This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 214 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 214 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Red blood cells contain a protein called ....., which carries oxygen. White blood cells aid in protecting the body from foreign pathogens. Platelets initiate blood clotting. A) Hemoglobin. B) Antibody. C) Plasma. D) Cytoplasm. Show Answer Correct Answer: A) Hemoglobin. 2. If a person's blood pressure reading is 120/80, the "120" indicates the pressure during ..... and the "80" indicates the pressure during ..... A) Upper:lower. B) Higher:lower. C) Systole:diastole. D) Both a and b. Show Answer Correct Answer: C) Systole:diastole. 3. Arterioles are..... A) A strange form of donut. B) Small arteries. C) Arteries that exist in the kidney. D) Arteries that supply blood to the heart muscle. Show Answer Correct Answer: B) Small arteries. 4. Which is a function of the cardiovascular system? A) To move water throughout the body. B) To transport gases throughout the body. C) To eliminate waste from the body. D) To provide structural support for the body. Show Answer Correct Answer: B) To transport gases throughout the body. 5. Your heart is made up of what type of muscle? A) Artery. B) Cardiac. C) Vein. D) Smooth. Show Answer Correct Answer: B) Cardiac. 6. They connect arteries and veins A) Circulatory system. B) The lungs. C) The heart. D) The capillaries. Show Answer Correct Answer: D) The capillaries. 7. What is the division of the motor division of the PNS that is responsible for controlling activities that are involuntary or not under conscious control? A) Peripheral Nervous System. B) Sympathetic Nervous System. C) Autonomic Nervous System. D) Somatic Nervous System. Show Answer Correct Answer: C) Autonomic Nervous System. 8. Which is a major blood vessel that transports blood into the heart itself? A) Pulmonary veins. B) Coronary veins. C) Coronary artery. D) Septum. Show Answer Correct Answer: C) Coronary artery. 9. Which disorder is characterized by misshapen red blood cells? A) Hemophilia. B) Heart Attack. C) Atherosclerosis. D) Sickle Cell Anemia. Show Answer Correct Answer: D) Sickle Cell Anemia. 10. What type of blood enters the superior vena cava? A) Deoxygenated blood. B) Oxygenated blood. Show Answer Correct Answer: A) Deoxygenated blood. 11. A group of similar cells is called ..... A) Organs. B) System. C) Tissue. D) None of above. Show Answer Correct Answer: C) Tissue. 12. Where is the heart? A) Under your chest. B) Under your chest, slightly to the left. C) Under your chest, slightly to the right. D) In your stomach. Show Answer Correct Answer: B) Under your chest, slightly to the left. 13. What is the role of white blood cells in your blood? A) Carry oxygen. B) Provide immunity. C) Clot blood. D) Maintain blood pressure. Show Answer Correct Answer: B) Provide immunity. 14. The flow of blood to all tissues in the body, except the lungs and heart, is called ..... A) Coronary circulation. B) Pulmonary circulation. C) Systemic circulation. D) High blood pressure. Show Answer Correct Answer: C) Systemic circulation. 15. What is the function of the valve in the blood vessels? A) Allow rapid gaseous and chemical exchange between blood and cell by diffusion. B) Transport blood from heart to tissues. C) Prevent backflow of blood. D) Transport blood from tissue to heart. Show Answer Correct Answer: C) Prevent backflow of blood. 16. What is happening during Systole? A) Ventricles are relaxing. B) Ventricles are contracting. Show Answer Correct Answer: B) Ventricles are contracting. 17. Reduces friction between the parietal and visceral pericardium during contraction. A) Pericardial fluid. B) Serous fluid. C) Fibrous pericardium. D) Serous pericardium. Show Answer Correct Answer: A) Pericardial fluid. 18. The liquid part of the blood. A) Fibrin. B) Plasma. C) Platelet. D) Erythrocyte. Show Answer Correct Answer: B) Plasma. 19. The heart has ..... chambers. A) TWO. B) THREE. C) FOUR. D) None of above. Show Answer Correct Answer: C) FOUR. 20. What are platelets responsible for? A) Fighting diseases and infections. B) Carrying oxygen to the body. C) Clot/Join together to stop bleeding. D) Carrying signals to the brain. Show Answer Correct Answer: C) Clot/Join together to stop bleeding. ← 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