScience QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8Circulatory System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books