This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 488 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 488 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What takes the blood away from heart A) Arteries and pulmonary artery. B) Veins. C) Pulmonary vein. D) Vein and pulmonary vein. Show Answer Correct Answer: A) Arteries and pulmonary artery. 2. Cells that are responsible for defense against parasites. A) Eosinophils. B) Basophils. C) Lymphocytes. D) Monocytes. Show Answer Correct Answer: A) Eosinophils. 3. This tissue carries nutrients, waste, respiratory gases, and many other substances throughout the body. A) Bone. B) Cartilage. C) Blood. D) Adipose. Show Answer Correct Answer: C) Blood. 4. ..... are a key part of the immune system. A) Plasma. B) Platelets. C) Red Blood Cells. D) White Blood Cells. Show Answer Correct Answer: D) White Blood Cells. 5. What traps and destroys bacteria and other pathogens? A) Spleen. B) Tonsils. C) Cilia. D) Trachea. Show Answer Correct Answer: B) Tonsils. 6. What is the job of our arteries? A) They return the blood to the heart. B) They connect the arteries and veins. C) They carry blood away from the heart. D) All of the above. Show Answer Correct Answer: C) They carry blood away from the heart. 7. White blood cells are ..... A) Smaller than red blood cells. B) Bigger than red blood cells. C) Same size as red blood cells. D) Another name for red blood cells. Show Answer Correct Answer: B) Bigger than red blood cells. 8. Which part of the heart pumps oxygenated blood? A) Left side. B) Right side. C) Top side. D) Bottom side. Show Answer Correct Answer: A) Left side. 9. These are valves that are located between the atrium and the ventricle. A) Atrioventricular valve. B) Semilunar valve. C) Pulmonary valve. D) Aortic valve. Show Answer Correct Answer: A) Atrioventricular valve. 10. Which major blood vessel carries oxygenated blood around the body? A) Vena Cava. B) Pulmonary artery. C) Pulmonary veins. D) Aorta. Show Answer Correct Answer: D) Aorta. 11. The blood cells that contain hemoglobin are: A) Erythrocytes. B) Thrombocytes. C) Platelets. D) Leukocytes. Show Answer Correct Answer: A) Erythrocytes. 12. Which type of circulation occurs when blood flows between the heart and the lungs? A) Pulmonary. B) Systemic. Show Answer Correct Answer: A) Pulmonary. 13. What is the meaning of coronary heart disease (CHD)? A) A disease of the damage septum in heart. B) A disease when you eat a lot of unhealthy food. C) A disease when your coronary arteries become narrower because the plaque buildup. D) A disease when you become lazy to do exercise. Show Answer Correct Answer: C) A disease when your coronary arteries become narrower because the plaque buildup. 14. What is the job of the digestive system? A) To circulate blood. B) To make resources. C) Reproduce. D) Break down food into energy. Show Answer Correct Answer: D) Break down food into energy. 15. What is the purpose of the valves in the circulatory system? A) Help control blood pressure. B) Prevent blood from flowing backward. C) Produce red blood cells. D) Help in the digestion process. Show Answer Correct Answer: B) Prevent blood from flowing backward. 16. Which vessels carry blood to the heart? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 17. The nurse is reviewing a patient's electrocardiogram. Which wave should the nurse recognize as being the first positive wave in a normal cardiac cycle? A) P wave. B) Q wave. C) R wave. D) S wave. Show Answer Correct Answer: A) P wave. 18. Hemoglobin carries both oxygen and carbon dioxide. A) True. B) False. Show Answer Correct Answer: A) True. 19. Match the statement with the correct blood component-function mainly to protect the body against invading microorganisms and toxins A) Plasma. B) Erythrocytes. C) Leukocytes. D) Platelets. Show Answer Correct Answer: C) Leukocytes. 20. The lower chamber of the heart ..... the blood A) Pumps. B) Receives. Show Answer Correct Answer: A) Pumps. ← 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