This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 243 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 243 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Contraction (of atria or ventricles) which forces BLOOD OUT A) Diastole. B) Systole. Show Answer Correct Answer: B) Systole. 2. Blood is rich in oxygen in the Aorta. A) True. B) False. Show Answer Correct Answer: A) True. 3. Muscles cannot move without this A) Carbon dioxide. B) Platelets. C) Plasma. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 4. What is the largest artery in the human body that originates from the left ventricle of the heart? A) Aorta. B) Pulmonary artery. C) Coronary artery. D) Carotid artery. Show Answer Correct Answer: A) Aorta. 5. The vessels in the circulatory system where the exchange of gas takes place are the? A) Veins. B) Aorta. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 6. Which blood vessels is the exepition that carries oxygenated blood? A) Pulmonary artery. B) Pulmonary vein. Show Answer Correct Answer: B) Pulmonary vein. 7. Where does the blood go immediately after it exits the right ventricle? A) Pulmonary vein. B) Pulmonary artery. C) Aorta. D) Vena cava. Show Answer Correct Answer: B) Pulmonary artery. 8. ..... have thick elastic walls. A) Arteries. B) Veins. C) Capillaries. D) Heart. Show Answer Correct Answer: A) Arteries. 9. Match each section of the respiratory system to its characteristics or definition Larynx A) Flap of skin to cover when you swallow. B) Pushes air through the voice box. C) Moves air down ( Tube in back of the mouth). D) Air enters and tissues moisten the air. Show Answer Correct Answer: B) Pushes air through the voice box. 10. Oxygenated blood pathway arrange steps from 1-7:mitral valve A) 3. B) 7. C) 5. D) 4. E) 6. Show Answer Correct Answer: D) 4. 11. Assertion-Ventricles have thicker walls than auricles. Reason-Ventricles are lower most chamber of heart A) Both Assertion and Reason are true and reason is the correct explanation of assertion. B) Both Assertion and Reason are true but reason is not the correct explanation of assertion. C) Assertion is true Reason is false. D) Both Assertion and Reason are false. Show Answer Correct Answer: C) Assertion is true Reason is false. 12. When the pulmonary valve opens, blood is pumped into which of the four chambers of the heart? A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: B) Left atrium. 13. In the neuron pictured what part is D pointing toward? A) Dendrites. B) Myeline Sheath. C) Axon Terminals. D) Axon. Show Answer Correct Answer: D) Axon. 14. The structure responsible for pumping blood throughout the body is A) The kidney. B) The stomach. C) The brain. D) The heart. Show Answer Correct Answer: D) The heart. 15. Regarding capillary exchange, nutrients come out of the venule end and waste come in the arteriole end of a capillary. A) True. B) False. Show Answer Correct Answer: B) False. 16. The upper chambers ..... the blood A) Pumps. B) Receives. Show Answer Correct Answer: B) Receives. 17. The human heart beats about ..... times a day. A) A1, 000. B) B10, 000. C) C100, 000. D) D1, 000, 000. Show Answer Correct Answer: C) C100, 000. 18. The chamber of the heart that receives oxygen poor blood from the other parts of the body A) Right Atrium. B) Left Ventricle. C) Right Ventricle. D) Left Atrium. Show Answer Correct Answer: A) Right Atrium. 19. What is the largest cell type in the blood (and least common)? A) Plasma. B) Platelets. C) White Blood cell (WBC). D) Red blood cell (RBC). Show Answer Correct Answer: C) White Blood cell (WBC). 20. Erythropoiesis occur in: ..... A) Red bone marrow. B) Kidney. C) Liver. D) Spleen. Show Answer Correct Answer: A) Red bone marrow. ← 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