This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 503 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 503 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What causes the "lub-dub" sounds of the heartbeat? A) Pressure as the ventricles contract. B) A-V valves opening. C) Relaxation of the atria. D) Alternating closing of A-V and semilunar valves. Show Answer Correct Answer: D) Alternating closing of A-V and semilunar valves. 2. What helps keep fluid from leaking out of blood vessels? A) Antibodies. B) Albumin. C) Aglobin. D) None of above. Show Answer Correct Answer: B) Albumin. 3. The upper receiving chambers of the heart are called A) Atria. B) Ventricles. C) Pulmonary. D) Coronary. Show Answer Correct Answer: A) Atria. 4. ..... are muscular, thick-waled, and elastic blood vessels. They carry blood away from the heart to the different part of the body. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 5. What blood type is the universal receiver? A) A. B) AB. C) O. D) B. Show Answer Correct Answer: B) AB. 6. ..... are structures that close to prevent blood from going backwards. A) Ventricles. B) Valves. C) Veins. D) Arteries. Show Answer Correct Answer: B) Valves. 7. Valve between the left atrium and the left ventricle. A) Tricuspid valve. B) Mitral valve. C) Pulmonary valve. D) Aortic valve. Show Answer Correct Answer: B) Mitral valve. 8. When the heart beats, the right atrium squeezes blood down the right side of the heart A) Heart. B) Left ventricle. C) Right ventricle. D) Lungs. Show Answer Correct Answer: C) Right ventricle. 9. To hold back; block A) Amble/O. B) Thromb/o. C) Ish/o. D) Scler/o. Show Answer Correct Answer: C) Ish/o. 10. What type of blood vessel is the site of gas exchange where the exchange of gases, nutrients, and wastes occurs? A) Artery. B) Capillary. C) Vein. D) Pulse. Show Answer Correct Answer: B) Capillary. 11. Tonsillitis A) Cardiovascular system. B) Lymphatic system. Show Answer Correct Answer: B) Lymphatic system. 12. Which is NOT a main function of the circulatory system? A) It transports carbon dioxide back to the lungs. B) It delivers nutrients from food. C) Connects all the cells in the body. D) It carries oxygen throughout the body. Show Answer Correct Answer: C) Connects all the cells in the body. 13. The heart valve consists of 2 leaflets and is located between the atrium and the left ventricle, namely..... A) Aortic semilunar valve. B) Tricuspid atrioventricular valve. C) Pulmonary semilunar valve. D) Bicuspid atrioventricular valve. Show Answer Correct Answer: D) Bicuspid atrioventricular valve. 14. The smallest blod vessel is ..... A) Artery. B) Venous. C) Arterioles. D) Capillary. Show Answer Correct Answer: D) Capillary. 15. The movement of blood throughout the body. A) Circulation. B) Heart. C) Vein. D) Artery. Show Answer Correct Answer: A) Circulation. 16. How to take care? A) Hydrate. B) Do not smoke. C) Consume vitamin D. D) None of above. Show Answer Correct Answer: B) Do not smoke. 17. Capillaries merge together to make these vessels before heading back to the heart. * A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: C) Veins. 18. Which circulatory disorder indicates an underlying coronary artery condition? A) Pulmonary edema. B) TIA. C) Angina pectoris. D) CVA. Show Answer Correct Answer: C) Angina pectoris. 19. The pulse rate is a measurement of the heart rate, or the number of times the heart beats per minute. A) True. B) False. Show Answer Correct Answer: A) True. 20. Which blood group is considered the universal donor? A) O+. B) B+. C) A+. D) AB+. Show Answer Correct Answer: A) O+. ← 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