This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 85 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 85 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is correct statement for anemia? A) It is known as high blood pressure. B) It occurs when the amount of red blood cells in our body is low. C) It may be cause by a diet with too much fat. D) It occurs when white blood cells multiply abnormally. Show Answer Correct Answer: B) It occurs when the amount of red blood cells in our body is low. 2. What color is blood? A) Red. B) Blue. C) Both. D) None of above. Show Answer Correct Answer: A) Red. 3. The veins carry blood at a A) High pressure. B) Low pressure. Show Answer Correct Answer: B) Low pressure. 4. Which is the order of steps describing how white blood cells fight invaders in the body? A) Recognize the invader, produce chemicals to fight invaders, surround and kills invader. B) Produce chemicals to fight invaders, surround and kills invader, recognize the invader. C) Surround and kills invader, produce chemicals to fight invaders, recognize the invader. D) None of above. Show Answer Correct Answer: A) Recognize the invader, produce chemicals to fight invaders, surround and kills invader. 5. What is the function of plasma? A) Carries nutrients, fats, vitamins to parts of the body and carries away waste. B) Carries oxygen throughout the body. C) Finds and destroys disease causing organisms. D) Helps to form blood clots. Show Answer Correct Answer: A) Carries nutrients, fats, vitamins to parts of the body and carries away waste. 6. This muscle in the heart pumps blood by constantly contracting and relaxing A) Myocardium. B) Superior vena cava. C) Right ventricle. D) Endocardium. Show Answer Correct Answer: A) Myocardium. 7. The heart is made mostly of ..... A) Skeletal muscle. B) Smooth muscle. C) Cardiac muscle. D) Hulk muscle. Show Answer Correct Answer: C) Cardiac muscle. 8. Pulmonary referrs to the lungs, blood leaving the heart through the pulmonary artery is high in which gas? A) Nitrogen. B) Carbon dioxide. C) Oxygen. D) Helium. Show Answer Correct Answer: B) Carbon dioxide. 9. Small blood vessels. A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 10. The vocal cords are short and tight make what sound A) Low pitched. B) High pitched. Show Answer Correct Answer: B) High pitched. 11. This condition occurs when blood pressure is regularly 140/90 or higher. If this is left untreated it will increase the risk of heart attack, stroke and other serious health problems. Most people with this condition have no symptoms, even if blood pressure readings reach dangerously high levels. Treatment is to make lifestyle changes and medications. A) Hypertension. B) Hypotension. C) Atherosclerosis. D) Myocardial Infarction. E) (Ischemic)Stroke. Show Answer Correct Answer: A) Hypertension. 12. What is pacemaker? A) To help kidneys filtrate blood. B) To measure your blood pressure. C) Electronic device used to help the heart beat regularly. D) None of above. Show Answer Correct Answer: C) Electronic device used to help the heart beat regularly. 13. Why is the left hand side of the heart a little bigger and stronger? A) Because it leans to the left. B) Because the left hand side is full of fat. C) Because it pumps blood to the lungs. D) Because it pumps blood all around the body. Show Answer Correct Answer: D) Because it pumps blood all around the body. 14. In mammals, how often must a blood cell in the renal artery pass through the heart beforeit again reaches the renal artery? A) Once. B) Thrice. C) Zero. D) Twice. Show Answer Correct Answer: D) Twice. 15. What does blood transports? A) Oxygen and carbon dioxide. B) Nutrients and waste. C) Heat and hormones. D) All of the above. Show Answer Correct Answer: D) All of the above. 16. Branches out to form anastomosing network of capillaries that surrounds the parenchymal calls of organs. A) Small (arterioles). B) Medium (Muscular arteries; Distributing arteries). C) Large (Elastic arteries; Conducting arteries). D) None of above. Show Answer Correct Answer: A) Small (arterioles). 17. What is leukemia A) The flu. B) A cancer of blood tissue. C) A bone. D) None of above. Show Answer Correct Answer: B) A cancer of blood tissue. 18. What structure in the lungs helps put oxygen into the blood? A) Bronchioles. B) Bronchi. C) Diaphragm. D) Alveoli. Show Answer Correct Answer: D) Alveoli. 19. A heart murmur is ..... * A) The decreased blood flow to the coronary artery. B) The movement of oxygenated blood. C) The movement of deoxygenated blood. D) The malfunction of a heart valve. Show Answer Correct Answer: D) The malfunction of a heart valve. 20. Cardiac A) Surgical repair of a vessel. B) Pertaining to a vein. C) Removal of fatty substance. D) Pertaining to the heart. Show Answer Correct Answer: D) Pertaining to the heart. ← 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