This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 515 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 515 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the word part Ather/o mean? A) Yellowish, fatty plague. B) Green mucus. C) Red blood. D) Heart muscle. Show Answer Correct Answer: A) Yellowish, fatty plague. 2. Study of blood is A) Ornithology. B) Zoology. C) Hematology. D) None. Show Answer Correct Answer: C) Hematology. 3. Which features of companion cells are essential to their function?1 They are connected by plasmadesmata to the sieve tube elements.2 They have a thinner cell wall than a sieve tube element.3 They contain a nucleus and mitochondria. A) A 1, 2 and 3. B) B 1 and 2 only. C) C 1 and 3 only. D) D 2 and 3 only. Show Answer Correct Answer: C) C 1 and 3 only. 4. Outer surface of the heart A) Epicardium. B) Endocardium. C) Heart. D) Superior vena cava. E) Superior vena cava. Show Answer Correct Answer: A) Epicardium. 5. Your ..... moves food from your mouth to your stomach. A) Large intestine. B) Small intestine. C) Colon. D) Esophagus. Show Answer Correct Answer: D) Esophagus. 6. A device used to measure blood pressure is called A) Stethescope. B) Calorimeter. C) EKG. D) Sphygmomanometer. Show Answer Correct Answer: D) Sphygmomanometer. 7. Which correctly traces the path of oxygenated blood through the heart A) From the body Superior Vena Cava-right atrium-right ventricle-pulmonary artery. B) Pulmonary Vein-left atrium-left ventricle-aorta to the body. C) Left ventricle-right atrium-inferior vena cava-aorta. D) Pulmonary Vein-to body-to lungs. Show Answer Correct Answer: B) Pulmonary Vein-left atrium-left ventricle-aorta to the body. 8. Blood is stopped by ..... to make sure the right amount goes in and out of the lungs A) Stoppers. B) Veins. C) Valves. D) Arteries. Show Answer Correct Answer: C) Valves. 9. A person with Type B blood has ..... antibodies in the plasma. A) A. B) B. C) Both A and B. D) None. Show Answer Correct Answer: A) A. 10. What does the right atrium do to deoxygenated blood? A) Squeezes down into the ventricle. B) Replaces carbon dioxide with oxygen. C) Pumps into the aorta. D) Wait What?!. Show Answer Correct Answer: A) Squeezes down into the ventricle. 11. The right and left ventricles are separtated longitudinally by the ..... A) Myocardium. B) Superior vena cava. C) Septum. D) Coronary. Show Answer Correct Answer: C) Septum. 12. A set of things that work together as a whole A) Organism. B) Tissue. C) Organ. D) System. Show Answer Correct Answer: D) System. 13. Which blood component is responsible for helping the blood to clot when it flows outside the body? A) Red blood cells. B) Platelets. C) White blood cells. D) Plasma. Show Answer Correct Answer: B) Platelets. 14. What are the two main divisions of the nervous system? A) The brain and spinal cord. B) The central nervous and peripheral nervous system. C) The neurons and the dendrites. D) The cerebrum and the medulla. Show Answer Correct Answer: B) The central nervous and peripheral nervous system. 15. How long is the blood vessel A) 60, 000. B) 100, 000. C) 5000. D) 4000. Show Answer Correct Answer: A) 60, 000. 16. The beginning of the respiratory system that warms and moistens the air. A) Trachea. B) Nose. C) Bronchi. D) Diaphragm. Show Answer Correct Answer: B) Nose. 17. Which of the descriptions about the semilunar valve is wrong? A) They are located in the blood vessels. B) They have three flaps. C) They contain heart tendons. D) They prevent backflow of blood to ventricles. Show Answer Correct Answer: C) They contain heart tendons. 18. This chamber of the heart pumps the blood back out to the body cells through the Aorta A) Right Atrium. B) Left Atrium. C) Right Ventricle. D) Left Ventricle. Show Answer Correct Answer: D) Left Ventricle. 19. Blood cells are also Referred as ..... A) Erythrocytes. B) Leucocytes. C) Thrombocytes. D) Corpuscles. Show Answer Correct Answer: D) Corpuscles. 20. What is the main function of plasma in the circulatory system? A) Transporting glucose. B) Transporting lipids. C) Transporting amino acids. D) All of the above. Show Answer Correct Answer: D) 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