This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 358 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 358 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The muscular wall that separates the left and right side of the heart is known as: A) Semilunar valve. B) Aorta. C) Septum. D) Veins. Show Answer Correct Answer: C) Septum. 2. Which valve is located between the right atrium and the right ventricle? A) Pulmonary valve. B) Aortic valve. C) Bicuspid valve. D) Tricuspid valve. Show Answer Correct Answer: D) Tricuspid valve. 3. There are three basic parts of the Circulatory System:the heart, the arteries and the blood. A) TRUE. B) FALSE . Show Answer Correct Answer: B) FALSE . 4. COMPONENTS OF THE BLOOD:Liquid part of blood. A) Red blood cells. B) Plasma. C) Platelets. D) White blood cells. Show Answer Correct Answer: B) Plasma. 5. It is the organ that pump blood through the blood vessels. A) Brain. B) Stomach. C) Skin. D) Heart. Show Answer Correct Answer: D) Heart. 6. What blood type is the universal donor (can donate to any blood type)? A) O+. B) O-. C) AB+. D) AB-. Show Answer Correct Answer: B) O-. 7. Which have narrow lumen? A) Arteries. B) Veins. Show Answer Correct Answer: A) Arteries. 8. Blood vessels in your skin can widen (dilate) or contract (constrict) to help your body A) Grow faster. B) Breathe better. C) Digest food. D) Regulate body temperature. Show Answer Correct Answer: D) Regulate body temperature. 9. Dilation of coronary arteries ..... blood flow. A) Decreases. B) Regulates. C) Stops. D) Increases. Show Answer Correct Answer: D) Increases. 10. The human circulatory system comprises ..... A) Blood and blood vessels only. B) Blood vessels and heart only. C) Heart, blood vessels, and blood. D) Heart, liver, and spleen. Show Answer Correct Answer: C) Heart, blood vessels, and blood. 11. Is the Average of 70 mL of blood pumped out the ventricle per systole A) Cardiac Cycle. B) Heart Rate. C) Stroke Volume. D) Cardiac Output. Show Answer Correct Answer: C) Stroke Volume. 12. If someone has type A blood, what type of antibodies are in their blood? A) A. B) B. C) Both A and B. D) None. Show Answer Correct Answer: B) B. 13. Which structures filter and moisten air as it passes through the human respiratory system? A) Cilia and mucous membranes. B) Alveoli and cartilage rings. C) Diaphragm and bronchioles. D) Epiglottis and bronchi. Show Answer Correct Answer: A) Cilia and mucous membranes. 14. Where does the blood circulation begin? A) In the heart. B) In the lungs. C) In the brain. D) In the arms. Show Answer Correct Answer: A) In the heart. 15. Function of the valves is A) To direct the flow of blood. B) To regulate blood pressure. C) To clot blood. D) None of the above. Show Answer Correct Answer: A) To direct the flow of blood. 16. True or false:tissues work together to do a main job in the body A) True. B) False. Show Answer Correct Answer: A) True. 17. What function does the heart have? A) Protects organs and produces red blood cells. B) Generates heat. C) Breaks down food into nutrients. D) Acts as a pump to move blood around the body. Show Answer Correct Answer: D) Acts as a pump to move blood around the body. 18. Which of the following is not a circulatory fluid? A) Lymph. B) Synovial fluid. C) Blood. D) Tissue fluid. Show Answer Correct Answer: B) Synovial fluid. 19. The blood vessel that carries oxygenated blood to heart muscles A) Renal artery. B) Mesenteric artery. C) Coronary artery. D) Pulmonary artery. Show Answer Correct Answer: C) Coronary artery. 20. When do valves close A) To allow blood to flow into the heart. B) To allow blood to flow away from the heart. C) To allow blood to flow into the lung. D) To allow blood to flow away from the lung. Show Answer Correct Answer: B) To allow blood to flow away from the heart. ← 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