This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System โ Quiz 674 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 674 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The relaxing of the heart is known as A) Diastole. B) Systole. C) Heart Rate. D) Cardiac Arrest. Show Answer Correct Answer: A) Diastole. 2. The average amount of uric acid in females is 3.4-6.0mg/dl of blood. A) True. B) False. Show Answer Correct Answer: B) False. 3. The blood flowing around the lungs travels to which part of the circulatory system next? A) Pulmonary veins. B) Aorta. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: A) Pulmonary veins. 4. What structure is present in the vein but not in the artery? A) Red blood cell. B) White blood cell. C) Valve. D) None of above. Show Answer Correct Answer: C) Valve. 5. Location of heart..... Location of heart..... A) Ribcage. B) Abdominal cavity เฐเฐฆเฐฐ เฐเฑเฐนเฐฐเฐฎเฑ. C) Chest cavity. D) Diaphragm cavity. Show Answer Correct Answer: C) Chest cavity. 6. Which blood vessels takes blood from the heart and sends it to the lungs? A) Superior vena cava and inferior vena cava. B) Pulmonary artery. C) Pulmonary vein. D) Aorta. Show Answer Correct Answer: B) Pulmonary artery. 7. The process by which cells use oxygen to produce energy from food A) Cellular respiration. B) Cellular metabolism. C) System circulation. D) Antigen. Show Answer Correct Answer: A) Cellular respiration. 8. Which blood part is made mostly of water? A) Plasma. B) RBC. C) WBC. D) Platelets. Show Answer Correct Answer: A) Plasma. 9. If your blood, for some reason, was not able to carry oxygen effectively, which type of cell would you expect to be either missing or damaged? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) Stem cells. Show Answer Correct Answer: A) Red Blood Cells. 10. What part of the lymphatic system filters foreign material from blood and destroys old RBCs? A) Spleen. B) Lymph nodes. C) Thymus. D) Lymphatic vessels. Show Answer Correct Answer: A) Spleen. 11. Hemoglobin makes blood..... A) Red. B) Blue. C) Clear. D) None of above. Show Answer Correct Answer: A) Red. 12. Which is NOT a chamber of the heart? A) Left Ventricle. B) Aorta. C) Right Ventricle. D) Left Atrium. Show Answer Correct Answer: B) Aorta. 13. What is the purpose of the tricuspid valve in the heart? A) Allow blood into the aorta. B) Separate the left atrium from the left ventricle. C) Separate the right atrium from the right ventricle. D) Prevent blood from flowing back into the ventricles. Show Answer Correct Answer: C) Separate the right atrium from the right ventricle. 14. What are the names of the lower chambers? A) Valves. B) Capillary. C) Left and right veins. D) Left and right ventricles. Show Answer Correct Answer: D) Left and right ventricles. 15. When the blood vessels' diameter decreases, squeezing blood deeper into the organs of the body. A) Vasodilation. B) Vasoconstriction. C) Hypertension. D) Heart rate. Show Answer Correct Answer: B) Vasoconstriction. 16. Myocarditis is A) Inflammation of the heart. B) Inflammation of the coronary artery. C) Inflammation of the heart muscle. D) Inflammation of the calf muscle. Show Answer Correct Answer: C) Inflammation of the heart muscle. 17. It takes ..... for blood to circulate the entire body. A) 20 seconds. B) 20 minutes. C) 30 seconds. D) None of above. Show Answer Correct Answer: A) 20 seconds. 18. I'll keep on dreaming ..... my dreams come true A) Until. B) Since. C) For. D) Because. Show Answer Correct Answer: A) Until. 19. Which cell engulfs and digests bacteria/pathogens? A) Lymphocytes. B) Phagocytes. C) Platelets. D) None of above. Show Answer Correct Answer: B) Phagocytes. 20. Why are there 2 sides to the end of a stethoscope? A) For listening to different pitched sounds. B) To prevent the spread of infection. C) To prevent other sounds interfering. D) If one side gets broken or wears out, there is a back up. Show Answer Correct Answer: A) For listening to different pitched sounds. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books