This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 147 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 147 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many chambers are present in the heart of fish A) 1. B) 3. C) 2. D) 4. Show Answer Correct Answer: C) 2. 2. The heart contains 4 chambers. Which answer is correct? A) One atrium is at the lower part of the heart, and one atrium is at the higher part of the heart. B) The two ventricles are at the upper part of the heart. C) There are 3 atriums at the upper part of the heart and 1 ventricle at the bottom part. D) The 2 atriums at the upper part of the heart and the 2 ventricles at the bottom part of the heart. Show Answer Correct Answer: D) The 2 atriums at the upper part of the heart and the 2 ventricles at the bottom part of the heart. 3. What gas is added to the blood cells and which gas is taken away in the lungs? A) Oxygen is added and carbon dioxide is removed. B) Carbon dioxide is added and oxygen is removed. C) Nitrogen is added and hydrogen is removed. D) Propane is added and methane is removed. Show Answer Correct Answer: A) Oxygen is added and carbon dioxide is removed. 4. Your circulatory system consists of your heart, blood vessels and blood. Your heart A) Pumps in waves. B) Starts and stops regularly to create a pulse. C) Pumps continuously to keep blood moving through the blood vessels. D) Is made to pump because your blood is moving around your body. Show Answer Correct Answer: C) Pumps continuously to keep blood moving through the blood vessels. 5. When might someone need a blood transfusion? A) They are anemic. B) They have leukemia. C) They were in an accident. D) All of these. Show Answer Correct Answer: D) All of these. 6. This node slows the process of depolarization so the ventricles can contract at the same time: A) Sinoatrial Node. B) Purkinje Fibers. C) Atrioventricular Node. D) Bachmann's Bundle. Show Answer Correct Answer: C) Atrioventricular Node. 7. Where is the mammalian heart beat initiated? A) AV Node. B) Left Atrium. C) Because of the difference. D) Purkinje tissue. Show Answer Correct Answer: C) Because of the difference. 8. Formation of blood clot necessary for healing wounds A) Red blood cell. B) White blood cell. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 9. Veins travel away from the heart. A) True. B) False. Show Answer Correct Answer: B) False. 10. Where is the heart located in a dog? A) In the dorsal thorax between the first and fourth ribs. B) In the ventral thorax between the third and sixth ribs. C) In the abdominal cavity near the liver. D) In the cranial thorax near the neck. Show Answer Correct Answer: B) In the ventral thorax between the third and sixth ribs. 11. The fluid-filled sac that covers the heart A) Pericardium. B) Epicardium. C) Myocardium. D) Endocardium. Show Answer Correct Answer: A) Pericardium. 12. ALL the veins carry blood with carbon dioxide. A) True. B) False. Show Answer Correct Answer: B) False. 13. The pale yellow fluid portion of whole blood that consists of water and its dissolved constituents including, sugars, lipids, metabolic waste products, amino acids, hormones, and vitamins. A) White Blood Cells. B) Red Blood Cells. C) Blood Plasma. D) Tissue Fluid. Show Answer Correct Answer: C) Blood Plasma. 14. The increase in pressure during systole forces the AV valves shut, causing the typical ..... sound. A) Lubb. B) DUBB. C) Snub. D) Flub. Show Answer Correct Answer: A) Lubb. 15. Where does the beating sound of the heart comes from? A) The blood that is being pumped from the heart. B) It is the clap of the valve leaflets of the heart opening and closing. C) It is the heart muscle itself while pumping. D) It is the sound produced when the heart hits the inside chest wall while pumping. Show Answer Correct Answer: B) It is the clap of the valve leaflets of the heart opening and closing. 16. Another name for the windpipe, this carries air from the larynx to the lungs and is covered in rings made of cartilage for protection. A) Pharynx. B) Trachea. C) Nose. D) None of above. Show Answer Correct Answer: B) Trachea. 17. This kind of cell attacks foreign cells (disease) and dead cells A) Erythrocytes. B) Leucocytes. C) Thrombocytes. D) Osteocytes. Show Answer Correct Answer: B) Leucocytes. 18. Right side is the "pump" for the A) Pulmonary circulation. B) Systemic circulation. Show Answer Correct Answer: A) Pulmonary circulation. 19. Which chamber of the heart releases oxygenated blood? A) Left ventricle. B) Right atrium. C) Right ventricle. D) None of above. Show Answer Correct Answer: A) Left ventricle. 20. Select the blood vessel that leaves the gut. A) Mesenteric artery. B) Mesenteric vein. C) Hepatic artery. D) Hepatic vein. E) Hepatic portal vein. Show Answer Correct Answer: E) Hepatic portal vein. ← 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