This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 494 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 494 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which vessels permit gas exchange? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 2. This word means blood vessels A) Cardio. B) Pulmonary. C) Vascular. D) Valve. Show Answer Correct Answer: C) Vascular. 3. Kai, Liam, and Scarlett found a fallen tree in the forest. They noticed that it was slowly breaking down. What type of organisms are responsible for this? A) Organisms that break down dead or decaying organic matter. B) Organisms that live in dead or decaying organic matter. C) Organisms that produce dead or decaying organic matter. D) Organisms that consume dead or decaying organic matter. Show Answer Correct Answer: A) Organisms that break down dead or decaying organic matter. 4. What are the four blood types? A) A. B) B. C) AB. D) O. E) All are correct. Show Answer Correct Answer: E) All are correct. 5. Well-developed Tunica Media & Adventitia; Prominent IEL & EEL A) Arterioles. B) Muscular arteries. C) Elastic arteries. D) None of above. Show Answer Correct Answer: B) Muscular arteries. 6. Diastolic Blood Pressure A) The force exerted by blood on arterial walls during ventricular relaxation. B) The force exerted by blood on arterial walls during ventricular contraction. C) Movement of blood through the vessels. D) Force that opposes the flow of a fluid. Show Answer Correct Answer: A) The force exerted by blood on arterial walls during ventricular relaxation. 7. What vessesls carry oxygenated blood away from the lungs and then the heart? A) Arteries. B) Veins. Show Answer Correct Answer: A) Arteries. 8. A network of arteries at the base of the brain that provide alternate routes for blood. A) Blood Vessel. B) Veins. C) Arteries. D) Circle of Willis. Show Answer Correct Answer: D) Circle of Willis. 9. A universal donor A) Type O. B) Type AB. C) Type B. D) Type A. Show Answer Correct Answer: A) Type O. 10. When protein is present Biuret turns ..... A) Purple. B) Blue-black. C) Orange. D) Brick red. Show Answer Correct Answer: A) Purple. 11. What is the heart compared to? A) An atom bomb. B) A bicycle. C) A time bomb. D) A bicycle pump. Show Answer Correct Answer: D) A bicycle pump. 12. What are the four blood types (without the + &-after them)? A) A, B, AB, C. B) A, B, C, D. C) A, B, AB, O. D) A, B, D, F. Show Answer Correct Answer: C) A, B, AB, O. 13. Which vessels maintain the highest blood pressure? A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: C) Arteries. 14. Which of the following carries oxygen to the different parts of the body? A) Arteries. B) Blood cells. C) Capillaries. D) Red blood cells. Show Answer Correct Answer: A) Arteries. 15. How to avoid lifestyle diseases A) Eat Junk food. B) Be lazy. C) Live a stress free lifestyle. D) Use a vehicle to a nearby place than walking or cycling. Show Answer Correct Answer: C) Live a stress free lifestyle. 16. The pacemaker of the heart is the ..... A) Because of the difference. B) AV node. C) Purkinje Fibers. D) Bundle branches. Show Answer Correct Answer: A) Because of the difference. 17. Gastrovascular system means..... A) The system acts as both circulatory and excretory system. B) The system acts as both digestive and circulatory system. A system that functions as both a digestive system and a circulatory system. C) Both. D) None is none. Show Answer Correct Answer: B) The system acts as both digestive and circulatory system. A system that functions as both a digestive system and a circulatory system. 18. Which of the following conditions is NOT commonly associated with aging A) Loss of elasticity in vessels. B) Progression of atherosclerosis. C) Heart valves stiffen. D) Decrease in blood pressure. Show Answer Correct Answer: D) Decrease in blood pressure. 19. This divides the heart into left and right halves. A) Septum. B) Valve. C) Cardium. D) Radius. Show Answer Correct Answer: A) Septum. 20. An average person's blood pressure is around 120/80. What does the "120" represent? A) Diastole, when the ventricles relax. B) Systole, when the ventricles relax. C) Diastole, when the ventricles contract. D) Systole, when the ventricles contract. Show Answer Correct Answer: D) Systole, when the ventricles contract. ← 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