This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 278 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 278 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of these is the muscle that pushes blood through the circulatory system? A) Heart. B) Lungs. C) Liver. D) Gallbladder. Show Answer Correct Answer: A) Heart. 2. Why can the shade of red vary for human blood? A) The shade of red varies based on how many white blood cells are in the blood. B) The shade of red varies based on how much oxygen is in the blood. C) The shade of red varies based of where the blood is coming from. D) Blood is blue and red. Show Answer Correct Answer: B) The shade of red varies based on how much oxygen is in the blood. 3. If a particular antigen is present in RBC, the corresponding antibody must be ..... in serum? A) Present. B) Absent. Show Answer Correct Answer: B) Absent. 4. Gas, nutrient, and waste exchange occur between the ..... and the tissues of the body. A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 5. Acts as an antibody. This includes aspects..... A) Erythrocytes (Red blood cells). B) Leukocytes (White blood cells). C) Blood plasma. D) Thrombocytes (Blood clots). Show Answer Correct Answer: B) Leukocytes (White blood cells). 6. What are the rhythmic muscular contractions of your esophagus called to help food move along? A) Swallowing. B) Peristalsis. C) Inertia contractions. D) Paralysis. Show Answer Correct Answer: B) Peristalsis. 7. The ..... receives blood from the superior vena cava. A) Left ventricle. B) The aorta. C) The inferior vena cava. D) The right atrium. Show Answer Correct Answer: D) The right atrium. 8. The chamber of the heart that receives deoxygenated blood as it returns from body cells is the ..... A) Right Atrium. B) Right Ventricle. C) Left Atrium. D) Right Ventricle. Show Answer Correct Answer: A) Right Atrium. 9. Which of the following protein is absent in blood plasma? A) Fibrinogen. B) Haemoglobin. C) Albumins. D) Globulins. Show Answer Correct Answer: B) Haemoglobin. 10. What body system transports nutrients, water and O2 to the body's cells? A) Outgrowths. B) Muscular. C) Respiratory. D) Circulatory. Show Answer Correct Answer: D) Circulatory. 11. Number of chambers in human heart A) 2. B) 3. C) 4. D) 1. Show Answer Correct Answer: C) 4. 12. The heart pump blood around the body in a: A) Triple circuit. B) Doble circuit. C) One circuit. D) None of above. Show Answer Correct Answer: B) Doble circuit. 13. What is a septum? A) Tissue that separates the right side from the left side of the brain. B) Tissue that separates the right side from the left side of the lung. C) Tissue that separates the right side from the left side of the heart. D) Tissue that separates the right side from the left side of the veins. Show Answer Correct Answer: C) Tissue that separates the right side from the left side of the heart. 14. The "windpipe" is also called the ..... A) Trachea. B) Bronchi. C) Bronchioles. D) Alveoli. Show Answer Correct Answer: A) Trachea. 15. Name the three main things that are transported by your blood A) Carbon Dioxide, Oxygen, Tissues. B) Nutrients, Blood Vessels, Oxygen. C) Waste, Oxygen, Nutrients. D) Cells, tissues, organs. Show Answer Correct Answer: C) Waste, Oxygen, Nutrients. 16. In the human circulatory system there are three blood vessels, namely arteries, veins and capillaries. The following statements relating to veins are..... A) Transports blood where blood O2 levels are high. B) The path leaves the heart. C) Transports blood where blood CO2 levels are high. D) Transports blood where blood levels of CO2 are high and its way to the heart. Show Answer Correct Answer: D) Transports blood where blood levels of CO2 are high and its way to the heart. 17. Which two components are critical for your heart muscle to function properly? A) ATP and lactic acid. B) Calcium and glucose. C) Glucose and oxygen. D) Carbon dioxide and oxygen. Show Answer Correct Answer: C) Glucose and oxygen. 18. ..... are the vessels at the ending of arteries and the beginning of veins. A) Aorta. B) Vena cava. C) Blood capillaries. D) None of above. Show Answer Correct Answer: C) Blood capillaries. 19. What is the correct flow of electrical current thru the heart? A) AV node, SA node, Bundle of His, purkinjie fibers. B) SA node, AV node, purkinjie fibers, Bundle of His. C) Bundle of His, SA node, AV node, purkinje fibers. D) SA node, AV node, Bundle of His, purkinje fibers. Show Answer Correct Answer: D) SA node, AV node, Bundle of His, purkinje fibers. 20. The blood vessels in your heart bring in nutrients and remove waste. A) True. B) False. Show Answer Correct Answer: A) True. ← 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