This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 328 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 328 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Universal blood donors have type ..... blood. A) A. B) AB. C) B. D) O. Show Answer Correct Answer: D) O. 2. Pulmonary artery:from A) Heart. B) Lungs. C) Aorta. D) Heart muscle cells. Show Answer Correct Answer: A) Heart. 3. The ventricles receive blood from the atrium and are the two lower chambers of the heart A) True. B) False. Show Answer Correct Answer: A) True. 4. Why is atherosclerosis especially serious when it develops in the coronary arteries? A) It can then go on the affect the aorta. B) It can make red blood cells die. C) It can lead to a heart attack. D) It can limit the functioning of white blood cells. Show Answer Correct Answer: C) It can lead to a heart attack. 5. The ..... is one of the heart's four chambers. A) Aorta. B) Vein. C) Artery. D) Atrium. Show Answer Correct Answer: D) Atrium. 6. Which is an example of a unicellular organism? A) Flower. B) Beetle. C) Dog. D) Algae. Show Answer Correct Answer: D) Algae. 7. Blood also helps in maintaining a constant body temperature of ..... A) 98.6 degree F. B) 97. 5 degree F. C) 92.4 degree F. D) 96.6 degree F. Show Answer Correct Answer: A) 98.6 degree F. 8. Which Part Of The Respiratory System Takes In Oxygen? A) Lung. B) Nose. C) Diaphragm. D) Windpipe. Show Answer Correct Answer: A) Lung. 9. Gas exchanged happens in two places ..... and ..... A) Oxygen and carbon dioxide. B) Cells and lungs. C) Lungs and heart. D) Arteries and veins. Show Answer Correct Answer: B) Cells and lungs. 10. The meaning in spanish of the word hemoglobin is A) Platelets. B) Hemoglobin. C) Antibodies. D) None of above. Show Answer Correct Answer: B) Hemoglobin. 11. Diastole means A) Contraction. B) Relaxation. Show Answer Correct Answer: B) Relaxation. 12. State the function of the aorta. A) To take oxygenated blood to the body. B) To take deoxygenated blood to the body. C) To take oxygenated blood to the lungs. D) To take deoxygenated blood to the lungs. Show Answer Correct Answer: A) To take oxygenated blood to the body. 13. The patient is unresponsive. How would you like to proceed A) Call for help. B) Look at the chest for movement. C) Check pulse. D) Start chest compression. Show Answer Correct Answer: A) Call for help. 14. It is a structure that separates the left and right ventricles. A) Pleura. B) Plasma. C) Septum. D) Valves. Show Answer Correct Answer: C) Septum. 15. What happens to your muscles when you move them? A) Your muscles become stronger. B) Your muscles feel good. C) Your muscles become tired. D) None of above. Show Answer Correct Answer: A) Your muscles become stronger. 16. Which factor makes your pulse rate change? A) Gender. B) Physical activity. C) Height. D) Complexion. Show Answer Correct Answer: B) Physical activity. 17. Each side of the heart has ..... A) Upper and lower chambers. B) Upper and lower lobes. C) Right and left chambers. D) Four chambers. Show Answer Correct Answer: A) Upper and lower chambers. 18. The ..... cells send electric currents to the heart and set the pace at which the heart beats. A) Pacemaker. B) Ventricle. C) Atrium. D) Valve. Show Answer Correct Answer: A) Pacemaker. 19. Which of this following is the characteristic of vein A) Have thicker wall. B) Composed of one layer of cells. C) Have many valves to keep blood flowing in one direction. D) We can feel the pulse. Show Answer Correct Answer: C) Have many valves to keep blood flowing in one direction. 20. What is happening when the heart cannot pump enough blood to meet the body's needs? A) Myocardial infarction. B) Congestive heart failure. C) Coronary artery disease. D) Hypertension. Show Answer Correct Answer: B) Congestive heart failure. ← 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