This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 380 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 380 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is Hemopoiesis? A) Movement of blood. B) Production of blood cells. C) Blood clotting. D) Blood typing. Show Answer Correct Answer: B) Production of blood cells. 2. The frequency of heart contractions is controlled by the "pacemaker" of the heart called: A) AV node. B) Blood pressure. C) Cardiac cycle. D) Because of the difference. Show Answer Correct Answer: D) Because of the difference. 3. What is the significance of the colors red and blue in the context of the circulatory system? A) Red indicates carbon dioxide is present, blue indicates oxygen is present. B) Red indicates deoxygenated blood, blue indicates oxygenated blood. C) Red indicates oxygenated blood, blue more oxygenated blood. D) Red indicates oxygen is present, blue indicates carbon dioxide is present. Show Answer Correct Answer: D) Red indicates oxygen is present, blue indicates carbon dioxide is present. 4. The deoxygenated blood is pumped to the pulmonary arteries by ..... A) The contraction of right ventricle. B) The contraction of right atrium. C) The contraction of left ventricle. D) The contraction of left atrium. Show Answer Correct Answer: A) The contraction of right ventricle. 5. Which valve separates the left atrium from the left ventricle? A) Mitral Valve. B) Tricuspid Valve. C) Pulmonary Valve. D) Aortic Valve. Show Answer Correct Answer: A) Mitral Valve. 6. Which type of blood cell is helpful in blood clotting? A) Plasma. B) Platelets. C) White Blood cells (WBC). D) Red blood cells (RBC). Show Answer Correct Answer: B) Platelets. 7. Two things happen to the tissue fluid. Some of it enters the capillaries. Some of it enters a system of vessels called ..... A) Lymph vessels. B) Lymph. C) Phagocytes. D) Plasma. Show Answer Correct Answer: A) Lymph vessels. 8. The artery is a A) A cell fragment that is involved in blood clotting. B) A blood vessel that carries blood to the heart. C) A large blood vessel that carries oxygenated blood away from the heart. D) Blood cells that help to fight infections and diseases. Show Answer Correct Answer: C) A large blood vessel that carries oxygenated blood away from the heart. 9. Pulmonary circulation involves blood travelling to A) The lungs. B) The heart. C) The rest of the body. D) None of above. Show Answer Correct Answer: A) The lungs. 10. What does every cell and virus have on their outsides that white blood cells use for recognition? A) Antibodies. B) Antigens. C) Vaccines. D) Pathogens. Show Answer Correct Answer: B) Antigens. 11. Arteries carry carbon-dioxide rich blood from heart to all parts of the body. A) True. B) False. Show Answer Correct Answer: B) False. 12. Channel blood to cells. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 13. What is the name of the blood cells that fight infection? A) Red Blood cell. B) White Blood Cell. C) PLatelet. D) None of above. Show Answer Correct Answer: B) White Blood Cell. 14. Hardening of the arteries by white plaque is called: A) Angioma. B) Arteriosclerosis. C) Cardiomalacia. D) Aortic sclerosis. Show Answer Correct Answer: B) Arteriosclerosis. 15. Difference between blood and lymph is..... A) Plasma Plasma. B) Proteins. C) Blood cells. D) Vessels. Show Answer Correct Answer: C) Blood cells. 16. Low blood pressure A) Diastolic pressure. B) Systolic pressure. C) Hypotension. D) Hypertension. Show Answer Correct Answer: C) Hypotension. 17. How many types of blood vessels are there in our body? A) 5. B) 4. C) 3. D) 2. Show Answer Correct Answer: C) 3. 18. Oxygenated of arteries A) Pulmonary artory. B) Systematic artory. Show Answer Correct Answer: B) Systematic artory. 19. ..... carry carbon dioxide and waste towards the heart. A) Arteries. B) Veins. C) Aorta. D) Lungs. Show Answer Correct Answer: B) Veins. 20. Arteries have thick walls. A) True. B) False. Show Answer Correct Answer: A) True. ← 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