This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System โ Quiz 284 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 284 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the function of plasma? A) Transport oxygen from lungs to respiring tissues. B) Involved in immune defense. C) Involved in blood clotting. D) Contains electrolytes which are important for maintaining fluid balance and blood pH. Show Answer Correct Answer: D) Contains electrolytes which are important for maintaining fluid balance and blood pH. 2. Which of the following brings deoxygenated blood INTO the right atrium of the heart? A) Aorta. B) Pulmonary veins. C) Vena cava. D) None of above. Show Answer Correct Answer: C) Vena cava. 3. The jelly-like material inside the cell A) Ribosomes. B) Lysosome. C) Grain. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 4. Which of the following has a THICKER tunica media, and why? A) Arteries; To increase pressure in the vessel. B) Veins; To decrease pressure in the vessel. C) Arteries; To decrease pressure in the vessel. D) Veins; To increase pressure in the vessel. Show Answer Correct Answer: A) Arteries; To increase pressure in the vessel. 5. What type of muscle do you find in the heart? A) Smooth muscle. B) Skeletal muscle. C) Cardiac muscle. D) None of above. Show Answer Correct Answer: C) Cardiac muscle. 6. Small blood vessels that connect arteries to veins. A) Capillaries. B) Circulatory system. C) Diastole. D) Endocardium. Show Answer Correct Answer: A) Capillaries. 7. What is the function of the plasma in blood? A) Act as the fluid component of blood. B) Remove waste products from cells. C) Protect against disease. D) Transport oxygen to the cells of the body. Show Answer Correct Answer: A) Act as the fluid component of blood. 8. Blood flows through? A) Arteries. B) Veins. C) Capillaries. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Capillaries are blood vessels too. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 10. Which is the role of the Circulatory system? A) Fights disease so the body stays healthy. B) Circulates blood and oxygen through the body and picks up waste. C) Breaks down food into smaller pieces and absorbs those nutrients into the body. D) Provides shape and structure for the body. Show Answer Correct Answer: B) Circulates blood and oxygen through the body and picks up waste. 11. Which valve prevents blood flowing back into the left atrium from the left ventricle? A) The pulmonary valve. B) The mitral valve. C) The tricuspid valve. D) The aortic valve. Show Answer Correct Answer: B) The mitral valve. 12. Blood vessel:veinsblood:red blood cellsheart: ..... A) Capillaries. B) Arteries. C) Platelets. D) Atrium. Show Answer Correct Answer: D) Atrium. 13. I hungrily stared at the fresh pizza. A) Adjective. B) Adverb. Show Answer Correct Answer: B) Adverb. 14. The liquid portion of the blood is called platelets. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 15. What is the diastole? A) When the ventricles contract and pump blood into the aorta and pulmonary artery. B) When you exercise. C) When electrical current go through your blood. D) When the atrioventricular valves open and the ventricles relax. Show Answer Correct Answer: D) When the atrioventricular valves open and the ventricles relax. 16. What occurs if blood does not flow properly through the veins? A) Blood Clot. B) SADS/SIDS. C) Aneurysm. D) Atrial Septal Defect. E) Aortic Stenosis. Show Answer Correct Answer: A) Blood Clot. 17. What is the name of the problem that happens when brain cells are starved of oxygen and die? A) Atherosclerosis. B) Heart failure. C) Heart attack. D) Stroke. Show Answer Correct Answer: D) Stroke. 18. What happens if the pericardium is not surrounded by the heart? What happens if there is no pericardium around the heart? A) No blood circulation to heart. B) No protection from poisonous substance. C) No protection from external shocks. D) All the above เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: C) No protection from external shocks. 19. Can someone with type A blood accept type A blood? A) No they cannot. B) Yes they can. Show Answer Correct Answer: B) Yes they can. 20. Without the ..... here would have been friction between the layers of the heart when it beats? A) Endocardium. B) Pericardium. C) Epicardium. D) Myocardium. Show Answer Correct Answer: B) Pericardium. 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