This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 276 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 276 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which one of these valves is a semilunar valve? A) Tricuspid. B) Bicuspid. C) Aortic. D) Atrium. Show Answer Correct Answer: C) Aortic. 2. The circulatory system is said to be closed because A) The blood always stays within the blood vessels. B) It does not go anywhere. C) It closes around the heart. D) The blood flows outside the blood vessels. Show Answer Correct Answer: A) The blood always stays within the blood vessels. 3. Which one of the following are the largest veins in the body? A) Superior and Inferior vena cava. B) Aorta. C) Pulmonary vein. D) Cardiac vein. Show Answer Correct Answer: A) Superior and Inferior vena cava. 4. It carries oxygenated blood from the heart. A) Veins. B) Capillaries. C) Arteries. D) Alveoli. Show Answer Correct Answer: C) Arteries. 5. What carries deoxygenated blood? A) Veins. B) Arteries. Show Answer Correct Answer: A) Veins. 6. The two superior receiving chambers of the heart are known as the ..... A) Atria. B) Ventricles. Show Answer Correct Answer: A) Atria. 7. Red blood cells survive an average of ..... A) 90 days. B) 120 days. C) 24 hours. D) 30 days. Show Answer Correct Answer: B) 120 days. 8. In which blood vessel is oxygen released into the body? A) Vein. B) Capillary. C) Artery. D) None of above. Show Answer Correct Answer: B) Capillary. 9. Difference between different blood types A) % of red blood cells. B) Proteins on surface. C) % of white blood cells. D) Number of platelets. Show Answer Correct Answer: B) Proteins on surface. 10. Blood carrying carbon dioxide enters the heart through the ..... A) Cava artery. B) Vena cava. C) Aorta. D) None of above. Show Answer Correct Answer: B) Vena cava. 11. The Capillaries are similar to a A) Delivery trucks. B) Pump/Motor. C) Roads. D) Truck stops. Show Answer Correct Answer: D) Truck stops. 12. When you ....., your diaphragm relaxes and your lungs deflate, as air moves out through the mouth automatically. A) Inhale. B) Exhale. Show Answer Correct Answer: B) Exhale. 13. The blood circulation pattern is as follows:Superior vena cava, ....., tricuspid valve, Right ventricle, Left atrium, ....., left ventricle, and aorta. A) Bucuspid valve, bundle of his. B) Right atrium, tricuspid valve,. C) Right atrium, bicuspid valve. D) Vein, arteriole. Show Answer Correct Answer: C) Right atrium, bicuspid valve. 14. How many type of blood vessels are there? A) 1. B) 4. C) 5. D) 6. Show Answer Correct Answer: D) 6. 15. What carries blood away from the heart, oxygenated, and its largest artery is aorta, and its smallest artery is arterioles A) Arteries. B) Veins. Show Answer Correct Answer: A) Arteries. 16. Another name for red blood cells (carry oxygen and carbon dioxide) A) Thrombocytes. B) Leukocytes. C) Wookieecytes. D) Erythrocytes. Show Answer Correct Answer: D) Erythrocytes. 17. The (a) protects the body against pathogens. A) A White Blood Cell. B) Red Blood Cell. C) Platelets. D) None of above. Show Answer Correct Answer: A) A White Blood Cell. 18. Lung disease caused by tar deposits that build-up in smokers' lungs A) Pneumonia. B) Hyperventilating. C) Emphysema. D) Fainting. Show Answer Correct Answer: C) Emphysema. 19. What do we call the movement ofblood through the heart and around the body? A) Circulation. B) Transportation. C) Digestion. D) Breathing. Show Answer Correct Answer: A) Circulation. 20. The main function of these cells is to aid in the blood clotting process. This prevents blood loss. A) White blood cells. B) Red blood cells. C) Platelets. D) None of above. Show Answer Correct Answer: C) Platelets. ← 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