This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 646 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 646 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which statement best describes blood pressure? A) The force applied by the heart and amount of blood pumped determine blood pressure. B) It's normal and healthy to have extended periods of high blood pressure. C) Your blood pressure is higher when you sleep. D) Being nervous can decrease your blood pressure. Show Answer Correct Answer: A) The force applied by the heart and amount of blood pumped determine blood pressure. 2. Veins carry oxygen poor blood (deoxygenated) back to the heart. Is this true or false? A) False. B) True. Show Answer Correct Answer: B) True. 3. When the right ventricle contracts blood is pumped to what structure? A) Left Atrium. B) Pulmonary Artery. C) The body. D) None of above. Show Answer Correct Answer: B) Pulmonary Artery. 4. What is the original Color of veins? A) Blue and Red. B) Blue Only. C) Colorless. D) Red Only. Show Answer Correct Answer: B) Blue Only. 5. In this experiment, you must put your test tubes into a hot water bath A) Benedict's Test. B) Biuret Test. C) Iodine Test. D) Ethanol Emulsion Test. Show Answer Correct Answer: A) Benedict's Test. 6. Which part of the heart receives blood? A) Atria. B) Aorta. C) Ventricles. D) Pulmonary Artery. Show Answer Correct Answer: A) Atria. 7. Persons with type AB blood are sometimes referred to as universal donors. A) True. B) False. Show Answer Correct Answer: B) False. 8. Blood returns to the heart from the upper body via what vessel A) Pulmonary artery. B) Superior vena cava. C) Inferior vena cava. D) Aorta. Show Answer Correct Answer: B) Superior vena cava. 9. ..... carry blood away from the heart under ..... pressure and are the biggest of the blood vessels. A) Arteries / high. B) Vessels / low. C) Veins / low. D) None of above. Show Answer Correct Answer: A) Arteries / high. 10. True or false:veins are able to restrict or increase blood flow to certain organs A) True. B) False. Show Answer Correct Answer: B) False. 11. A type of vessel which is very narrow so blood pressure is high. A) Vein. B) Artery. C) Capillary. D) None of above. Show Answer Correct Answer: A) Vein. 12. Blood in the pulmonary veins: A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 13. The immune system fights diseases. The circulatory system pairs with the immune system because ..... A) Blood is made in the bones. B) Plasma carries nutrients. C) Red blood cells carry oxygen. D) White blood cells fight infection. Show Answer Correct Answer: D) White blood cells fight infection. 14. Tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged are ..... A) Bronchi. B) Alveoli. C) Larynx. D) Pharynx. Show Answer Correct Answer: B) Alveoli. 15. Your heart will beat about ..... times each day. A) 20. B) 16, 000. C) 115, 000. D) 1, 000, 000 (Million). Show Answer Correct Answer: C) 115, 000. 16. The two top chambers are right and left atrium. They receive blood entering the heart. A) True. B) False. Show Answer Correct Answer: A) True. 17. Give the plural of atrium. A) Atria. B) Court. C) Astro. D) Aterno. Show Answer Correct Answer: A) Atria. 18. The ..... carry the oxygen poor (depleted) blood back to the heart and lungs to get more oxygen. A) Capillaries. B) Veins. C) Arteries. D) Cardiac. Show Answer Correct Answer: B) Veins. 19. After passing through the heart oxygenated blood goes to where? A) Body cells. B) Lungs. Show Answer Correct Answer: A) Body cells. 20. Cardiac muscles are? A) Voluntary. B) Involuntary. Show Answer Correct Answer: B) Involuntary. ← 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