This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 417 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 417 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hairlike structures that line the nasal cavities and trachea are called A) Capillaries. B) Bronchi. C) Cilia. D) Mucus. Show Answer Correct Answer: C) Cilia. 2. What is the systole? A) When the atrioventricular valves open and the ventricles relax. B) When you have a heart attack. C) When the ventricles contract and pump blood into the aorta and pulmonary artery. D) When the heart stop working and no blood is being sent there. Show Answer Correct Answer: C) When the ventricles contract and pump blood into the aorta and pulmonary artery. 3. The liquid part of your blood. A) White blood cells. B) Plasma. C) Platelets. D) Red blood cells. Show Answer Correct Answer: B) Plasma. 4. These are flap like structures that prevent blood from flowing back to the body parts. A) Veins. B) Capillaries. C) Valves. D) None of the above. Show Answer Correct Answer: C) Valves. 5. The Arteries are A) Thick. B) Thin. C) Small. D) None of above. Show Answer Correct Answer: A) Thick. 6. What is the function of the femoral veins? A) Transport blood to the inferior vena cava. B) Transport blood to the lungs. C) What are the femoral veins?. D) None of above. Show Answer Correct Answer: A) Transport blood to the inferior vena cava. 7. Jorge has a cold but feels well enough to study with his friends Lisa and Jin. Lisa and Jin become sick. Which term describes Jorge's condition when he was studying with his friends? A) Noninfectious. B) Contagious. C) Immune. D) Deadly. Show Answer Correct Answer: B) Contagious. 8. What part of the electrical conduction system of the heart is nicknamed the pacemaker? A) Sinoatrial Node. B) Atrioventricular Node. C) Purkinje Fibers. D) Bundle of His. Show Answer Correct Answer: A) Sinoatrial Node. 9. What is the structure of capillaries that allows them to exchange substances with cells? A) Thick walls with several layers. B) Permeable walls that allow easy diffusion. C) Large lumen for high blood pressure. D) Strong and elastic walls. Show Answer Correct Answer: B) Permeable walls that allow easy diffusion. 10. When considering the elements found within blood. Which would be most useful for a marathon runner: A) Red blood cells. B) Water. C) White blood cells. D) Plasma. E) Platelets. Show Answer Correct Answer: A) Red blood cells. 11. A condition of a saclike formation in the wall of an artery is? A) Anemia. B) Embolus. C) Aneurysms. D) Basophils. Show Answer Correct Answer: C) Aneurysms. 12. In one day, how many galleons of blood does your heart pump? A) 20 galleons of blood. B) 100 galleons of blood. C) 1, 000 galleons of blood. D) 2, 000 galleons of blood. Show Answer Correct Answer: D) 2, 000 galleons of blood. 13. Which of the following are fragments of cells that help form blood clots to stop bleeding? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) None of above. Show Answer Correct Answer: C) Platelets. 14. Respiratory System A) Intakes oxygen into the blood and carbon dioxide out of the body. B) A large dome shaped muscle that plays an important role in breathing. C) Smaller branches of the bronchi, located in the lungs. D) Movement of air into and out of the lungs. Show Answer Correct Answer: A) Intakes oxygen into the blood and carbon dioxide out of the body. 15. Contraction of the left ventricle pushes blood toward A) The pulmonary vein. B) The aorta artery. C) The pulmonary artery. D) None of above. Show Answer Correct Answer: B) The aorta artery. 16. Condition that occurs when an artery in the brain is blocked, cutting off the blood supply to part of the brain A) Stroke. B) Hypertension. C) Cell metabolism. D) Atherosclerosis. Show Answer Correct Answer: A) Stroke. 17. What chamber of the heart pumps blood to the left ventricle? A) Left Atrium. B) Left Ventricle. C) Right Atrium. D) Right Ventricle. Show Answer Correct Answer: A) Left Atrium. 18. What organ is responsible for the absorption of water and movement of waste? A) Large intestine. B) Small intestine. C) Stomach. D) Oral cavity. Show Answer Correct Answer: A) Large intestine. 19. Can be found on the surface of RBC A) Antigens. B) Antibodies. C) Rhesus Factor. D) Heptin. Show Answer Correct Answer: A) Antigens. 20. The heart is made of which of the following types of muscles? A) Cardiac muscle. B) Striated muscle. C) Smooth muscle. D) None of the above. Show Answer Correct Answer: A) Cardiac muscle. ← 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