This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 137 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 137 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A condition in which the blood is deficient in red blood cells, in hemoglobin, or in total volume. A) Sickle Cell Anemia. B) Anemia. C) Hemophilia. D) None of above. Show Answer Correct Answer: B) Anemia. 2. Which blood vessels carry oxygen blood away from the heart to the cells? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 3. Which formed elements fight foreign bodies? A) Erythrocytes. B) Leukocytes. C) Thrombocytes. D) Plasma. Show Answer Correct Answer: B) Leukocytes. 4. If you are sick, which part of your blood would there be more of? A) White Blood Cells. B) Red Blood Cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) White Blood Cells. 5. ..... Very small tubes that connect arteries to veins; the smallest blood vessels. A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: B) Capillaries. 6. Transports food, hormones, metabolic wastes and gases to and from cells A) Circulatory system. B) Homeostasis. C) Blood. D) Hemoglobin. E) Hemoglobin. Show Answer Correct Answer: A) Circulatory system. 7. How many lobes at the right lung? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 8. Why do you get the hiccups? A) Your nose is irritated. B) Your diaphragm is irritated. C) Your trachea is irritated. D) None of above. Show Answer Correct Answer: B) Your diaphragm is irritated. 9. There is about 3 liters of blood in the human body? A) True. B) False. Show Answer Correct Answer: B) False. 10. Which of the following are the blood vessels that have a wall that is 1 cell thick? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 11. It carries oxygen-poor blood from the different parts of the body back to the heart. A) Arteries. B) Veins. C) Capillaries. D) Valve. Show Answer Correct Answer: B) Veins. 12. The ..... receives oxygenated blood. A) Left atrium. B) Right atrium. Show Answer Correct Answer: A) Left atrium. 13. Arteries carry blood that is oxygenated A) True. B) False. Show Answer Correct Answer: A) True. 14. Cells that are responsible for antibody production and cellular immune response. A) Lymphocytes. B) Basophils. C) Eosinophils. D) Monocytes. Show Answer Correct Answer: A) Lymphocytes. 15. White blood cells are removed because they often carry viruses and bacteria that could be detrimental to the recovery of the recipient. It is done for all whole blood donations. A) Plateletpheresis. B) Plasmapheresis. C) Leukoreduction. D) Agglutination. Show Answer Correct Answer: C) Leukoreduction. 16. Why are capllaries one cell thick? A) To allow for oxygen and carbon dioxide to enter and leave the cell. B) So they can fit in small spaces. C) For the bants. D) So the heart can keep on pumping blood. Show Answer Correct Answer: A) To allow for oxygen and carbon dioxide to enter and leave the cell. 17. Which blood cell has the ability to pass through the blood vessel walls? A) Erythrocyte. B) Leukocyte. C) Reticulocyte. D) Thrombocyte. Show Answer Correct Answer: B) Leukocyte. 18. Blood leaves the heart in two vessels, namely the: A) Aorta and pulmonary vein. B) Pulmonary artery and aorta. C) Aorta and vena cava. D) Pulmonary artery and pulmonary vein. Show Answer Correct Answer: B) Pulmonary artery and aorta. 19. A thick mass of blood is called ..... A) Hemoglobin. B) Clot. C) Platelet. D) Antibody. Show Answer Correct Answer: B) Clot. 20. The heart is the size of a A) Baseball. B) Fist. C) Golf ball. D) Foot. Show Answer Correct Answer: B) Fist. ← 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