This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 223 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 223 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. (circulatroy system)During this operation, your surgeon will cut down the midline of your chest, through your breastbone, to reach your heart, improves blood flow to your heart muscle and reduces angina. A) Coronary artery bypass graft surgery (CABG). B) Artificial pacemaker surgery. C) Thrombolytic therapy. D) None of above. Show Answer Correct Answer: A) Coronary artery bypass graft surgery (CABG). 2. When blood leaves the right ventricle where is it going? A) Body. B) Lungs. C) Spleen. D) Kidneys. Show Answer Correct Answer: B) Lungs. 3. The ..... fight bacteria and viruses. A) Red blood cells. B) Platelets. C) White blood cells. D) None of above. Show Answer Correct Answer: C) White blood cells. 4. The circulatory system has ..... main parts. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 5. The plasma that makes up most of our blood is mainly made up of ..... A) Cytoplasm. B) Nutrients. C) Waste. D) Water. Show Answer Correct Answer: D) Water. 6. Define Circulatory System. A) An organ system that permits blood to circulate and transport nutrients & oxygen to cells and also removes waste and carbon dioxide from all cells. B) An organ system that permits blood to circulate and transport only nutrients & oxygen. C) An organ system that permits blood to circulate and transport waste and carbon dioxide. D) None of these. Show Answer Correct Answer: A) An organ system that permits blood to circulate and transport nutrients & oxygen to cells and also removes waste and carbon dioxide from all cells. 7. How many parts are there to circulation in the circulatory system? A) 1 part. B) 2 parts. C) 3 parts. D) 4 parts. Show Answer Correct Answer: B) 2 parts. 8. Where is carbohydrase secreted A) Mouth (salivary glands). B) Stomach. C) Pancreas. D) Liver. Show Answer Correct Answer: C) Pancreas. 9. Increase in wind speed results in increased rate of transpiration because A) Increased wind speed helps to maintain high water vapour gradient across stomatal opening. B) Increased wind speed helps to keep the leaves moving, leading to increased evaporation of water. C) Increased wind speed increase the rate of photosynthesis. D) Increased wind speed increases the rate of stomatal opening. Show Answer Correct Answer: A) Increased wind speed helps to maintain high water vapour gradient across stomatal opening. 10. A structure that carries blood throughout the body? A) Blood Vessel. B) Pulse. C) Plaque. D) Stroke. Show Answer Correct Answer: A) Blood Vessel. 11. What eventually happens to fluid that leaks from capillaries into the surrounding tissues? A) It goes into the heart through the capillaries. B) Returns to the body by osmosis. C) Returns to the blood through the lymphatic system. D) Goes to the cells for hydration. Show Answer Correct Answer: C) Returns to the blood through the lymphatic system. 12. Which part receives oxygen-poor blood from the vena cava and sends it to the right ventricle? A) Tricuspid valve. B) An organ. C) Pulmonary artery. D) Right atrium. Show Answer Correct Answer: D) Right atrium. 13. Starting with the superior vena cava-the next stop would be A) Left atrium. B) Right atrium. C) Left ventricle. D) Inferior vena cava. Show Answer Correct Answer: B) Right atrium. 14. How many beats does the heart beat each day? A) 100, 000. B) 2, 000. C) 30, 000 to 40, 000. D) 750, 000. Show Answer Correct Answer: A) 100, 000. 15. ) RBC is produced in the bone marrow2.) Destroyed in the kidney and liver A) Both statements are true. B) Both statements are false. C) 1st statement is true, 2nd statement is false. D) 1st statement is false, 2nd statement is true. Show Answer Correct Answer: C) 1st statement is true, 2nd statement is false. 16. Blood in the inferior vena cava is A) High in oxygen, low in carbon dioxide. B) High in oxygen, high in carbon dioxide. C) Low in oxygen, low in carbon dioxide. D) Low in oxygen, high in carbon dioxide. Show Answer Correct Answer: D) Low in oxygen, high in carbon dioxide. 17. What is NOT part of your circulatory system? A) Heart. B) Lungs. C) Humorous Bone. D) None of above. Show Answer Correct Answer: C) Humorous Bone. 18. The ..... pumps blood to the lungs A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: C) Right ventricle. 19. ..... are materials that RESIST the flow of heat or thermal energy. A) Conductors. B) Insulators. Show Answer Correct Answer: B) Insulators. 20. The circulatory system works with the ..... system to deliver oxygen to all cells of the body. A) Skeletal. B) Muscular. C) Circulatory. D) Respiratory. Show Answer Correct Answer: D) Respiratory. ← 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