This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 41 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Blood vessel that carries blood away from the heart A) Artery. B) Vein. C) Capillary. D) Coronary circulation. Show Answer Correct Answer: A) Artery. 2. What part of blood is responsible for carrying oxygen to our organs and carbon dioxide to our lungs to be exhaled? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) Red Blood Cells. 3. What characteristic of arteries allows them to be felt as a pulse in some areas of the body? A) They are thick-walled vessels. B) They are close enough to the surface. C) They have a high oxygen content. D) They are major blood vessels. Show Answer Correct Answer: B) They are close enough to the surface. 4. Apart from reducing blood loss, state a function of platelets. A) Prevents microorganisms entering the body. B) Transporting oxygen. C) Transporting carbon dioxide. D) Transporting nutrients from food. Show Answer Correct Answer: A) Prevents microorganisms entering the body. 5. When the hemoglobin of blood is carrying oxygen the blood appears to be bright red and is called "oxygenated blood" . A) True. B) False. Show Answer Correct Answer: A) True. 6. Red blood cells are shaped like ..... A) Discs. B) Footballs. C) Half moons. D) Bananas. Show Answer Correct Answer: A) Discs. 7. What is the name of the medical imaging technique that allows doctors to see inside blood vessels? A) ECG. B) Angiography. C) Phoniocardiogram. D) Angioplasty. Show Answer Correct Answer: B) Angiography. 8. The clear, watery part of blood is called ..... A) Plasma. B) Blood water. C) White blood cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 9. What are the main parts of Circulatory System? A) Blood, Arteries, Veins. B) Aorta, Capillaries, Arteries. C) Blood, Blood Vessels, Heart. D) None of above. Show Answer Correct Answer: C) Blood, Blood Vessels, Heart. 10. Can donate red blood cells to only A & AB A) Type O. B) Type AB. C) Type B. D) Type A. Show Answer Correct Answer: D) Type A. 11. Arteries carry the blood to the heart and to the rest of the body. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 12. Use the heart diagram below to identify the structure the arrow is pointing to: A) Right Atrium. B) Right Ventricle. C) Left Atrium. D) Left Ventricle. Show Answer Correct Answer: C) Left Atrium. 13. Circualtion through gastrovascular cavity is present in ..... A) Cnidaria. B) Arthropoda Arthropoda. C) Annileda. D) Mollusca Mollusca. Show Answer Correct Answer: A) Cnidaria. 14. Atrium A) A top chamber in our heart. B) Blood vessel carries blood to the heart. C) This type of blood vessel is the thinnest and allows for the transfer of nutrients and oxygen to the cells of the body. D) Carries the blood from the ventricle to the body. Show Answer Correct Answer: A) A top chamber in our heart. 15. Which leukocytes mature to become macrophages that phagocytize bacteria? A) Lymphocytes. B) Monocytes. C) Eosinophils. D) Basophils. Show Answer Correct Answer: B) Monocytes. 16. What is Polycythemia? A) Number of WBCs is more in the individual. B) Number of RBCs is more in the individual. C) Number of platelets is more in the individual. D) Less amount of haemoglobin in the RBCs of the individual. Show Answer Correct Answer: B) Number of RBCs is more in the individual. 17. Largest artery of the body. A) Intercostal arteries. B) Bronchial arteries. C) Aorta. D) Abdominal aorta. Show Answer Correct Answer: C) Aorta. 18. One of heart A) Pulmonary artery. B) Left atrium. C) Right atrium. D) Mitral valve/bicuspid. E) Aortic valve. Show Answer Correct Answer: E) Aortic valve. 19. ..... carry blood from the body to the heart. A) Veins. B) Arteries. Show Answer Correct Answer: A) Veins. 20. The heart pumps the blood around your body through a process called A) Respiration. B) Digestion. C) Circulation. D) Excretion. Show Answer Correct Answer: C) Circulation. ← 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