This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System โ Quiz 234 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 234 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of the heart valves? A) To separate deoxygenated and oxygenated blood. B) To help control the beats per minute. C) They serve no function. D) To prevent backwards flow of blood. Show Answer Correct Answer: D) To prevent backwards flow of blood. 2. For intracellular transportation, unicellular organisms depend upon movement of cytoplasm called ..... The name of that motion is ..... A) Browning movement. B) Brownian movement. C) Brown movement. D) All the above เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: B) Brownian movement. 3. The irregular pattern of the heart beating-it feels like the heart is 'racing'. A) Leukemia. B) Hemophilia. C) Tachycardia. D) None of above. Show Answer Correct Answer: C) Tachycardia. 4. Which chamber of the heart pumps deoxygenated blood? A) Right atrium. B) Right ventricle. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: B) Right ventricle. 5. The Pharynx is the muscle that moves the lungs A) True. B) False. Show Answer Correct Answer: B) False. 6. What is the pericardium? A) Pericardium. B) Periosteum. C) Mediastinum. D) Endosteum. Show Answer Correct Answer: A) Pericardium. 7. How is blood type determined? A) Presence/absence of antigens. B) Presence/absence of antibodies. C) Presence/absence of albumin. D) None of above. Show Answer Correct Answer: A) Presence/absence of antigens. 8. Which main circuit in the heart carries O2-depleted blood from heart to lungs A) Pulmonary. B) Systemic. Show Answer Correct Answer: A) Pulmonary. 9. The flap of tissue that covers the larynx so that food goes down the esophagus to the stomach and not down to the lungs is called the ..... A) Pharynx. B) Epiglottis. C) Alveoli. D) Bronchi. Show Answer Correct Answer: B) Epiglottis. 10. During a heart attack the heart stops pumping blood where as during a cardiac arrest the flow of blood is interrupted A) True. B) False. C) Dont Know. D) None of above. Show Answer Correct Answer: B) False. 11. -inferior vena cava is the largest veins. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 12. Which heart structure is also known as the mitral valve? A) Left atrium and right atrium. B) Tricuspid valve. C) Left ventricle and right ventricle. D) Bicuspid valve. Show Answer Correct Answer: D) Bicuspid valve. 13. Which cell(s) has/have a lobed nucleus? A) Red blood cells. B) Phagocytes. C) Lymphocytes. D) Blood platelets. Show Answer Correct Answer: B) Phagocytes. 14. Where is oxygen delivered, and carbon dioxide picked up by the blood cells? A) In the lungs. B) In the arteries. C) In the veins. D) In the capillaries. Show Answer Correct Answer: D) In the capillaries. 15. What type of circulation occurs between the heart and the rest of the body? A) Pumonary circulation. B) Systemic circulation. Show Answer Correct Answer: B) Systemic circulation. 16. After RBCs pick up CO2 from cells, where do they go to next? A) To the heart. B) To the brain. C) To the lung. D) To nose. Show Answer Correct Answer: A) To the heart. 17. Responsible for receiving blood from the veins leading to the heart, includes left and right atrium A) Atria. B) Pulmonary trunk. C) Aorta. D) Four pulmonary veins. Show Answer Correct Answer: A) Atria. 18. This is a clump of blood cells or plaque that is found circulating in the blood? A) Thrombus. B) Aneurysm. C) Embolus. D) Leukocyte. Show Answer Correct Answer: C) Embolus. 19. When you have a localized, blood-filled balloon-like bulge in the wall of a blood vessel. A) Blood Clot. B) SADS/SIDS. C) Aneurysm. D) Atrial Septal Defect. E) Aortic Stenosis. Show Answer Correct Answer: C) Aneurysm. 20. Your heart beats about how many times in a day ..... A) 1, 000. B) 10, 000. C) 100, 000. D) 1, 000, 000. Show Answer Correct Answer: C) 100, 000. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books