This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 257 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 257 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The narrowing of the arteries due to plaque buildup is called A) Thrombosis. B) Arthritis. C) Atherosclerosis. D) Embolism. Show Answer Correct Answer: C) Atherosclerosis. 2. Who was the first person to understand how blood circulates through our body? A) Karl Landsteiner. B) George McCarver. C) Ulysses S. Grant. D) William Harvey. Show Answer Correct Answer: D) William Harvey. 3. Which of the following is NOT an organ of the circulatory system? A) Small Intestine. B) Heart. C) Arteries. D) Capillaries. Show Answer Correct Answer: A) Small Intestine. 4. The phase of the cardiac cycle in which the heart contracts and pumps blood is called A) Diastole. B) Systole. C) Blood pressure. D) None of above. Show Answer Correct Answer: B) Systole. 5. Teacher Bee goes for his annual health check at the hospital. Can measure pressure 107/76 What do the numbers mean? A) 107 Maximum pressure value when the heart contracts. B) 107 The pressure value while the pulse is beating. C) 76 blood pressure values when the heart contracts. D) 76 lowest blood pressure value while pulse beats. Show Answer Correct Answer: A) 107 Maximum pressure value when the heart contracts. 6. The molecule in red blood cells that carry oxygen. A) Leukosite. B) Erythrocyte. C) Hemoglobin. D) Fibrinogen. Show Answer Correct Answer: C) Hemoglobin. 7. What are the 3 main types of blood vessels? A) Capillaries, veins, aortas. B) Capillaries, arteries, platelets. C) Capillaries, veins, platelets. D) Capillaries, veins, arteries. Show Answer Correct Answer: D) Capillaries, veins, arteries. 8. How is blood pressure created A) Force of blood against artery wall. B) Force of blood in the heart. C) Force of blood in the lungs. D) Force of blood in the goodwin. Show Answer Correct Answer: A) Force of blood against artery wall. 9. Identify one way to determine a person's heart rates. A) Put a hand on the heart to measure pulse. B) Put a thumb on the wrist to measure pulse. C) Put a thumb on the neck to measure pulse. D) Put two fingers on the wrist to measure pulse. Show Answer Correct Answer: D) Put two fingers on the wrist to measure pulse. 10. Which part of the blood carries oxygen from the lungs and transports it to the body parts and removes carbon dioxide and other wastes? A) Plasma. B) RBC. C) WBC. D) Platelets. Show Answer Correct Answer: B) RBC. 11. Tubes in the body through which blood flows. A) Blood vessels. B) Blood ventricles. C) Blood valves. D) Blood velocity. Show Answer Correct Answer: A) Blood vessels. 12. ..... blood flows through the vein. A) Purified. B) Unpurified. C) Oxygenated. D) Deoxygenated. Show Answer Correct Answer: D) Deoxygenated. 13. What side of the heart receives blood back from the body and sends it to the lungs to be recharged with oxygen? A) The upper side. B) The lower side. C) The right side. D) The left side. Show Answer Correct Answer: C) The right side. 14. A major function of the lymphatic system is to drain body fluids and return them to the bloodstream. A) True. B) False. Show Answer Correct Answer: A) True. 15. Chemical substance that regulates body functions A) Aorta. B) Hemoglobin. C) Hormone. D) Platelet. Show Answer Correct Answer: C) Hormone. 16. A person with Type A blood needs a blood transfusion. Which blood types are safe to provide to her? A) A blood only. B) A and O blood. C) B and O blood. D) O blood only. Show Answer Correct Answer: B) A and O blood. 17. Stimulate or inhibit body functions A) Regulatory substances. B) Blood vessels. C) Arteries. D) Arterioles. E) Arterioles. Show Answer Correct Answer: A) Regulatory substances. 18. Function Of Valves are: A) To prevent back flow of blood. B) To separate chambers of heart. C) To prevent mixing of deoxygenated and oxygenated blood. D) None of the Above. Show Answer Correct Answer: A) To prevent back flow of blood. 19. Which of the following would be least likely to be found in lymph tissue? A) WBC. B) RBC. C) Fatty acid. D) Proteins. Show Answer Correct Answer: B) RBC. 20. The vessel which passed by blood from the heart toward the whole body parts is called ..... A) Vein. B) Blood vessel. C) Artery. D) Capillary. Show Answer Correct Answer: C) Artery. ← 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