This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 659 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 659 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Tubes that carry blood throughout the body A) Heart. B) Nutrients. C) Blood vessels. D) None of above. Show Answer Correct Answer: C) Blood vessels. 2. Blood in the right atrium: A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: B) Deoxygenated. 3. The blood vessel that has the largest diameter is A) Vein. B) Artery. C) Capillary. D) None of above. Show Answer Correct Answer: A) Vein. 4. Which blood cell that can detect the germs? A) Red blood cell. B) White blood cell. C) Blue blood cell. D) None of above. Show Answer Correct Answer: B) White blood cell. 5. Blood coming from the body organs carries A) Oxygen. B) Carbon dioxide. C) Both. D) None of above. Show Answer Correct Answer: B) Carbon dioxide. 6. What problems cause a heart murmur? A) Faulty valves. B) High BP. C) Low BP. D) High chloestrol. Show Answer Correct Answer: A) Faulty valves. 7. Which types of blood vessels bring blood back to the heart? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 8. Coronary circulation supplies blood to itself. A) True. B) False. Show Answer Correct Answer: A) True. 9. Currently, the country is experiencing the outbreak of the coronavirus. Which of the following structures in our body are responsible for resisting the coronavirus and not causing harm to our bodies? A) Blood juice. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: C) White blood cells. 10. Which of the following is NOT in our blood? A) Red Blood Cells. B) Blue Blood Cells. C) Platelets. D) White Blood Cells. Show Answer Correct Answer: B) Blue Blood Cells. 11. Which disease of the circulatory system causes backwards flow of blood? A) Myocardial Infarction. B) High Blood Pressure. C) Atherosclerosis. D) Prolapsed Valve. E) Arrhythmia. Show Answer Correct Answer: D) Prolapsed Valve. 12. TRUE or FALSEArtery is the blood vessel in the wrist. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 13. Brings blood to the heart from the upper portion of the body. A) Pulmonary artery. B) Superior vena cava. C) Pulmonary vein. D) Inferior vena cava. Show Answer Correct Answer: B) Superior vena cava. 14. The lower two chambers through which blood leaves the heart are the A) Atria. B) Ventricles. C) Septum. D) Aorta. Show Answer Correct Answer: B) Ventricles. 15. This is the only type of cell in the blood that has a nucleus: A) Erythrocyte. B) Red blood cell. C) White blood cell. D) Platelet. Show Answer Correct Answer: C) White blood cell. 16. Location of atrioventricular node A) Myocardium of interatrial septum. B) Boundary of right atrium and superior vena cava. Show Answer Correct Answer: A) Myocardium of interatrial septum. 17. In the diagram, which color shows arteries? Which shows veins? Why are these colors used? A) Arteries>>> red Veins>>> blue Blood is red when it has oxygen and blue when it doesn't. B) Arteries>>> red Veins>>> blue Blood is blue when it has oxygen and red when it doesn't. Show Answer Correct Answer: A) Arteries>>> red Veins>>> blue Blood is red when it has oxygen and blue when it doesn't. 18. The two tubes that branch off from the trachea and go to the lungs are called the bronchi. A) True. B) False. Show Answer Correct Answer: A) True. 19. Cardiac muscle cells receive oxygen and nutrients from ..... A) Blood that reaches the atria. B) Blood that reaches the ventricles. C) Blood that is coming from coronary arteries. D) Blood that is coming from vena cave. Show Answer Correct Answer: C) Blood that is coming from coronary arteries. 20. Blood is made up of ..... main components A) 2. B) 3. C) 4. D) 1. Show Answer Correct Answer: C) 4. ← 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