This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 263 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 263 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The major blood vessels in the neck, that supply blood to the brain, neck and face A) Carotid artery. B) Veins. C) Circle of Willis. D) Arteries. Show Answer Correct Answer: A) Carotid artery. 2. When the heart contracts A) The blood is pushed out of the heart into the veins. B) The blood is pushed out of the heart into the arteries. Show Answer Correct Answer: B) The blood is pushed out of the heart into the arteries. 3. The major concern for patients with an aneurysm is hemorrhage. A) True. B) False. Show Answer Correct Answer: A) True. 4. What is the main function of blood? A) Carry the digested food and oxygen to all parts of your body. B) Excretes waste materials from your body. C) Pumps blood to your body. D) Regulates hormones in your body. Show Answer Correct Answer: A) Carry the digested food and oxygen to all parts of your body. 5. The job of the circulatory system is to A) Move blood around the body. B) Get food to the body. C) Change the color of blood. D) None of above. Show Answer Correct Answer: A) Move blood around the body. 6. Blood carries ..... and ..... to all parts of the body A) Oxygen, carbon dioxide. B) Oxygen and food. C) Food and carbon dioxide. D) None of above. Show Answer Correct Answer: B) Oxygen and food. 7. Unicellular organisms depend on the following simple phenomenon for transportation of nutrient and oxygen..... A) Diffusion. B) Osmosis Osmosis. C) Both. D) Specialized cells are specialized cells. Show Answer Correct Answer: C) Both. 8. The blood move back to the heart through the vein. A) True. B) False. C) I ain't a heart specialist. D) None of above. Show Answer Correct Answer: A) True. 9. Which part of the blood carries oxygen from the lungs to the rest of the body? A) White blood cells. B) Platelets. C) Plasma. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 10. QRS A) Repolarization or recovery of the ventricles. B) Impulses hit av bundle branch off into two bundles down front of heart into purkinje fibers. C) SA Nodes contracts Both atria contracts. D) Impulses reach the av node 0.10 delay allows atria. Show Answer Correct Answer: B) Impulses hit av bundle branch off into two bundles down front of heart into purkinje fibers. 11. Oxygen-rich blood from the lungs enters the ..... through the pulmonary vein. A) Right Atrium. B) Left Atrium. C) Right Ventricle. D) Left Ventricle. Show Answer Correct Answer: B) Left Atrium. 12. In the systemic circuit, veins carry oxygen ..... blood A) Rich. B) Poor. C) Neutral. D) Cannot tell. Show Answer Correct Answer: B) Poor. 13. What is the largest artery A) Radial. B) Aorta. C) Ulnar. D) Femoral. Show Answer Correct Answer: B) Aorta. 14. These structures prevent the blood from backing up to the atria A) Septum. B) Valves. C) Veins. D) Arteries. Show Answer Correct Answer: B) Valves. 15. ..... are the smallest blood vessels found between arteries and veins. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 16. Arteries are fulled with blood with high concentration of ..... A) Oxygen. B) Nitrogen. C) Ammonia. D) Urea. Show Answer Correct Answer: A) Oxygen. 17. The upper chamber of the heart that receives oxygen-poor blood from the body is the ..... A) Left ventricle. B) Right atrium. C) Right ventricle. D) Artery. Show Answer Correct Answer: B) Right atrium. 18. The only reptile having 4-chambered heart is A) Snake. B) Crocodile. C) Lizard. D) Turtle. Show Answer Correct Answer: B) Crocodile. 19. Heartbeat rate and pulse are A) Always the same. B) Sometimes the same. C) Never the same. D) None of above. Show Answer Correct Answer: A) Always the same. 20. The Circulatory System is made up of how many components: A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. ← 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