This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 75 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 75 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is the narrowing of the arteries due to plaque build up. A) Angina Pectoris. B) Atherosclerosis. C) Coronary Thrombosis. D) Hypertension. Show Answer Correct Answer: B) Atherosclerosis. 2. In which blood vessels does nutrient and gas delivery take place? A) Veins. B) Venules. C) Arterioles. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 3. The system of blood vessels and organs that transports blood to all the cells in the body A) Respiratory system. B) Nervous system. C) Digestive system. D) Circulatory system. Show Answer Correct Answer: D) Circulatory system. 4. When heart malfunctions cause sudden death to an adult or infant. A) Blood Clot. B) SADS/SIDS. C) Aneurysm. D) Atrial Septal Defect. E) Aortic Stenosis. Show Answer Correct Answer: B) SADS/SIDS. 5. What is the purpose of an AED (Automated External Defibrillator) in the context of cardiac arrest? A) To administer medication to the patient. B) To measure the blood pressure. C) To provide oxygen to the patient. D) To restore the heart's normal rhythm by delivering an electric shock. Show Answer Correct Answer: D) To restore the heart's normal rhythm by delivering an electric shock. 6. What is the flag of China? A) . B) . C) . D) . Show Answer Correct Answer: A) . 7. True or false? Pulse is not caused by the expanding and narrowing of the artery walls. A) True. B) False. Show Answer Correct Answer: B) False. 8. ..... pumps out the blood to the body and lungs. A) Right & Left Atrium. B) Right & Left Ventricles. Show Answer Correct Answer: B) Right & Left Ventricles. 9. Your friend has pain, edema and redness in the lower leg. What would cause those symptoms? A) Congestive heart failure. B) Myocardial infarction. C) Leukemia. D) Phlebitis. Show Answer Correct Answer: D) Phlebitis. 10. The circulation where the flow of blood goes to all body tissues except heart and lungs is the A) Coronary circulation. B) Systemic circulation. C) Pulmonary circulation. D) Capillaries. Show Answer Correct Answer: B) Systemic circulation. 11. ..... are the two lower chambers of the heart A) Auricles. B) Atria. C) Ventricles. D) None of above. Show Answer Correct Answer: C) Ventricles. 12. Platelets are cell fragments that A) Help your blood clot. B) Carry oxygen in the blood. C) Fight infection. D) Exchanges gases in the lungs. Show Answer Correct Answer: A) Help your blood clot. 13. What takes up more than half of the blood's volume? A) Red blood cells. B) Plasma. C) Platelets. D) None of above. Show Answer Correct Answer: B) Plasma. 14. Which shows the correct order of digestion? A) Mouth, pharynx, stomach, small intestines, esophagus. B) Pharynx, esophagus, stomach, small intestines, large intestines. C) Mouth, esophagus, large intestines, stomach, small intestines,. D) Stomach, large intestines, esophagus, small intestines. Show Answer Correct Answer: B) Pharynx, esophagus, stomach, small intestines, large intestines. 15. Capillaries: A) CARRY BLOOD AWAY FROM THE HEART. B) CARRY BLOOD TOWARDS THE HEART. C) CONNECT ARTERIES AND VEINS. D) None of above. Show Answer Correct Answer: C) CONNECT ARTERIES AND VEINS. 16. The circulatory system carries oxygen from the lungs to other cells in the body and removes ..... A) Carbon dioxide. B) Helium. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: A) Carbon dioxide. 17. Types of Vessels A) Engulf, ingest, pathogens. B) Arteries, Veins, Capillaries. C) Endothelium, muscle, veins. D) None of above. Show Answer Correct Answer: B) Arteries, Veins, Capillaries. 18. Blood that leaves the body is ..... A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: B) Deoxygenated. 19. Hemoglobin is a protein in red blood cells that ..... A) Helps carry lipids. B) Helps carry oxygen. C) Helps carry DNA. D) Helps carry nitrogenous waste. Show Answer Correct Answer: B) Helps carry oxygen. 20. Purpose of the heart A) Connects arteries and veins. B) Pumps blood to all the cells. C) Carries blood away from the heart. D) Carries blood towards the heart. Show Answer Correct Answer: B) Pumps blood to all the cells. ← 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