This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 17 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A heart attack is A) The lack of blood flow through the heart chambers. B) The lack of blood flow through the veins of the heart. C) The lack of blood flow through the arteries that feed the heart muscle. D) The lack of blood flow through the aorta. Show Answer Correct Answer: C) The lack of blood flow through the arteries that feed the heart muscle. 2. True or false? The coronary arteries provide the stomach with blood supply. A) True. B) False. Show Answer Correct Answer: B) False. 3. The blood receives ..... from the lungs. A) Nutrients. B) Carbon dioxide. C) Oxygen. D) Poison. Show Answer Correct Answer: C) Oxygen. 4. What does "resting heart rate" mean? A) How fast your heart is beating while exercising. B) How fast your heart is beating while recovering from exercise. C) How fast your heart is beating anytime. D) How fast your heart is beating while resting. Show Answer Correct Answer: D) How fast your heart is beating while resting. 5. What is the purpose of the valves in the heart? A) To produce red blood cells. B) To pump blood. C) To prevent the backward flow of blood. D) To store oxygen. Show Answer Correct Answer: C) To prevent the backward flow of blood. 6. Water exits the leaf through the ..... A) Stomata. B) Flower. C) Roots. D) Phloem. Show Answer Correct Answer: A) Stomata. 7. Oxygen-poor blood is pumped to the lungs to ..... A) Be warmed-up. B) Be cleaned. C) Exchange for oxygen. D) Provide oxygen for the lungs. Show Answer Correct Answer: C) Exchange for oxygen. 8. These are blood vessels which have a thick elastic middle layer that carry oxygen-rich blood away from the heart. Which blood vessel is being described? A) Arteries. B) Veins. C) Capillaries. D) Venules. Show Answer Correct Answer: A) Arteries. 9. In portions where coronary arteries are found, it contains a lot of adipose cells/tissue. A) Endocardium. B) Myocardium. C) Epicardium. D) None of above. Show Answer Correct Answer: C) Epicardium. 10. The aorta is A) A vein. B) An artery. C) A valve. D) A capillary. Show Answer Correct Answer: B) An artery. 11. What is systole? A) The blood pressure created when the heart relaxes. B) The blood pressure created when the heart contracts. C) A blood disease spread by blood sucking mosquitoes. D) Pathway that pumps oxygen poor blood between the heart and lungs. Show Answer Correct Answer: B) The blood pressure created when the heart contracts. 12. Type of circulation that brings blood from the aorta to the myocardium and back to the right atrium through the coronary sinus A) Cardiopulmonary Circulation. B) Coronary Circulation. C) Fetal Circulation. D) Portal Circulation. Show Answer Correct Answer: B) Coronary Circulation. 13. Poetry? A) Destruction. B) Formation. Show Answer Correct Answer: B) Formation. 14. (Click to show) What is this part? A) Popliteal Artery. B) Radial Artery. C) Short Saphenous Vein. D) Medial Plantar Artery. Show Answer Correct Answer: A) Popliteal Artery. 15. What is the meaning of "made up of" ? A) Composed by. B) Made by. C) Do. D) None of above. Show Answer Correct Answer: A) Composed by. 16. Blood flows in only one direction. A) True. B) False. Show Answer Correct Answer: A) True. 17. Platelets A) Carry oxygen. B) Fight infections. C) Clot blood. D) Work less. Show Answer Correct Answer: C) Clot blood. 18. Small blood vessels that diffuse oxygen, carbon dioxide, and nutrients. A) Heart. B) Arteries. C) Veins. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 19. The aorta artery carries oxygenated blood to all parts of the body except A) The lungs. B) The legs. C) The head. D) None of above. Show Answer Correct Answer: A) The lungs. 20. The organ which pumps blood to all parts of our body is A) The lungs. B) The liver. C) The heart. D) The brain. Show Answer Correct Answer: C) The heart. ← 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