This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System β Quiz 475 π Homepage π Download PDF Books π Premium PDF Books Circulatory System Quiz 475 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The tiniest blood vessels are ..... A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 2. Which blood vessel transports deoxygenated blood from the rest of the body back to the heart? A) Pulmonary vein. B) Hepatic vein. C) Renal vein. D) Vena cava. Show Answer Correct Answer: D) Vena cava. 3. Platelet is also called A) Erythrocyte. B) Thrombocyte. C) Leucocyte. D) Agranulocyte. Show Answer Correct Answer: B) Thrombocyte. 4. What's the heartbeat?ΒΏQuΓ© es el latido de corazΓ³n? A) A beat of the hert. B) Each time the heart pumps. C) A pump of blood. D) Artery. Show Answer Correct Answer: B) Each time the heart pumps. 5. Blood goes from capillaries to A) Arteries. B) Aorta. C) Vena cava. D) Veins. Show Answer Correct Answer: D) Veins. 6. Flaps of tissue that control blood flow A) Arteries. B) Veins. C) Capillaries. D) Valves. Show Answer Correct Answer: D) Valves. 7. Heart has A) 7 chambers. B) 9 chambers. C) 5 chambers. D) 4 chambers. Show Answer Correct Answer: D) 4 chambers. 8. It is the liquid part of the blood. A) Plasma. B) Erythrocytes. C) Leucocytes. D) Thrombocytes. Show Answer Correct Answer: A) Plasma. 9. Do arteries lead away from your heart or towards it? A) Arteries lead to your heart. B) Arteries lead away from your heart. Show Answer Correct Answer: B) Arteries lead away from your heart. 10. Lungs A) Contain aveoli; assists in difussion of O2 into the blood stream and CO2 out of the blood stream. B) Triangle-shaped area connected to the pharynx; voice box. C) One of the two upper chambers of the heart through which blood enters. D) Vessel that carries blood toward the heart. Show Answer Correct Answer: A) Contain aveoli; assists in difussion of O2 into the blood stream and CO2 out of the blood stream. 11. A ..... is anything of that can cause a disease. A) Pathogen. B) White Blood Cell. C) Hemoglobin. D) Leukocyte. Show Answer Correct Answer: A) Pathogen. 12. Arteries are normally depicted as red while veins are colored blue. The exceptions to this rule are the ..... arteries and veins. A) Systemic. B) Hepatic. C) Coronary. D) Pulmonary. Show Answer Correct Answer: D) Pulmonary. 13. Measure of pressure on vessel walls A) Blood pressure. B) Pulse. C) Capillaries. D) Hypertension. Show Answer Correct Answer: A) Blood pressure. 14. T wave is A) Repolarization of atria. B) Repolarization of ventricles. C) Repolarization of ventricles and atria. D) Depolarization of atria and ventricles. Show Answer Correct Answer: B) Repolarization of ventricles. 15. The passages that direct air into the lungs. A) Lungs. B) Trachea. C) Bronchi. D) Alveoli. Show Answer Correct Answer: C) Bronchi. 16. Which of the following part of the heart prevents the backward flow of blood? A) Atrium. B) Ventricle. C) Valve. D) None of above. Show Answer Correct Answer: C) Valve. 17. Which side of the heart always receives oxygenated blood? A) Right. B) Left. C) Top. D) Bottom. Show Answer Correct Answer: B) Left. 18. Which system transports nutrients and oxygen to the parts of the body? A) Respiratory System. B) Digestive System. C) Circulatory System. D) Integumentary System. Show Answer Correct Answer: C) Circulatory System. 19. What is the force exerted by blood on the inside walls of arteries? A) Gravity. B) Heart rate. C) Exercise. D) Blood pressure. Show Answer Correct Answer: D) Blood pressure. 20. Sarah has a fever and cough. How does her lymphatic system respond to these symptoms? A) Filtration. B) Fluid balance. C) Immunity. D) Lymphocytes production. Show Answer Correct Answer: D) Lymphocytes production. β PreviousNext βRelated 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 π Back to Homepage π Download PDF Books π Premium PDF Books