This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 162 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 162 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Caused by buildup of cholesterol and fats in the arterial wall. the fats narrows the artery which restrain blood flow through the heart A) Hypertension. B) Arteriosclerosis. C) Anemia. D) Varicose veins. Show Answer Correct Answer: B) Arteriosclerosis. 2. Vena cava A) Arteries (pulses). B) Venous Catheter (Back). Show Answer Correct Answer: B) Venous Catheter (Back). 3. Doctors use a device called an oscilloscope to hear your heart beating. A) True. B) False. Show Answer Correct Answer: B) False. 4. Which component of blood is responsible for clotting and preventing excessive bleeding? A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 5. Some of the components of the blood of a mammal are listed. 1. Fibrinogen2. White blood cells3. Platelets4. AntibodiesWhich two of these components are involved in attacking bacteria and other foreign organisms that cause diseases? A) 1 and 2. B) 2 and 3. C) 1 and 3. D) 2 and 4. Show Answer Correct Answer: D) 2 and 4. 6. The ..... side of your heart pumps oxygen-rich blood around the rest of your body. A) Left. B) Right. Show Answer Correct Answer: A) Left. 7. In terms of being open or closed, what is the state of the mitral and tricuspid valves (left and right atrioventricular valves, respectively) at the end of the first heart sound? A) Mitral is closed, tricuspid is open. B) Mitral is open, tricuspid is closed. C) Both are open. D) Both are closed. Show Answer Correct Answer: D) Both are closed. 8. Mechanisms enable water molecules to move upwards in xylem vessels..... A) Root pressure. B) Transpiration. C) Tensile strength of water The attractive forces of water molecules. D) All the above పైవన్నీ. Show Answer Correct Answer: D) All the above పైవన్నీ. 9. Prevent backflow of blood A) Valves. B) Pulse. C) Septum. D) Heart disease. Show Answer Correct Answer: A) Valves. 10. The trachea is a tube that divides into two smaller tubes called ..... A) Bronchi. B) Nostrils. C) Lungs. D) None of above. Show Answer Correct Answer: A) Bronchi. 11. In blood circulation, from right ventricle blood will travel to capillary in lung. after that blood will enters which chamber in the heart? A) Right atrium. B) Right ventricle. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: C) Left atrium. 12. Which of the following is a definition of tissue fluid? A) It is plasma that leaks out of the arterioles. B) It is plasma, without its proteins, that leaks out of the blood capillaries and bathe the body tissues. C) It is a fluid that is secreted by blood vessels to bathe the body tissues. D) It is the water found in our bodies. Show Answer Correct Answer: B) It is plasma, without its proteins, that leaks out of the blood capillaries and bathe the body tissues. 13. What is the structure that surrounds the heart? A) Pericardium, a single-layered membrane. B) Pleura, a double-layered sheet of tissue. C) Pericardium, a double-layered membrane. D) Peritoneum. Show Answer Correct Answer: C) Pericardium, a double-layered membrane. 14. Force exerted by circulating blood on the walls of blood vessels A) Blood pressure. B) Arteriosclerosis. C) Atherosclerosis. D) Aneurysm. E) Aneurysm. Show Answer Correct Answer: A) Blood pressure. 15. Oxygenated blood is lighter/darker/same in colour as deoxygenated blood A) Lighter. B) Darker. C) Same. D) None of above. Show Answer Correct Answer: A) Lighter. 16. What is the small blood vessels where oxygen and nutrients are EXCHANGED out with the waste of carbon dioxide? A) Capillaries. B) Veins. C) Vanes. D) Arteries. Show Answer Correct Answer: A) Capillaries. 17. Which component of blood is responsible for transporting gases? A) Red blood cells. B) White blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: A) Red blood cells. 18. Circulating hormones This includes..... A) Blood function (6). B) Blood components. Show Answer Correct Answer: A) Blood function (6). 19. Your heart is a ..... organ. A) Tiny. B) Muscular. C) Useless. D) Digestive system. Show Answer Correct Answer: B) Muscular. 20. What pumps blood through the body? A) Blood Vessels. B) Heart. C) Blood. D) None of above. Show Answer Correct Answer: B) Heart. ← 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