This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 253 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 253 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where are blood cells made? A) Heart. B) Lungs. C) Bone Marrow. D) Stomach. Show Answer Correct Answer: C) Bone Marrow. 2. Bicuspid valve is also known as ..... A) Mitral valve. B) Tricuspid valve. C) Left ventricle. D) None of these. Show Answer Correct Answer: A) Mitral valve. 3. Type of circulatory system in an earthworm: A) Open. B) Closed. Show Answer Correct Answer: B) Closed. 4. The plasma that contains blood cells is mainly made up of ..... A) Oxygen. B) Nutrients. C) Waste. D) Water. Show Answer Correct Answer: D) Water. 5. The left ventricle is thicker because it pumps blood to the lungs A) True. B) False. Show Answer Correct Answer: B) False. 6. What side of your heart take in the blood that is oxygen depleted or poor in oxygen? A) Up. B) Down. C) Left. D) Right. Show Answer Correct Answer: D) Right. 7. Which type of blood cell is important to fighting pathogens and protecting you from infection and disease? A) Red blood cells. B) White blood cells. C) Platelets. D) Liver blood cells. Show Answer Correct Answer: B) White blood cells. 8. Blood pressure is measured by an instrument known as: A) ECG. B) Stemoscope. C) Sphygmomanometer. D) EEG. Show Answer Correct Answer: C) Sphygmomanometer. 9. The right side of the heart A) Moves the oxygenated blood around the body. B) Moves the de-oxygenated blood around the body. Show Answer Correct Answer: B) Moves the de-oxygenated blood around the body. 10. When an atrium contracts A) The ventricule from the same side relaxes. B) The ventricule from the same side contracts too. C) The atrium from the other side also contracts. D) None of above. Show Answer Correct Answer: A) The ventricule from the same side relaxes. 11. This is the largest artery in your body, and it carries oxygenated blood from the heart to the rest of the body. A) Pulmonary artery. B) Vena cava. C) Aorta. D) Pulmonary vein. Show Answer Correct Answer: C) Aorta. 12. Which chamber of the heart pumps oxygen-poor blood to the lungs, by going directly to the pulmonary arteries? A) Left atrium. B) Left ventricle. C) Right atrium. D) Right ventricle. Show Answer Correct Answer: D) Right ventricle. 13. Having strong and elastic vessel walls is a characteristic of..... A) Venous vessels. B) Arteries. Show Answer Correct Answer: B) Arteries. 14. What is also known as white blood cells A) Erythrocytes. B) Leukocytes. C) Thrombocytes. D) None of above. Show Answer Correct Answer: B) Leukocytes. 15. Biconcave, has no nucleus. This includes aspects..... A) Erythrocytes (Red blood cells). B) Leukocytes (White blood cells). C) Blood plasma. D) Thrombocytes (Blood clots). Show Answer Correct Answer: A) Erythrocytes (Red blood cells). 16. If a person is suffering pain/discomfort in their chest, it might indicate a: A) Stroke. B) Deep Vein Thrombosis. C) Heat Emergency. D) Myocardial Infarction (Heart Attack). Show Answer Correct Answer: D) Myocardial Infarction (Heart Attack). 17. Your blood is made up of ..... A) Plasma, red blood cells and blue blood cells. B) Platelets, white blood cells and red blood cells. C) Plasma, red blood cells, white blood cells and platelets. D) Red blood cells, white blood cells, venules and platelets. Show Answer Correct Answer: C) Plasma, red blood cells, white blood cells and platelets. 18. The coronary arteries are located ..... A) On the heart. B) In the neck. C) In the abdomen. D) In the legs. Show Answer Correct Answer: A) On the heart. 19. What component of blood carries oxygen? A) Red blood cell. B) White blood cell. C) Plasma. D) Platelet. Show Answer Correct Answer: A) Red blood cell. 20. What initiates the sequential contractions of the heart chambers? A) The SA node. B) The AV node. C) The Purkinje fibers. D) The ventricular coordination. Show Answer Correct Answer: A) The SA node. ← 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