This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 405 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 405 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the characteristic of red blood cells? A) Round, flat, concave in the middle, has a nucleus. B) Flat round, concave in the middle, no nucleus. C) They are larger than white blood cells. no nucleus. D) It is a small sheet without a nucleus to help carry oxygen. Show Answer Correct Answer: B) Flat round, concave in the middle, no nucleus. 2. About how many miles of blood vessels are in the average adult? A) 60, 000-100, 000 miles. B) 60-100 miles. C) 6-10 miles. D) Not even 1 mile. Show Answer Correct Answer: A) 60, 000-100, 000 miles. 3. The person having no antigens will be called the ..... A) Universal acceptor. B) Universal recipient. C) Universal donor. D) Universal receiver. Show Answer Correct Answer: C) Universal donor. 4. The pericardial sac lines which part of the heart? A) Outer. B) Inner. C) Down the middle. D) None of above. Show Answer Correct Answer: A) Outer. 5. The following statement is true or false: " Circulation is a vital life function. We need it to survive. A) True. B) False. Show Answer Correct Answer: A) True. 6. What is the function of the right atrium A) It gives of oxygen to the blood and transports it to the aorta. B) It receives blood low in oxygen from the body and then empties the blood into the right ventricle. C) It moves blood from the heart to different parts of the body. D) All of the above. Show Answer Correct Answer: B) It receives blood low in oxygen from the body and then empties the blood into the right ventricle. 7. What do lymphocytes do? A) Act against foreign bodies. B) Release substances that initiate blood clots. C) Produce enzymes that dissolve blood cells. D) Phagocytize damaged cells. Show Answer Correct Answer: A) Act against foreign bodies. 8. There are 3 types of circulatory system A) True. B) False. Show Answer Correct Answer: B) False. 9. If a patient has a higher level of white blood cells in their blood cell count, this can indicate ..... A) The patient has low oxygen levels. B) The patient has internal bleeding. C) The patient has an infection. D) The patient is healthy and does not have any issues. Show Answer Correct Answer: C) The patient has an infection. 10. A vessel that takes oxygenated blood away from the heart is known as ..... A) Vein. B) Capillary. C) Artery. D) None of above. Show Answer Correct Answer: C) Artery. 11. What is the largest artery in the systemic circuit? A) Pulmonary artery. B) Superior vena cava. C) Inferior vena cava. D) Aorta. Show Answer Correct Answer: D) Aorta. 12. The blood vessles that emerge from the heart are called ..... A) One. B) Arteries. C) White blood cell. D) Plasma. Show Answer Correct Answer: B) Arteries. 13. Which neurons carry messages from the brain to the body? A) Sensory neuron. B) Motor neuron. C) Interneuron. D) Afferent. Show Answer Correct Answer: B) Motor neuron. 14. Tiny blood vessels that are microscopic and where nutrients are absorbed. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 15. The circulatory system works with the ..... system to obtain energy from nutrients that we eat and deliver it to cells. A) Respiratory. B) Digestive. C) Skeletal. D) Nervous. Show Answer Correct Answer: B) Digestive. 16. The biggest artery in the circulatory system isthe ..... A) Aorta. B) Hepatic artery. C) Pulmonary artery. D) Renal artery. Show Answer Correct Answer: A) Aorta. 17. Superior vena cava-right atrium-Tricuspid valve-right ventricle-Pulmonary valve-pulmonary artery-?-Pulmonary veins-left atrium-mitral valve-left ventricle-aorta-rest of body A) LUNGS. B) CARDIAC CAPILLARY. C) JUDARY CHAMBER. D) LUNGAL VEINS. Show Answer Correct Answer: A) LUNGS. 18. White Blood Cells ..... infection A) Cause. B) Fight. C) Develop. D) Create. Show Answer Correct Answer: B) Fight. 19. Localized, balloon-like dilation of a blood vessel, usually an artery A) Fibrillation. B) Cardiomyopathy. C) Aneurysm. D) Flutter. Show Answer Correct Answer: C) Aneurysm. 20. ..... structures carry Deoxygenated blood to the heart A) Arteries. B) Veins. C) Capillaries. D) Vena cava. Show Answer Correct Answer: B) Veins. ← 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