This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 456 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 456 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Another name for Red Blood Cells is: A) Leucocyte. B) Hemoglobin. C) Erythrocyte. D) Thrombocyte. Show Answer Correct Answer: C) Erythrocyte. 2. Fill in the blanks:The capillaries have the power of ..... and ..... A) Diastole, systole. B) Dilating, contracting. C) All of the above. D) None of the above. Show Answer Correct Answer: B) Dilating, contracting. 3. Arteries direction from/to A) From the heart. B) To the heart. C) Connect arteries and veins. D) None of above. Show Answer Correct Answer: A) From the heart. 4. Which blood type is known as the universal recipient? (can receive all types) A) AB+. B) AB-. C) O+. D) O-. Show Answer Correct Answer: A) AB+. 5. Whole blood is processed through an apheresis machine that extracts platelets. The rest of the blood is returned to the donor. A) Plateletpheresis. B) Plasmapheresis. C) Leukoreduction. D) Agglutination. Show Answer Correct Answer: A) Plateletpheresis. 6. A muscular tube that connects the mouth and the stomach A) Esophagus. B) Small intestine. C) Liver. D) Gall bladder. Show Answer Correct Answer: A) Esophagus. 7. Which order is correct? A) Superior and inferior vena cavas into the right atrium through the tricuspid valve. B) Superior and inferior vena cavas into the left atrium through the bicuspid valve. C) Right ventricle through the tricuspid valve into the right atrium. D) Body cells and tissues to the aorta through the aortic valve. Show Answer Correct Answer: A) Superior and inferior vena cavas into the right atrium through the tricuspid valve. 8. Coronary Circulation A) Movement of blood through vessels that supply blood to all the cells of the heart. B) Movement of blood through vessels to and from the lungs. C) Movement of blood through vessels to and from the heart and body. D) One of the two upper chambers of the heart through which blood enters. Show Answer Correct Answer: A) Movement of blood through vessels that supply blood to all the cells of the heart. 9. Which type of blood cells are responsible for fighting infections? A) Plasma. B) Haemoglobin. C) White blood cells. D) Platelets. Show Answer Correct Answer: C) White blood cells. 10. What vessels carry the blood back to the heart? A) Arteries. B) Veins. C) The aorta. D) Capillaries. Show Answer Correct Answer: B) Veins. 11. The circulation between heart and lungs is called ..... A) Respiratory circulation. B) Systemic Circulation. C) Pulmonary Circulation. D) Nervous Circulation. Show Answer Correct Answer: C) Pulmonary Circulation. 12. During a biology class, Noah, Benjamin, and Henry were discussing the role of the heart in the circulatory system. What is the primary function of the heart in this system? A) To pump blood through blood vessels. B) To filter waste from the blood. C) To produce red blood cells. D) To store oxygen for the body. Show Answer Correct Answer: A) To pump blood through blood vessels. 13. Homeostasis A) In humans and animals, a state of balance or equilibrium caused by many body systems working together. B) Beat of the heart as felt through the walls of the arteries. C) The movement of blood throughout the body. D) A colorless, odorless gas that is composed of carbon and oxygen. It is absorbed from the air by plants and produced when people and animals breathe out. Show Answer Correct Answer: A) In humans and animals, a state of balance or equilibrium caused by many body systems working together. 14. Pregnant women with Rh + who carry fetuses with Rh-..... A) May increase the risk of miscarriage. B) Can be ignored. Show Answer Correct Answer: B) Can be ignored. 15. A system of vessels that help return excess fluid to the bloodstream. A) Lymphatic system. B) Hepatic system. C) Cardiovascular system. D) Integumentary system. Show Answer Correct Answer: A) Lymphatic system. 16. The bottom chambers of the heart are the: A) Atria. B) Ventricles. C) Septum. D) Aorta. Show Answer Correct Answer: B) Ventricles. 17. Which of the following is not an observation of William Harvey? Which of the following is not an observation of William Harvey? A) Veins are constituted with valves. B) Blood passes towards heart in veins Blood flows towards heart in veins. C) Blood passes away from heart in arteries. D) Double circulation in humans. Bi-circular circulation in humans. Show Answer Correct Answer: A) Veins are constituted with valves. 18. These are very tiny blood vessels that connect the arteries and the veins. A) Capillaries. B) Veins. C) Lymph. D) Arteries. Show Answer Correct Answer: A) Capillaries. 19. ..... are the largest blood vessel A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 20. When the heart beats the chamber gets ..... A) Bigger. B) Smaller. C) Faster. D) None of above. Show Answer Correct Answer: B) Smaller. ← 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