This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 323 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 323 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The leukocyte above is responsible for releasing histamines, which dilate blood vessels during an allergic attack. It is categorized as a(n) ..... and is called a ..... cell. A) Granulocyte, lymphocyte. B) Agranulocyte, monocyte. C) Granulocyte, basophil. D) Agranulocyte, eosinophil. Show Answer Correct Answer: C) Granulocyte, basophil. 2. What unique features of veins help move blood back to the heart? A) Valves. B) Venule. C) Capillary. D) Arteriole. Show Answer Correct Answer: A) Valves. 3. Tachycardia A) State of fast heart. B) Surgical repair of a vessel. C) State of slow heart. D) Record of heart electricity. Show Answer Correct Answer: A) State of fast heart. 4. This is the attachment site of cardiac muscles and valves. A) Cardiac skeleton. B) Cardiovascular skeleton. C) Impulse Conducting System. D) Cardiovascular Conducting System. Show Answer Correct Answer: A) Cardiac skeleton. 5. Where does the exchange of materials between the body and the blood occurs? A) Valves. B) Capillaries. C) Bones. D) None of above. Show Answer Correct Answer: B) Capillaries. 6. Why are white blood cells important to the human body? A) They work to destroy viruses and bacteria that can cause illness. B) They hold the oxygen until it is delivered to places in the body. C) White blood cells are not as important as red blood cells. D) They carry blood away from the heart. Show Answer Correct Answer: A) They work to destroy viruses and bacteria that can cause illness. 7. The cell fragments that help with blood clotting are called A) Red blood cells. B) Leukocytes. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 8. Where does your heart send oxygen? A) To lungs only. B) To head only. C) To different parts of your body. D) To foot only. Show Answer Correct Answer: C) To different parts of your body. 9. Identify the type of blood vessel described:A blood vessel that has thick walls and carries blood away from the heart. A) Vein. B) Artery. C) Capillary. D) None of above. Show Answer Correct Answer: B) Artery. 10. What waste gas does blood pick up from the body cells and transport to the lungs A) Oxygen. B) Carbon dioxide. Show Answer Correct Answer: B) Carbon dioxide. 11. The left ventricle has thicker wall than the right ventricle. A) True. B) False. Show Answer Correct Answer: A) True. 12. Contained in blood vessels and consists of red blood cells, white blood cells, and platelets suspended in a fluid medium known as plasma A) Blood. B) Hemoglobin. C) Neutrophil. D) Erythropoiesis. E) Erythropoiesis. Show Answer Correct Answer: A) Blood. 13. What is the primary function of lymphocytes? A) Phagocytize damaged cells. B) Produce enzymes that dissolve blood cells. C) Release substances that initiate blood clots. D) Act against foreign bodies. Show Answer Correct Answer: D) Act against foreign bodies. 14. What blood type is the universal recipient? A) O+. B) O-. C) AB+. D) AB-. Show Answer Correct Answer: C) AB+. 15. During a biology class, Abigail asked the teacher, 'What is the movement of deoxygenated blood from the heart and into the lungs called?' A) Pulmonary circulation. B) Systemic circulation. C) Cardiac circulation. D) Pulmonary ventilation. Show Answer Correct Answer: A) Pulmonary circulation. 16. Plasma is the liquid part of the blood A) True. B) False. Show Answer Correct Answer: A) True. 17. The human body is made up of organ systems that work together as one unit. Which systems work together to prepare and distribute food for cells? A) Digestive and circulatory. B) Digestive and endocrine. C) Nervous and respiratory. D) Nervous and excretory. Show Answer Correct Answer: A) Digestive and circulatory. 18. These Y shaped cells destroy the pathogens A) Basophil. B) Mast cells. C) Antibodies. D) Osteocytes. Show Answer Correct Answer: C) Antibodies. 19. Which of these is not a function of blood A) Transport of oxygen and carbon dioxide. B) Transport of digested food. C) Filtering of excretory material. D) Distribution of heat. Show Answer Correct Answer: C) Filtering of excretory material. 20. Where are the pacemaker cells found? A) Right atrium. B) Right ventricle. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: A) Right atrium. ← 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