This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 531 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 531 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What part of your body do you feel to find your pulse? A) Your chest. B) Underneath your chin. C) Your wrist. D) None of the above. Show Answer Correct Answer: B) Underneath your chin. 2. What is the largest artery called? A) Femoral Artery. B) Aorta. C) Ventricle. D) Atrium. Show Answer Correct Answer: B) Aorta. 3. Which blood vessel carries blood full of waste and carbon dioxide? A) Artery. B) Capillary. C) Vein. D) None of above. Show Answer Correct Answer: C) Vein. 4. Which instrument is used to hear heart beat? A) Stethoscope. B) Thermometer. C) Microscope. D) None of these. Show Answer Correct Answer: A) Stethoscope. 5. Which best describes the relationship between the muscular system and the circulatory system? A) The circulatory system captures carbon dioxide from the air for muscle energy. B) The circulatory system produces red blood cells to bring oxygen to the muscles. C) The circulatory system provides a framework for muscle movement. D) The circulatory system delivers oxygen for muscle energy. Show Answer Correct Answer: D) The circulatory system delivers oxygen for muscle energy. 6. Which part of the respiratory system directly exchanges oxygen and carbon dioxide with the blood in the circulatory system? A) Cilia. B) Alveoli. C) Bronchioles. D) Bronchi. Show Answer Correct Answer: B) Alveoli. 7. Pulse rate is calculated per ..... A) Minute. B) Second. C) Hour. D) All the above. Show Answer Correct Answer: A) Minute. 8. What is the main function of veins in the circulatory system? A) Carry blood away from the heart. B) Carry blood towards the heart. C) Involved in the clotting process of the blood following an injury. D) Protect against disease and harmful bacteria; produce antibodies. Show Answer Correct Answer: B) Carry blood towards the heart. 9. In what kind of blood vessel is the pulse felt? A) Artery. B) Vein. C) Capillary. D) Lymph. Show Answer Correct Answer: A) Artery. 10. Which of the following would be closest to the size of the human heart? A) A ping pong ball. B) A tennis ball. C) A basketball. D) A volleyball. Show Answer Correct Answer: B) A tennis ball. 11. How many miles of blood vessels are in the average human body? A) 60, 000 miles of blood vessels. B) 10, 000. C) 1, 000. D) 100. Show Answer Correct Answer: A) 60, 000 miles of blood vessels. 12. Platelets are involved in: A) Transportation of oxygen. B) Fighting against germs. C) Blood clotting. D) None of the above. Show Answer Correct Answer: C) Blood clotting. 13. How many chambers make up the heart? A) 4. B) 6. C) 2. D) 5. Show Answer Correct Answer: A) 4. 14. How many leads are on a standard EKG? A) 10. B) 12. C) 14. D) 8. Show Answer Correct Answer: B) 12. 15. This blood vessels take blood from the kidneys back to the heart. A) Renal Vein. B) Renal Artery. C) Pulmonary Vein. D) Pulmonary Artery. E) Hepatic Vein. Show Answer Correct Answer: A) Renal Vein. 16. Blood vessel that carries blood without oxygen away from the heart to your lungs A) Pulmonary artery. B) Aorta. C) Pulmonary veins. D) Wreath. Show Answer Correct Answer: A) Pulmonary artery. 17. ..... are materials that ALLOW heat and electricity to move easily through them. A) Conductors. B) Insulators. Show Answer Correct Answer: A) Conductors. 18. Upper chamber of the heart A) Atrium. B) Ventricle. C) Aorta. D) Aorta. Show Answer Correct Answer: A) Atrium. 19. Arteries always carry blood ..... A) That is oxygenated. B) That is deoxygenated. C) Away from the heart. D) That is at low pressure. Show Answer Correct Answer: C) Away from the heart. 20. Which is NOT a function of the nose in the respiratory system? A) Filters air. B) Moistens air. C) Warms air. D) Transfers oxygen from the air to the blood. Show Answer Correct Answer: D) Transfers oxygen from the air to the blood. ← 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