This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 151 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 151 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When blood flows from the LEFT side of the heart to the rest of the body, this is called A) Pulmonary circulation. B) Digestive circulation. C) Systemic circulation. D) Cardiac circulation. Show Answer Correct Answer: C) Systemic circulation. 2. What is the name of the blood vessel that bring oxygen poor blood to the heart? A) Artery. B) Capillary. C) Vein. D) None of above. Show Answer Correct Answer: C) Vein. 3. Smallest blood cell. irregularly shape cell fragments A) Red blood cells. B) White blood cells. C) Platelets. D) None of above. Show Answer Correct Answer: C) Platelets. 4. The main function(s) of the skin is to: ..... A) Hold in water. B) Protect from infection. C) Provide the sense of touch. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. The teeth and tongue of the oral cavity break foodstuff down physically. This is an example of A) Mechanical digestion. B) Chemical digestion. C) Absorption. D) Peristalsis. Show Answer Correct Answer: A) Mechanical digestion. 6. I carry oxygenated blood AWAY from the heart to the working muscles A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 7. Following a transient ischemic attack, diagnostic studies showed that the patient had a bulging vessel in the brain that had leaked. The patient was diagnosed with A) Coronary artery disease. B) Varicose veins. C) An aneurysm. D) Peripheral vascular disease. Show Answer Correct Answer: C) An aneurysm. 8. I have found the number that occurs the most in my data set. I have found the ..... A) Mean. B) Median. C) Mode. D) Range. Show Answer Correct Answer: C) Mode. 9. Thickest walled chamber of the heart. A) Left atrium. B) Right ventricle. C) Left ventricle. D) Right atrium. Show Answer Correct Answer: C) Left ventricle. 10. What do you call the largest Artery? A) Aorta. B) Capillary. C) Arterioles. D) Pulmonary Artery. Show Answer Correct Answer: A) Aorta. 11. Pulmonary Artery A) Carries oxygenated blood to atrium. B) Carries deoxygenated blood to lungs. C) Carries oxygenated blood to lungs. D) None of the above. Show Answer Correct Answer: B) Carries deoxygenated blood to lungs. 12. Superior vena cava brings blood from ..... of the body. A) Upper. B) Both. C) Lower. D) None of these. Show Answer Correct Answer: A) Upper. 13. Which of the following statements best describes hemoglobin? A) An iron-containing protein that binds with oxygen and carbon dioxide. B) A mineral that makes bones hard and strong. C) A protein in the connective tissue of bones which provides them with a certain degree of flexibility. D) The liquid component of blood. Show Answer Correct Answer: A) An iron-containing protein that binds with oxygen and carbon dioxide. 14. What is the scientific term used for windpipe? A) Lungs. B) Esophagus. C) Trachea. D) All of these. Show Answer Correct Answer: C) Trachea. 15. What is the liquid that the heart pumps through out the body called? A) Blood. B) Water. C) Oxygen. D) None of above. Show Answer Correct Answer: A) Blood. 16. The Circulatory System doesn't protect the body against disease and infection. A) False. B) True. Show Answer Correct Answer: A) False. 17. What antigens are present in B- A) A. B) B. C) Rh. D) None. Show Answer Correct Answer: B) B. 18. What is the main job of the red blood cells in the blood? A) To fight disease. B) To clot blood. C) To transport oxygen to the body's cells and carry away carbon dioxide from the cells. D) To transport carbon dioxide to the body's cells and carry away oxygen from the cells. Show Answer Correct Answer: C) To transport oxygen to the body's cells and carry away carbon dioxide from the cells. 19. Amphibians have ..... ventricle(s) A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: A) One. 20. Fish is an example of A) Vertebrate animal. B) Invertebrate animal. Show Answer Correct Answer: A) Vertebrate animal. ← 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