This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 37 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 37 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Trachea A) Air passageway; has cartilage rings to help keep the air passage open as air rushes in; branches into right/left bronchi. B) Movement of blood through vessels to and from the lungs. C) Vessel that carries blood toward the heart. D) One of the two lower chambers of the heart through which blood exits. Show Answer Correct Answer: A) Air passageway; has cartilage rings to help keep the air passage open as air rushes in; branches into right/left bronchi. 2. White blood cells engulf bacteria in a process called: A) Leveling. B) Phagocytosis. C) Active transport. D) Passive transport. Show Answer Correct Answer: B) Phagocytosis. 3. How many chambers of the heart are there? A) 2. B) 3. C) 4. D) 5. E) The heart doesn't have chambers. Show Answer Correct Answer: C) 4. 4. I am the blood vessels that gets nutrients & oxygen from the arteries for the cells. * A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 5. Dilation, expansion of veins A) Phlebitis. B) Venovaricus. C) Phlebostenosis. D) Venectasis. Show Answer Correct Answer: D) Venectasis. 6. The heart is a ..... A) Bone. B) Muscle. C) Both. D) None of above. Show Answer Correct Answer: B) Muscle. 7. Volume of blood (both red blood cells and plasma) in the circulatory system of any individual. A) Blood volume. B) Blood viscosity. C) Blood pressure. D) Blood type. Show Answer Correct Answer: A) Blood volume. 8. ..... are tubes that carry blood back to the heart from the rest of the body. A) Pump. B) Animals. C) Windpipe. D) Veins. Show Answer Correct Answer: D) Veins. 9. What connects our veins to our arteries? A) Valves. B) Capillaries. C) Cells. D) Chamber. Show Answer Correct Answer: B) Capillaries. 10. Chamber of the heart that receives deoxygenated blood from the body A) Left atrium. B) Left ventricle. C) Right atrium. D) Right ventricle. Show Answer Correct Answer: C) Right atrium. 11. What is the correct formula for cardiac output? A) CO = Stroke Volume + Heart Rate. B) CO = Stroke Volume / Heart Rate. C) CO = Stroke Volume x Heart Rate. D) CO = Stroke Volume-Heart Rate. Show Answer Correct Answer: C) CO = Stroke Volume x Heart Rate. 12. Pulmonary vein carries ..... from the lungs to the heart. A) Oxygenated blood. B) Deoxygenated blood. Show Answer Correct Answer: A) Oxygenated blood. 13. A blood vessel that carries blood away from the heart is called ..... A) Artery. B) Venule. C) Vein. D) Capillary. Show Answer Correct Answer: A) Artery. 14. Where does blood from the left ventricle go? A) The lungs. B) The heart. C) To the body. D) To the brain. Show Answer Correct Answer: C) To the body. 15. Also known as air sacs. It expands when we inhale and relaxes when we exhale. A) Alveoli. B) Bronchi. C) Bronchioles. D) Diaphragm. Show Answer Correct Answer: A) Alveoli. 16. The aorta is the largest artery in the pulmonary circuit. A) True. B) False. Show Answer Correct Answer: B) False. 17. What is the liquid part of blood called? A) Mucus. B) Plasma. C) Gel. D) Serum. Show Answer Correct Answer: B) Plasma. 18. People with pacemakers should avoid close contact with digital telephones. A) True. B) False. Show Answer Correct Answer: A) True. 19. Known as the voice box A) Windpipe. B) Larynx. C) Pharynx. D) Epiglottis. Show Answer Correct Answer: B) Larynx. 20. If I take my pulse for 10 seconds, what do I multiply it by to estimate my heart rate for one minute? A) 6. B) 10. C) 2. D) 4. Show Answer Correct Answer: A) 6. ← 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