This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 219 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 219 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Buildup of fat deposits on the artery walls A) Atherosclerosis. B) Coronary artery. C) Heart attack. D) Pulmonary artery. Show Answer Correct Answer: A) Atherosclerosis. 2. The right side of the heart pumps blood through the pulmonary circuit to/from the ..... A) Heart. B) Lungs. C) Brain. D) Kidneys. Show Answer Correct Answer: B) Lungs. 3. What is the largest artery that comes from the heart? A) Aorta. B) Vena Cava. C) Quadriceps. D) Lungs. Show Answer Correct Answer: A) Aorta. 4. What is blood pressure? A) Blood pressure is the force of blood against the walls of the arteries as the heart pumps it around the body. B) Blood pressure is the temperature of the blood. C) Blood pressure is the speed at which blood flows through the veins. D) Blood pressure is the amount of blood in the body. Show Answer Correct Answer: A) Blood pressure is the force of blood against the walls of the arteries as the heart pumps it around the body. 5. ..... blood group is called the universal donor A) A. B) B. C) AB. D) O. Show Answer Correct Answer: D) O. 6. What are antigens? A) White blood cells. B) Foreign substances in the blood. C) Proteins embedded in the surface of a cell. D) Red blood cells. Show Answer Correct Answer: C) Proteins embedded in the surface of a cell. 7. The double circulatory system is advantageous for active animals since, while in the single circulatory system the blood pressure is limited by the delicate nature of the tiny capillaries in the gills, in the double circulatory system the blood pressure can be high in the systemic circuit while remaining low and safe in the pulmonary circuit. A) True. B) False. Show Answer Correct Answer: A) True. 8. Which of the following components of blood is responsible for fighting off pathogens and antigens? A) Plasma. B) Erythrocytes. C) Leukocytes. D) Platelets. Show Answer Correct Answer: C) Leukocytes. 9. The part of blood that fights disease is ..... A) Red blood cells. B) White blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: B) White blood cells. 10. The smaller of the heart chambers are the ..... A) Atria. B) Ventricles. C) Valves. D) Iron. Show Answer Correct Answer: A) Atria. 11. Blood types are determined by the presence or absence of ..... on your red blood cells. A) ANTIGENS. B) ANTIBODIES. C) PLASMA PROTEINS. D) PLATELETS. Show Answer Correct Answer: A) ANTIGENS. 12. Letter I is known as the A) Right Ventricle. B) Left Ventricle. C) Right Atrium. D) Left Atrium. Show Answer Correct Answer: D) Left Atrium. 13. Which way does the blood flow through arteries? A) Into the heart. B) Away from the heart. Show Answer Correct Answer: B) Away from the heart. 14. The heart is a ..... muscular organ. A) Strong solid. B) Strong hollow. C) Weak solid. D) Weak hollow. Show Answer Correct Answer: B) Strong hollow. 15. Where does the exchange of oxygen and nutrients take place in the circulatory system? A) Veins. B) Capillaries. C) Arteries. D) Lungs. Show Answer Correct Answer: B) Capillaries. 16. Which of the following accurately defines blood pressure? A) Force exerted by blood on walls of arteries. B) Speed at which the heart beats. C) Rhythmic dilation of an artery. D) Proportion of blood components. Show Answer Correct Answer: A) Force exerted by blood on walls of arteries. 17. What vein or artery pumps blood to the legs A) Aorta. B) Superior vena cava. C) Inferior vena cava. D) None of above. Show Answer Correct Answer: C) Inferior vena cava. 18. What are the main 4 organs for the circulatory system A) Platelets, veins, capillaries, arteries. B) Heart, plasma, valve, vein. C) Heart, Artery, Capillaries, vein. D) Vena cava, Aorta, ventricle, Valve. Show Answer Correct Answer: C) Heart, Artery, Capillaries, vein. 19. The type of blood vessel where exchange of gases, nutrients, and wastes occurs? A) Arteries. B) Capillaries. C) Veins. D) No correct answer. Show Answer Correct Answer: B) Capillaries. 20. What would happen if blood volume drops significantly? A) An increase in blood oxygen. B) An increase in blood viscosity. C) A decrease in blood pressure. D) A decrease in blood pH. Show Answer Correct Answer: C) A decrease in blood pressure. ← 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