This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 218 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 218 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. From the lungs, the blood reenters the heart through the ..... A) Aorta. B) Vena cava. C) Pulmonary vein. D) Pulmonary artery. Show Answer Correct Answer: C) Pulmonary vein. 2. Which process in the human body releases heat? A) Photosynthesis. B) Cellular respiration. C) Heart filling. D) Vasoconstriction. Show Answer Correct Answer: B) Cellular respiration. 3. Which of the following contains deoxygenated blood? A) Left ventricle. B) Right ventricle. C) Pulmonary veins. D) Left common carotid artery. Show Answer Correct Answer: B) Right ventricle. 4. The contractions of the atria are stimulated by what node? A) On. B) OF. C) Bundle of HIS. D) Purkinje fibers. Show Answer Correct Answer: A) On. 5. Exercise makes your heartbeat ..... A) Faster. B) Slower. C) Constant. D) None of above. Show Answer Correct Answer: A) Faster. 6. The most outer layer of blood vessel is? A) Tunica adventitia. B) Tunica media. C) Intimate tunic. D) None of above. Show Answer Correct Answer: A) Tunica adventitia. 7. High blood pressure puts someone at a higher risk for ..... A) Heart Attack. B) Stroke. C) Hemophilia. D) Arrhythmia. Show Answer Correct Answer: B) Stroke. 8. The term bradycardia means: A) Fast heart rate. B) Slow heart rate. C) Normal heart rate. D) The absence of heart rate. Show Answer Correct Answer: B) Slow heart rate. 9. Which of the following statements is not a characteristic of arteries? A) The place where blood comes out of the heart. B) It is located in an area slightly deeper than the skin. C) Strong pressure. D) Carries blood to the heart. E) Carry oxygen. Show Answer Correct Answer: D) Carries blood to the heart. 10. Protein on the surface of red blood cells that can react with another person's immune system A) Antigen. B) Antibody. C) Platelets. D) Bronchus. Show Answer Correct Answer: A) Antigen. 11. The transport of nutrients within blood vessels is a function of which component of the blood? A) Red blood cells. B) White blood cells. C) Platelets. D) Blood juice. Show Answer Correct Answer: A) Red blood cells. 12. The lower chamber A) Atriums. B) Ventricles. C) No correct answer. D) None of above. Show Answer Correct Answer: B) Ventricles. 13. Midway along the capillary, ..... diffuse out of the capillary, and ..... diffuse into the capillary A) Oxygen and nutrients; red blood cells and plasma proteins. B) Oxygen and nutrients; carbon dioxide and wastes. C) Carbon dioxide and wastes; oxygen and nutrients. D) Red blood cells and plasma proteins; carbon dioxide and wastes;. Show Answer Correct Answer: B) Oxygen and nutrients; carbon dioxide and wastes. 14. Gas exchange occurs in two places, what are they? A) In the right atrium and in the lung cells. B) In the cells of the body and in the brain cells. C) In the lung cells and all the intraventricular septum. D) In the cells of body and in the lung cells. Show Answer Correct Answer: D) In the cells of body and in the lung cells. 15. If you are this blood type, you are considered a "universal recipient." A) O. B) A. C) O. D) AB. Show Answer Correct Answer: D) AB. 16. Select the correct order of the blood blow direction around the circulatory system A) Vena Cava, right atrium, right ventricle, lungs. left atrium, left ventricle aorta. B) Vena Cava, right ventricle, right atrium, lungs. left atrium, left ventricle aorta. C) Aorta, right atrium, right ventricle, lungs. left atrium, left ventricle, vena cava. D) Vena Cava, left atrium, left ventricle, lungs. right atrium, right ventricle aorta. Show Answer Correct Answer: A) Vena Cava, right atrium, right ventricle, lungs. left atrium, left ventricle aorta. 17. Which structure carries oxygen-depleted blood from the lower half of the body to the right atrium? A) SVC (Superior Vena Cava). B) IVC (Inferior Vena Cava). C) Aorta. D) Pulmonary Artery (Right). Show Answer Correct Answer: B) IVC (Inferior Vena Cava). 18. What is diastole? A) Ventricles filling. B) Ventricles pumping. C) Atria filling. D) A measure of heart rate. Show Answer Correct Answer: A) Ventricles filling. 19. What blood type is the "universal donor" meaning they can give blood to anyone? A) Type A. B) Type AB. C) Type B. D) Type O. Show Answer Correct Answer: D) Type O. 20. What is label "3" ? A) Left atrium. B) Aorta. C) Inferior vena cava. D) Left ventricle. E) Right atrium. Show Answer Correct Answer: A) Left 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