This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 411 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 411 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The major veins inside the elbow and often used for drawing blood are: A) Superior vena cava and azygos. B) Jugular and inferior vena cava. C) Saphenous and cephalic. D) Cephalic and median cubital. Show Answer Correct Answer: D) Cephalic and median cubital. 2. Relation between pulse rate and heart beat rate ..... A) Slightly differs. B) Slightly resembles. C) Equal to each other. D) Unequal to eachother. Show Answer Correct Answer: C) Equal to each other. 3. What DOES NOT happen when the heart ages? A) The heart gets smaller. B) It increases its strength of contractions. C) The cardiac out put decreases. D) The valves loose some flexibility. Show Answer Correct Answer: B) It increases its strength of contractions. 4. A tumor of the lymph tissue ..... A) Leukemia. B) Angioma. C) Lymphoma. D) Lymphocyte. Show Answer Correct Answer: C) Lymphoma. 5. Oxygen deprived blood enters the heart through the A) Right ventricle. B) Left ventricle. C) Right atrium. D) Left atrium. Show Answer Correct Answer: C) Right atrium. 6. Structure that prevents blood from flowing backwards in the circulatory system A) Atrium. B) Vein. C) Ventricle. D) Valve. Show Answer Correct Answer: D) Valve. 7. ..... fight bacteria and viruses (pathogens). A) Plasma. B) Platelets. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 8. The trachea ..... A) Is a tube that takes the air from the nose to the bronchi. B) Takes the blood to every part of the body. C) Is a little sack. D) None of above. Show Answer Correct Answer: A) Is a tube that takes the air from the nose to the bronchi. 9. Rhythmic impulses caused by arterial movements at wrist is called..... A) Cardiac beat. B) Pulse is a nervous response. C) Both. D) None is none. Show Answer Correct Answer: B) Pulse is a nervous response. 10. Another word for breathing out? A) Oxygen. B) Carbon Dioxide. C) Inhale. D) Exhale. Show Answer Correct Answer: D) Exhale. 11. A vein that is the 2nd largest vein in the body and returns to the right atrium of the heart from the upper half of the body A) Superior vena cava. B) Inferior vena cava. C) Septum. D) Pericardium. Show Answer Correct Answer: A) Superior vena cava. 12. When a blood clot travels to the lungs A) Pulmonary embolism. B) Pulmonary thrombosis. C) Deep vein thrombosis. D) Coronary embolism. Show Answer Correct Answer: A) Pulmonary embolism. 13. The ..... 's job is to pump your blood. A) Lung. B) Diaphragm. C) Blood vessel. D) Heart. Show Answer Correct Answer: D) Heart. 14. The membrane that surrounds the lungs is called: A) Singular Membrane. B) Pleural Membrane. C) Cellular Membrane. D) None of above. Show Answer Correct Answer: B) Pleural Membrane. 15. The process of taking in oxygen and releasing carbon dioxide from the body. A) Transpiration. B) Respiration. C) Digestion. D) Relaxation. Show Answer Correct Answer: B) Respiration. 16. After the blood gets oxygen from the lungs, it goes through the pulmonary veins to the hearts ..... A) Right Atrium. B) Left Ventricle. C) Right Ventricle. D) Left Atrium. Show Answer Correct Answer: D) Left Atrium. 17. In the walls of the heart, there layers of tissue that is found in the outer layer and protects the heart it is called the A) Epicardium. B) Cardiac muscle. C) Endocardium. D) Myocardium. Show Answer Correct Answer: A) Epicardium. 18. What are the main organs of the respiratory system? A) Diaphragm. B) Lungs. C) Trachea. D) Bronchi. Show Answer Correct Answer: B) Lungs. 19. The heart is found slightly towards the ..... in the chest A) Left. B) Right. C) Centre. D) Both. Show Answer Correct Answer: A) Left. 20. What does the septum do? A) Nutrients, oxygen, antibodies and hormones. B) Carries blood away from the heart. C) Carries the blood to and from the body's cells. D) Separates oxygen rich from oxygen poor blood. Show Answer Correct Answer: D) Separates oxygen rich from oxygen poor blood. ← 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