This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 335 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 335 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hardening of the arteries due to plaque. A) Atherosclerosis. B) Myocardial infarction. C) Arrhythmia. D) High blood pressure. Show Answer Correct Answer: A) Atherosclerosis. 2. Blood pressure is measured using ..... numbers. A) 2. B) 4. C) 3. D) 6. Show Answer Correct Answer: A) 2. 3. Freshly oxygenated blood is delivered to the ..... and then it passes into the ..... to be pumped to the entire body. A) Right ventricle; right atrium. B) Left ventricle; left atrium. C) Left atrium; left ventricle. D) Right atrium; right ventricle. Show Answer Correct Answer: C) Left atrium; left ventricle. 4. This type of organism performs all of life processes within a single cell. A) Unicellular. B) Multicellular. Show Answer Correct Answer: A) Unicellular. 5. ..... squirt the blood out. A) Aorta. B) Chamber. C) Atria. D) Ventricles. Show Answer Correct Answer: D) Ventricles. 6. Iron-rich protein molecules that releases the oxygen when red blood cells enter the capillaries and come into close contact with body cells A) Platelets. B) Haemoglobin. C) White blood cells. D) Plasma. Show Answer Correct Answer: B) Haemoglobin. 7. What carries oxygenated blood? A) Veins. B) Arteries. Show Answer Correct Answer: B) Arteries. 8. Which system circulates between the heart and the body? A) Systemic. B) Pulmonary. C) Systolic. D) Diastolic. Show Answer Correct Answer: A) Systemic. 9. This valve directs blood into the aorta A) Tricuspid valve. B) Mitral (bicuspid) valve. C) Aortic valve. D) Pulmonary valve. Show Answer Correct Answer: C) Aortic valve. 10. The brachial artery is found in the A) Head/neck. B) Chest. C) Arms. D) Legs. Show Answer Correct Answer: C) Arms. 11. Which part of the heart separates left side and the right side of the heart A) Valves. B) Arteries. C) Septum. D) None of the above. Show Answer Correct Answer: C) Septum. 12. Blood leaves your hear in ..... A) Arteries. B) Capillaries. C) Vessels. D) Veins. Show Answer Correct Answer: A) Arteries. 13. ..... (is) are the liquid part of the blood. A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 14. How many atria are there? A) 1. B) 7. C) 2. D) 4. Show Answer Correct Answer: C) 2. 15. What do Red-Blood cells do? A) Carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungs. B) Keeps blood flowing in one direction to the heart and prevent blood from flowing backward. C) Collects blood from the capillaries and drain it into the veins. D) Bring nutrients to the cells and carries away waste materials. Show Answer Correct Answer: A) Carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungs. 16. The Blood Vessels where the exchange of Oxygen and CO2 (carbon dioxide) takes place are the ..... A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 17. A ventricle is a part of the heart that ..... blood. A) Pumps. B) Shoots. C) Stores. D) Receives. Show Answer Correct Answer: A) Pumps. 18. Arteries carry oxygenated and deoxygenated blood away from the heart. A) True. B) False. Show Answer Correct Answer: A) True. 19. Location of sinoatrial node: A) Myocardium of interatrial septum. B) Boundary of right atrium and superior vena cava. Show Answer Correct Answer: B) Boundary of right atrium and superior vena cava. 20. Anemia could be caused by a lack of: A) Monocytes. B) Thrombocytes. C) Hemoglobin. D) Plasma. Show Answer Correct Answer: C) Hemoglobin. ← 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