This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 435 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 435 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hypertension is known as ..... and is caused by a narrowing of the arteries resulting in an increased resistance to the flow of blood. A) Angina. B) Low Blood Pressure. C) High Blood Pressure. D) Too much fat in your diet. Show Answer Correct Answer: C) High Blood Pressure. 2. Divorce A) Blank. B) Bleed. C) Red. D) Blood. Show Answer Correct Answer: D) Blood. 3. The deoxygenated blood enters to your heart through the upper right atrium. A) True. B) False. Show Answer Correct Answer: A) True. 4. Oxygenated blood and deoxygenated blood of amphibians are mixed together in the heart. A) True. B) False. Show Answer Correct Answer: A) True. 5. How many times per minute does a shrew's heart beat? A) 50 times per minute. B) 1, 000 times per minute. C) 90 times per minute. D) 85 times per minute. E) 1100 times per minute. Show Answer Correct Answer: B) 1, 000 times per minute. 6. Blood diffuses from the heart to the lungs, TRUE or FALSE. A) True. B) False. Show Answer Correct Answer: B) False. 7. If hypertension is not treated, it can cause permanent damage to the heart, blood vessels, and kidneys. A) True. B) False. Show Answer Correct Answer: A) True. 8. These carry blood towards the heart A) Arteries. B) Veins. Show Answer Correct Answer: B) Veins. 9. What is the largest artery in the body called? A) Aorta. B) Pulmonary artery. C) Atrium. D) Pulmonary vein. Show Answer Correct Answer: A) Aorta. 10. What type of blood vessel carries oxygen-rich blood away from the heart to the body? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 11. ..... % of your blood is plasma, 1% is WBC + Platelets, and ..... % is Red Blood Cells. A) 30; 70. B) 60;40. C) 55; 45. D) 20; 80. Show Answer Correct Answer: C) 55; 45. 12. Which of the following is true about the process of exhalation? A) Air pressure in the cavity increases. B) Space in the pleural cavity increases. C) Diaphragm is contracted. D) Air comes into the lungs. Show Answer Correct Answer: A) Air pressure in the cavity increases. 13. The next stop is the A) Pulmonary valve. B) Pulmonary artery. C) Pulmonary vein. D) Tricuspid valve. Show Answer Correct Answer: A) Pulmonary valve. 14. Which color represents the oxygenated blood? A) Blue. B) Green. C) Red. D) Yellow. Show Answer Correct Answer: C) Red. 15. The purpose of the heart valves are to A) Slow the blood as it enters a ventricle. B) Slow the blood as it enters the atria. C) Prevent blood from flowing backward. D) Prevent blood from flowing into the lungs. Show Answer Correct Answer: C) Prevent blood from flowing backward. 16. What is TRUE about the atria and ventricles? A) The atria receive blood from the rest of the body. B) The ventricles push blood out of the heart. C) Atria and ventricles are separated by valves that prevent blood from flowing backward. D) All of the above are true. Show Answer Correct Answer: D) All of the above are true. 17. The job of platelets is A) Protect you from germs. B) Carry oxygen to all parts of the body. C) Eat germs. D) To stop bleeding if you cut your skin. Show Answer Correct Answer: D) To stop bleeding if you cut your skin. 18. The circulatory system is responsible for carrying and transporting oxygen and nutrients throughout the body. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 19. What is released by the cells in exchange for oxygen? A) More oxygen. B) Carbon Dioxide. C) Carbon Monoxide. D) Nutrients. Show Answer Correct Answer: B) Carbon Dioxide. 20. Functions of blood? A) Transportation. B) Regulation. C) Protection. D) All of the above. Show Answer Correct Answer: D) All of the above. ← 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