This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 551 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 551 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the name of the artery in your wrist that can be used to find a pulse? A) Carotid artery. B) Radial artery. C) Ventricle artery. D) None of above. Show Answer Correct Answer: B) Radial artery. 2. Which chamber of the heart receives oxygen-rich blood from the lungs? A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: B) Left atrium. 3. What organs are in the upper respiratory tract? A) Nasal cavity, larynx, pharynx. B) Nasal cavity, larynx, pharynx, lungs. C) Nasal cavity, bronchi, lungs, diaphragm. D) Nasal cavity, pharynx, trachea, lungs, diaphragm. Show Answer Correct Answer: A) Nasal cavity, larynx, pharynx. 4. Oxygenated means: A) I carries oxygen. B) It does not carry oxygen. C) It needs energy. D) None of above. Show Answer Correct Answer: A) I carries oxygen. 5. Which blood vessels return blood to the heart? A) Arteries. B) Capillaries. C) Veins. D) All of the above. Show Answer Correct Answer: C) Veins. 6. Another name for platelets (help blood clot) A) Thrombocytes. B) Leukocytes. C) Wookieecytes. D) Erythrocytes. Show Answer Correct Answer: A) Thrombocytes. 7. What are the walls of your veins like? A) Extremely thin and leaky. B) Very thick and elastic. C) Thick and has valves. D) Very thick and inelastic. Show Answer Correct Answer: C) Thick and has valves. 8. What type of cell carries oxygen? A) Red Blood Cell. B) White Blood Cell. C) Neurons. D) Platelets. Show Answer Correct Answer: A) Red Blood Cell. 9. Which of the following path is correct starting from the collection of oxygen-poor blood? A) Left Atrium-Left Ventricle-Lungs-Right ventricle-Right Atrium-Body. B) Right atrium-Right ventricle-Lungs-Left atrium-left ventricle-Body. C) Lungs-left ventricle-left atrium-right ventricle-right atrium-body. D) Right atrium-left atrium-right ventricle-left ventricle-lungs-body. Show Answer Correct Answer: B) Right atrium-Right ventricle-Lungs-Left atrium-left ventricle-Body. 10. What is the name of the muscular middle layer of the heart? A) Myocardium. B) Pericardium. C) Endocardium. D) Septum. Show Answer Correct Answer: A) Myocardium. 11. Blood is made in your ..... A) Heart. B) Brain. C) Feet. D) Bones. Show Answer Correct Answer: D) Bones. 12. What is the order of levels of organization of the body from SMALLEST to Largest A) Cell, organ, tissue, organ system, organism. B) Organism, organ system, organ, tissue, cell. C) Cell, organ, tissue, organ system, organism. D) Cell, tissue, organ, organ systems, organism. Show Answer Correct Answer: D) Cell, tissue, organ, organ systems, organism. 13. The right side of the heart contains ..... A) Oxygenated Blood. B) De-oxygenated Blood. C) Both Oxygenated and De-oxygenated Blood. D) Water. Show Answer Correct Answer: B) De-oxygenated Blood. 14. What muscle separates the thorax from the abdomen during breathing? A) Abdominal muscles. B) Pectoral muscles. C) Intercostal muscles. D) Diaphragm. Show Answer Correct Answer: D) Diaphragm. 15. Which artery supplies blood to the right atrium and right ventricle of the heart? A) Left coronary artery. B) Right coronary artery. C) Anterior interventricular artery. D) Circumflex artery. Show Answer Correct Answer: B) Right coronary artery. 16. What is considered by doctors to be the "anatomical pacemaker" of the heart? A) Because of the difference. B) AV node. C) Purkinje Fibers. D) Bundle of His. E) Bundle branches. Show Answer Correct Answer: A) Because of the difference. 17. Subdivision of the PNS that controls involuntary activities, such as regulating cardiac and smooth muscle glands. A) Autonomic Nervous System. B) CNS. C) PNS. D) Somatic Nervous System. Show Answer Correct Answer: A) Autonomic Nervous System. 18. Arteries, veins, and capillaries are three types of ..... A) Heart. B) Blood vessels. C) Street. D) Cells. Show Answer Correct Answer: B) Blood vessels. 19. What tube connects the mouth to the stomach A) Trachea. B) Oesophagus. C) Small intestine. D) Large intestine. Show Answer Correct Answer: B) Oesophagus. 20. Right upper chamber of the heart. A) Right Atrium. B) Left Atrium. C) Right Ventricles. D) Left Ventricles. Show Answer Correct Answer: A) Right Atrium. ← 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