This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 35 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of blood is the universal donor? A) O-. B) AB. Show Answer Correct Answer: A) O-. 2. The arteries have a A) Thick outer wall and muscle layer, and narrow central tube. B) Thin outer wall and muscle layer, and wide central tube. Show Answer Correct Answer: A) Thick outer wall and muscle layer, and narrow central tube. 3. True or False:The main part of the circulatory system is to digest food? A) True. B) False. Show Answer Correct Answer: B) False. 4. Solid part of the blood that helps fight infection A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: B) White blood cells. 5. A substance we need a little bit of, but too much can narrow and block arteries. A) Cholesterol. B) Plaque. C) White blood cells. D) Platelets. Show Answer Correct Answer: A) Cholesterol. 6. ..... are the site where Oxygen and Carbon Dioxide exchange inside the lungs. A) Alveoli. B) Trachea. C) Bronchi. D) None of above. Show Answer Correct Answer: A) Alveoli. 7. Which type of vessel generally has the thickest wall? A) Vein. B) Arteriole. C) Artery. D) Capillary. Show Answer Correct Answer: C) Artery. 8. WE FIGHT INFECTIONSLUCHAMOS CONTRA LAS ENFERMEDADES A) WHITE CELLS. B) RED CELLS. C) PLATELETS. D) PLASMA. Show Answer Correct Answer: A) WHITE CELLS. 9. Relaxation of the heart between beats A) Systolic pressure. B) Diastolic pressure. C) High blood pressure. D) Low blood pressure. Show Answer Correct Answer: B) Diastolic pressure. 10. Other name of r.b.c A) Erythrocytes. B) Hemoglobin. C) Leukocytes. D) None of above. Show Answer Correct Answer: A) Erythrocytes. 11. The circulatory system includes- A) Blood, Heart and Lungs. B) Blood, Blood Vessels and Heart. C) Muscles, Lungs and Bones. D) None of above. Show Answer Correct Answer: B) Blood, Blood Vessels and Heart. 12. The tricuspid and bicuspid valves ..... A) Lead blood into the arteries. B) Push the blood from the ventricles to the atria. C) Push the blood from the atrium to the ventricles. D) Prevent the backwards flow of blood into the atria. Show Answer Correct Answer: D) Prevent the backwards flow of blood into the atria. 13. A factor in an experiment that stays the same. A) Fair test. B) Constant. C) Dependent variable. D) Independent variable. Show Answer Correct Answer: B) Constant. 14. Which blood clotting disorder will present a threat of death to the patient as it travels through a blood vessel? A) Contusion. B) Embolism. C) Hermatoma. D) Thrombus. Show Answer Correct Answer: B) Embolism. 15. The circulation loop that includes the lungs is the ..... loop A) Cardiac. B) Systemic. C) Coronary. D) Pulmonary. Show Answer Correct Answer: D) Pulmonary. 16. What is the main function of the heart? A) The heart pumps blood throughout the body using various blood vessels. B) The heart is the control centers for all body activities. C) The heart gets rid of the wastes in your body. D) None of above. Show Answer Correct Answer: A) The heart pumps blood throughout the body using various blood vessels. 17. True or False. The purpose of our blood is to transport oxygen, nutrients, white and red blood cells, and platelets and to remove waste and carbon dioxide. A) False. B) I have no idea. C) True. D) Could be the case. Show Answer Correct Answer: C) True. 18. Jasmine is diagnosed with an aneurysm. What is wrong with one of her arteries? A) It is missing. B) It is twisted. C) There is a clot that is stuck. D) There is a weakness in the wall. Show Answer Correct Answer: D) There is a weakness in the wall. 19. The function of the coronary arteries is to A) Bring oxygenated blood to the heart muscle. B) Bring oxygen-poor blood to the heart muscle. C) Bring CO2 to the heart muscle. D) Cool down the heart. Show Answer Correct Answer: A) Bring oxygenated blood to the heart muscle. 20. Which veins carry blood back to the heart from the brain? A) Gastric Veins. B) Jugular Veins. C) Coronary Veins. D) Big-Brain Veins. Show Answer Correct Answer: B) Jugular Veins. ← 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