This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System โ Quiz 192 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 192 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What can you infer about plasma from the fact that it's almost completely clear? A) It's mostly made of water. B) It contains oxygen. C) It fights infections. D) It cannot be found in the bloodstream. Show Answer Correct Answer: A) It's mostly made of water. 2. Blood in the aorta: A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 3. Which of these mechanisms does NOT occur in mouth? A) Mechanical breakdown. B) Swallowing. C) Peristalsis. D) Chemical breakdown. Show Answer Correct Answer: C) Peristalsis. 4. RIGHT part of heart contain A) Oxygenated blood. B) Deoxygenated blood. Show Answer Correct Answer: B) Deoxygenated blood. 5. Pulmonary circulation is A) The blood flow from heart to the body cells and back to the heart. B) The blood flow from heart to the lungs and back to the heart. C) The blood flow from lungs to the heart and then to the body cells. D) The blood flow from the body cells to the lunngs and back to the heart. Show Answer Correct Answer: B) The blood flow from heart to the lungs and back to the heart. 6. An acute injury in which blood flow to the brain is interrupted A) Arrhythmia. B) Stroke. C) Heart attack. D) Cancer. Show Answer Correct Answer: B) Stroke. 7. It takes no more than a ..... for blood to travel through your circulatory system. A) Hour. B) Minute. C) Second. D) Year. Show Answer Correct Answer: B) Minute. 8. What blood disorder is caused by a genetic disorder? A) Hemophilia. B) Hemolytic Anemia. C) Pernicious Anemia. D) Cyanosis. Show Answer Correct Answer: A) Hemophilia. 9. Functionally are like capillariesWall:endothelium with small amount of connective tissue A) Venules. B) Medium veins. C) Large veins. D) None of above. Show Answer Correct Answer: A) Venules. 10. Which blood cell is most important for clotting? A) Red blood cells. B) White blood cells. C) Platelets. D) Clotters. Show Answer Correct Answer: C) Platelets. 11. Which of the following carry blood away from the heart? A) Arteries. B) Veins. C) Lungs. D) Ventricles. Show Answer Correct Answer: A) Arteries. 12. Give one example of how your body's systems work together. A) Our digestive system doesn't work with any other system in our body. B) Our muscular system helps push food through our digestive system. C) Our nervous system only works if our body is awake. D) Our cardiovascular system only works with our blood vessels. Show Answer Correct Answer: B) Our muscular system helps push food through our digestive system. 13. Where does the exchange of gases takes place and blood is oxygenated- A) Heart. B) Lungs. C) Brain. D) Kidney. Show Answer Correct Answer: B) Lungs. 14. Which body structures have walls one cell thick to facilitate the exchange of materials? A) Veins. B) Bronchi. C) Capillaries. D) Arteries. Show Answer Correct Answer: C) Capillaries. 15. Which blood vessel carries oxygen poor blood back to the lungs and heart? A) Arterioles. B) Arteries. C) Capillaries. D) Veins. Show Answer Correct Answer: D) Veins. 16. What causes the changes in pressure in the ventricles? A) Opening and closing of atrioventricular valves. B) Opening and closing of semi-lunar valves. C) Contraction and relaxation of muscles in ventricles. D) Contraction and relaxation of ventricles. Show Answer Correct Answer: C) Contraction and relaxation of muscles in ventricles. 17. What is a White Blood Cells job? A) Fights Infectious Diseases. B) Transport Oxygen. C) Clot the Blood. D) None of above. Show Answer Correct Answer: A) Fights Infectious Diseases. 18. The coronary arteries are the first branch off the ..... A) Pericardium. B) Vena cava. C) Pulmonary arteries. D) Aorta. Show Answer Correct Answer: D) Aorta. 19. Double circulation means..... A) Blood flows to lungs twice.in a circulation. Blood flows to the lungs twice in one circulation. B) Blood flows to the heart twice in a circulation. Blood flows to the heart twice in one circulation. C) Blood flows to body organs twice in a circulation. Blood flows twice in one circulation to body parts. D) All the above. เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: B) Blood flows to the heart twice in a circulation. Blood flows to the heart twice in one circulation. 20. Blood flows the slowest (may have multiple answers) A) Arteries. B) Veins. C) Capillaries. D) Alveoli. Show Answer Correct Answer: B) Veins. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books