This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 47 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 47 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is not a proper care for circulatory system A) Exercise. B) Proper diet. C) Have time to relax and be free from stress. D) Sleep only for 2 hours. Show Answer Correct Answer: D) Sleep only for 2 hours. 2. Which of these is absent in lymph? A) RBCs. B) Lymphocytes. C) Platelets. D) RBCs and Platelets. Show Answer Correct Answer: D) RBCs and Platelets. 3. (circulatory system) The medical technician who draws blood from a vein for laboratory tests is called a A) Hematologist. B) Phlebotomist. C) Serologist. D) None of above. Show Answer Correct Answer: B) Phlebotomist. 4. ..... is the liquid part of blood and is made mostly of water. A) Platelets. B) Atriums. C) Plasma. D) Ventricles. Show Answer Correct Answer: C) Plasma. 5. What color is plasma in the blood A) Red. B) White. C) Straw-colored. D) Blue. Show Answer Correct Answer: C) Straw-colored. 6. Lower two chambers of heart are called ..... A) Ears. B) Ventricles. Show Answer Correct Answer: B) Ventricles. 7. What is the function of phagocytes? A) Blood clotting. B) Transport dissolved materials. C) Produce antibodies. D) Engulf and ingest agglutinated foreign particles. Show Answer Correct Answer: D) Engulf and ingest agglutinated foreign particles. 8. What is the function of arteries in the circulatory system? A) TO CARRY DEOXYGENATED BLOOD TO THE HEART. B) CARRY OXYGEN RICH BLOOD AWAY FROM THE HEART. C) CARRY BLOOD WITH NO OXYGEN AWAY FROM THE HEART. D) CARRY OXYGEN RICH BLOOD TO THE HEART. Show Answer Correct Answer: B) CARRY OXYGEN RICH BLOOD AWAY FROM THE HEART. 9. The main function of the circulatory system is A) To give the body structure and support. B) Excrete hormones. C) Transport blood, nutrients, and gases throughout the body. D) To transport messages from the body to the brain. Show Answer Correct Answer: C) Transport blood, nutrients, and gases throughout the body. 10. They are the receiving chambers of blood from the veins. A) Atria. B) Ventricles. Show Answer Correct Answer: A) Atria. 11. Which one is the largest artery? A) Pulmonary artery. B) Renal artery. C) Hepatic artery. D) Aorta. Show Answer Correct Answer: D) Aorta. 12. When blood is deoxygenated, the first chamber of the heart it enters is the A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: A) Right atrium. 13. Which major artery carries oxygenated blood throughout the body? A) Pulmonary artery. B) Coronary artery. C) Aorta. D) Inferior vena cava. Show Answer Correct Answer: C) Aorta. 14. What is a flap of tissue that prevents blood from flowing backward? A) Epiglottis. B) Esophagus. C) Valve. D) Septum. Show Answer Correct Answer: C) Valve. 15. The 3 main functions of the Circulatory System A) Break down food, remove waste, make blood cells. B) React to stimuli, grow, adapt. C) Deliver materials, remove waste, and fight infection. D) None of above. Show Answer Correct Answer: C) Deliver materials, remove waste, and fight infection. 16. What is the role of platelets in the blood? A) Transporting oxygen. B) Fighting infections. C) Helping with blood clotting. D) Carrying nutrients and waste. Show Answer Correct Answer: C) Helping with blood clotting. 17. Protein in red blood cells that binds to oxygen A) Hemoglobin. B) Hypertension. C) Lymph. D) Atrium. Show Answer Correct Answer: A) Hemoglobin. 18. The pulmonary vein carries blood from the ..... to the ..... atrium. A) Heart/right. B) Lungs/right. C) Lungs/left. D) Heart/left. Show Answer Correct Answer: C) Lungs/left. 19. Which of the following is NOT part of the circulatory system? A) Heart. B) Blood. C) Blood Vessels. D) 206 bones. Show Answer Correct Answer: D) 206 bones. 20. Blood from right ventricle goes to ..... A) Lung. B) Left ventricle. C) Right atrium. D) Left atrium. Show Answer Correct Answer: A) Lung. ← 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