This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 221 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 221 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What vocabulary word means the largest artery in the body? A) Artery. B) Aorta. C) Vein. D) Capillary. Show Answer Correct Answer: B) Aorta. 2. Red blood cells are ..... % of blood in the body A) 55. B) 45. C) <1. D) <1. Show Answer Correct Answer: B) 45. 3. The lungs is covered with a thin epithelium called A) Mucous membrane. B) Red blood cells. C) Alveoli. D) Pleura. Show Answer Correct Answer: D) Pleura. 4. Right ventricle pumps blood to the (BLANK) A) Heart. B) Brain. C) Lungs. D) Stomach. Show Answer Correct Answer: C) Lungs. 5. The left side does more work in that it has to push blood throughout the entire body whereas the right side just pumps blood to the lungs. A) True. B) False. Show Answer Correct Answer: A) True. 6. The QRS complex indicates? A) Ventricle depolarization. B) Atrial depolarization (contraction). C) Bradycardia. D) Left ventricle. Show Answer Correct Answer: A) Ventricle depolarization. 7. The circulation of blood from the heart, to the body, then back to the heart is known as: A) Aortic circulation. B) Systemic circulation. C) Pulmonary circulation. D) Capillary bed circulation. Show Answer Correct Answer: B) Systemic circulation. 8. All of the following are unavoidable risk factors for cardiovascular disease EXCEPT A) Heredity. B) Gender. C) Hypertension. D) Age. Show Answer Correct Answer: C) Hypertension. 9. Eat healthy and balanced food that is low in ..... A) Water and salt. B) Fat and salt. C) Protein and salt. D) Fat and carbohydrates. Show Answer Correct Answer: B) Fat and salt. 10. Also known as Leukocytes A) Red blood cell. B) White blood cell. C) Platelets. D) Plasma. Show Answer Correct Answer: B) White blood cell. 11. What carries the oxygenated blood from the lungs to the left atrium of the heart? A) Vena cava. B) Aorta. C) Pulmonary vein. D) Pulmonary artery. Show Answer Correct Answer: C) Pulmonary vein. 12. Calculate the maximum heart rate of a 45 year old A) 176bpm. B) 173ppm. C) 174bpm. D) 175bpm. Show Answer Correct Answer: D) 175bpm. 13. What path does blood flow? A) Right atrium > Right Ventricle > Left Atrium > Left Ventricle. B) Right Ventricle > Left Atrium > Left Ventricle > Right Atrium. C) Left Ventricle > Right Ventricle > Left Atrium > Right Atrium. D) Left Atrium > Left Ventricle > Right Atrium > Right Ventricle. Show Answer Correct Answer: A) Right atrium > Right Ventricle > Left Atrium > Left Ventricle. 14. The fluid that escapes from the blood capillaries and surrounds the cells is called ..... A) Plasma. B) Serum. C) Blood. D) Tissue fluid. Show Answer Correct Answer: D) Tissue fluid. 15. On each trip around the body, blood passes through your heart twice.Explain why. A) The heart pumps blood to the lungs to collect oxygen. B) This blood returns to the heart to be pumped to every other part of the body. C) Both are true. D) Both are false. Show Answer Correct Answer: C) Both are true. 16. Felt to find pulse (may have multiple answers) A) Arteries. B) Veins. C) Capillaries. D) Alveoli. Show Answer Correct Answer: A) Arteries. 17. I am the thinnest Blood vessel. Who am I? A) Artery. B) Capillary. C) Veins. D) I don't know (Really). Show Answer Correct Answer: B) Capillary. 18. Which of the following is in the lower chambers of the heart? A) Ventricles. B) Atrium. Show Answer Correct Answer: A) Ventricles. 19. Which of the following is affected by the respiratory system? A) Yawning. B) Hiccups. C) Sneezing. D) All of these. Show Answer Correct Answer: D) All of these. 20. A type of blood circulatory system in which heart acts a pump, pushes and receives the blood from whole body through blood vessels. A) Vascular System. B) Open vascular system. C) Closed vascular system. D) Double Circulation system. Show Answer Correct Answer: C) Closed vascular system. ← 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