This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 588 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 588 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... and ..... are commonly known as the cardiovascular system A) Heart, blood vessels. B) Heart, blood. C) Blood, blood vessels. D) None of above. Show Answer Correct Answer: A) Heart, blood vessels. 2. Location of heart..... A) In abdominal cavity. B) In chest cavity. C) On dorsal side. D) On ventral side of abdomen. Show Answer Correct Answer: B) In chest cavity. 3. What does blood deliver to the body? A) Nutrients and carbon dioxide. B) Carbon dioxide and nitrogen. C) Nutrients and oxygen. D) None of above. Show Answer Correct Answer: C) Nutrients and oxygen. 4. An iron-containing protein found in red blood cells thar carries the oxygen is the A) Hemoglobin. B) Red pigment. C) Platelets. D) Erythrocyte. Show Answer Correct Answer: A) Hemoglobin. 5. What does overeating unhealthy fats lead to? A) These keep blood vessels clean and smooth. B) They will cause fat build up in blood vessels. C) It will cause you to lose sleep. D) Overeating these fats has no effect. Show Answer Correct Answer: B) They will cause fat build up in blood vessels. 6. Deoxygenated blood that enters here is carried to the lungs. A) Pulmonary Vein. B) Aorta. C) Pulmonary Artery. D) None of above. Show Answer Correct Answer: C) Pulmonary Artery. 7. When do molecules stop moving or vibrating? A) When equilibrium is reached. B) Never. C) When the temperature is below 0 degrees Celsius. D) When the substance they are part of becomes a solid. Show Answer Correct Answer: B) Never. 8. When blood leaves the right ventricle where is it going next? A) Body cells. B) Brain. C) Bones. D) Lungs. Show Answer Correct Answer: D) Lungs. 9. Plants with large leaves will transpire faster than plants with smaller leaves. Which of the following explains why? A) Plant with large leaves carry more water. B) Plants with large leaves have more stomata in their lower surface. C) Plants with large leaves have more stomata per unit area. D) Plants with large leaves blow readily in the wind. Show Answer Correct Answer: C) Plants with large leaves have more stomata per unit area. 10. The normal blood pressure for adults. A) 50-90 mm(systolic), 100-150 mm(diastolic). B) 10-60 mm(systolic), 200-250 mm(diastolic). C) 100-140 mm(systolic), 60-80 mm(diastolic). D) None of above. Show Answer Correct Answer: C) 100-140 mm(systolic), 60-80 mm(diastolic). 11. The circulatory system is the one responsible for carrying ONLY the nutrients throughout the body. A) True. B) False. Show Answer Correct Answer: B) False. 12. It's a ARTERY in the leg A) Femoral vein. B) Femoral artery. C) Carotid artery. D) Jugular vein. E) Vena cava. Show Answer Correct Answer: B) Femoral artery. 13. The upper chambers of the heart are known as ..... A) Valves. B) Ventricles. C) Atria. D) Septum. Show Answer Correct Answer: C) Atria. 14. The ..... returns blood from the lower body. A) Superior vena cava. B) Inferior vena cava. C) Vena cava. D) Aorta. Show Answer Correct Answer: B) Inferior vena cava. 15. Platelets are small round plates that carry nutrients around the body. A) True. B) False. Show Answer Correct Answer: B) False. 16. This system is more efficient; it distributes blood faster to a greater number of cells. A) Closed transport system. B) Open transport system. C) Vessels system. D) Vascular system. Show Answer Correct Answer: A) Closed transport system. 17. The cardiac conduction system spontaneously starts in which area that is considered the "pacemaker" of the heart? A) Because of the difference. B) Bundle of His. C) AV node. D) Purkinje fibers. Show Answer Correct Answer: A) Because of the difference. 18. The average heart rate is approximately A) 50-60 beats per minute. B) 60-65 beats per minute. C) 70-75 beats per minute. D) Over a hundred beats per minute. Show Answer Correct Answer: C) 70-75 beats per minute. 19. What is the correct path blood would take returning from the lungs? A) Superior vena cava, right atrium, right ventricle, pulmonary artery. B) Pulmonary artery, left atrium, left ventricle, pulmonary vein. C) Pulmonary vein, left atrium, left ventricle, aorta. D) Left atrium, left ventricle, pulmonary vein, aorta. Show Answer Correct Answer: C) Pulmonary vein, left atrium, left ventricle, aorta. 20. The smallest blood vessels in the body are called A) Arteries. B) Veins. C) Arterioles. D) Capillaries. Show Answer Correct Answer: D) Capillaries. ← 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