This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 527 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 527 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which valve is also known at the Mitral Valve A) Bicuspid. B) Tricuspid. C) Pulmonary Semilunar Valve. D) Aortic Semilunar Valve. Show Answer Correct Answer: A) Bicuspid. 2. This component of the blood is a mixture of water, sugar, fat, proteins, and salts. A) Plasma. B) RBC. C) WBC. D) Platelets. Show Answer Correct Answer: A) Plasma. 3. Why we need Erythrocytes? A) They destroy bacteria and viruses. B) They provide blood clotting. C) They carry oxygen. D) They digest the food. Show Answer Correct Answer: C) They carry oxygen. 4. Capillaries exchange oxygen between blood and body cells. A) True. B) False. Show Answer Correct Answer: A) True. 5. Which heart valve is responsible for controlling blood flow INTO the right ventricle? A) Tricuspid. B) Aortic. C) Pulmonary. D) None of above. Show Answer Correct Answer: A) Tricuspid. 6. What percentage of water is in the plasma of blood? A) 50%. B) 70%. C) 20%. D) 3%. Show Answer Correct Answer: B) 70%. 7. Blood will lose most of the oxygen through ..... A) Arteries. B) Veins. C) Capillaries. D) Lungs. Show Answer Correct Answer: C) Capillaries. 8. The fluid part of the blood is called as A) Nutrients. B) Plasma. C) Platelets. D) Hormones. Show Answer Correct Answer: B) Plasma. 9. What does the word "Pulmonary" tell us about a vessel? A) Attached to the heart. B) Attached to the lungs. C) Goes out to the body. D) Nothing. Show Answer Correct Answer: B) Attached to the lungs. 10. Which part of the blood is liquid form carrying nutrients around the body? A) White Blood Cells. B) Red Blood Cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 11. The system of ..... circulates oxygenated blood throughout the myocardium. * A) Pulmonary vessels. B) Accessory vessels. C) Coronary vessels. D) Nuclear vessels. Show Answer Correct Answer: C) Coronary vessels. 12. De oxygenated A) Brighter. B) Darker. Show Answer Correct Answer: B) Darker. 13. When a red stain is found at a crime scene three questions should be asked, which is false? A) Is it blood?. B) Is it human blood?. C) If it is human blood, can the blood be traced to a single person?. D) What is the spatter pattern?. Show Answer Correct Answer: D) What is the spatter pattern?. 14. Only one vein carries oxygen rich blood. It is the A) Pulmonary Artery. B) Aorta. C) Vena Cava. D) Pulmonary Vein. Show Answer Correct Answer: D) Pulmonary Vein. 15. Which part of the circulatory system carries blood with carbon dioxide back to the heart and lungs? A) Veins. B) Arteries. C) Capillaries. D) Ventricles. Show Answer Correct Answer: A) Veins. 16. Which part of the respiratory system is also called the windpipe? A) Larynx. B) Trachea. C) Bronchus. D) Pharynx. Show Answer Correct Answer: B) Trachea. 17. Arteries carry the blood? A) Too the heart. B) From the heart. C) Between blood vessels. D) None of above. Show Answer Correct Answer: B) From the heart. 18. The lower chambers of the heart consist of: A) The right and left atrium (blue). B) The right and left ventricle (orange). C) Superior vena cava (red). D) None of above. Show Answer Correct Answer: B) The right and left ventricle (orange). 19. What are the names of the heart's 4 main parts? A) The left and right ventricles, and the left and right atriums. B) The valves. Show Answer Correct Answer: A) The left and right ventricles, and the left and right atriums. 20. What is (are) the function(s) of blood? A) Transporting oxygen and nutrients to the lungs and tissues. B) Forming blood clots to prevent excess blood loss. C) Carrying specialized cells and antibodies that fight infection. D) Transporting heat around the body. E) All of the above. Show Answer Correct Answer: E) All of the above. ← 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