This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 124 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 124 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which plasma protein(s) are responsible for the bodies ability to clot? A) Fibrogens. B) Albumins. C) Globulins. D) None of above. Show Answer Correct Answer: A) Fibrogens. 2. Which blood vessels have valves to help keep blood flowing back towards the heart? A) Arteries. B) Capillaries. C) Veins. D) They all do. Show Answer Correct Answer: C) Veins. 3. Valve that connects left atrium to left ventricle A) Mitral or Bicuspid. B) Aortic. C) Pulmonary. D) Tricuspid. Show Answer Correct Answer: A) Mitral or Bicuspid. 4. The blood vessel which carries oxygenated blood to all parts of the body A) Aorta. B) Wreath. C) Pulmonary artery. D) Vein. Show Answer Correct Answer: A) Aorta. 5. The de-oxygenated blood gets to the lungs from the A) Heart. B) Left ventricle. C) Right ventricle. D) Right atria. Show Answer Correct Answer: C) Right ventricle. 6. How many parts is the blood made up from? A) 3. B) 1. C) 5. D) 4. Show Answer Correct Answer: D) 4. 7. Does an artery or a vein take deoxygenated blood to the rest of the body A) Yes. B) No. C) I don't know. D) None of above. Show Answer Correct Answer: B) No. 8. When blood is in the right atrium, it goes through tricuspid valve to the ..... A) Left atrium. B) Right ventricle. C) Left ventricle. D) None of above. Show Answer Correct Answer: B) Right ventricle. 9. Heart contracts A) Diastole. B) Systole. Show Answer Correct Answer: B) Systole. 10. Thin blood vessels found all over the body; deliver oxygen and nutrients; collects waste A) Superior Vena Cava. B) Capillaries. C) Aorta. D) Heart. Show Answer Correct Answer: B) Capillaries. 11. What are the smallest blood vessels in the body called? A) Capillaries. B) Veins. C) Arteries. D) Venules. Show Answer Correct Answer: A) Capillaries. 12. Find the missing words!:)The auricles ..... and the blood flows into them from the ..... and ..... A) Contract, Pulmonary veins, Right auricles. B) Relax, Pulmonary veins, Vena cava. C) Contract, Pulmonary arteries, Venae cavae. D) Relax, Pulmonary arteries, Left auricles. Show Answer Correct Answer: B) Relax, Pulmonary veins, Vena cava. 13. Carry oxygenated blood back to the heart, only type of these to do this: A) Pulmonary arteries. B) Pulmonary veins. C) Pulmonary capillaries. D) Aorta artery. Show Answer Correct Answer: B) Pulmonary veins. 14. How does the body respond when more oxygen is required? A) Decreasing heart rate. B) Increasing heart rate. C) Decreasing blood pressure. D) Increasing blood pressure. Show Answer Correct Answer: B) Increasing heart rate. 15. Is the fluid that carries gases, nutrients, and wastes through the body. A) Cardiovascular system. B) Blood. C) Artery. D) None of above. Show Answer Correct Answer: B) Blood. 16. A substance produced by the body that destroys or inactivates an antigen that has entered the body A) Antibody. B) Antigen. C) Lymph. D) Plasma. Show Answer Correct Answer: A) Antibody. 17. Our blood contains types of cells. A) Red blood cells, White blood cells, Platelets. B) Red blood cells, White blood cells. C) White blood cells, Platelets. D) None of above. Show Answer Correct Answer: A) Red blood cells, White blood cells, Platelets. 18. True or False:Oxygenated blood is high in oxygen and low in carbon dioxide. A) True. B) False. Show Answer Correct Answer: A) True. 19. Pulmonary edema can occur when the removal of blood from the heart is not maintained at a steady rate. A) True. B) False. Show Answer Correct Answer: A) True. 20. If your red blood cells have no antigens on their surface, what is your blood type? A) AB. B) A. C) B. D) O. Show Answer Correct Answer: D) O. ← 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