This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System โ Quiz 251 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 251 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This type of blood vessels bring blood back to the heart A) Arteries. B) Capillaries. C) Veins. D) Heart. Show Answer Correct Answer: C) Veins. 2. What occurs in the capillaries? A) Exchange of gases. B) Multiplication of blood cells. C) Elimination of carbon dioxide. D) None of above. Show Answer Correct Answer: A) Exchange of gases. 3. Coronary circulation, is the flow of blood to the tissues of the ..... A) Brain. B) Heart. C) Liver. D) Lungs. Show Answer Correct Answer: B) Heart. 4. Anton helped his mother cut carrots in the kitchen by accident, Anton's finger was cut by a knife, causing blood to bleed. However, the blood that came out of Anton's fingers could not stop flowing and was difficult to clot. The blood disorder experienced by Anton is called..... A) Anemia. B) Leukemia. C) Hemofilia. D) Thalasemia. E) Polysthemic. Show Answer Correct Answer: C) Hemofilia. 5. How does the sking protect the body from disease? A) By keeping disease-causing microorganisms from entering the body. B) By gathering information about the environment. C) By increasing body temperature when it is cold. D) By supplying water to the body through the pores. Show Answer Correct Answer: A) By keeping disease-causing microorganisms from entering the body. 6. Which of the following veins contains very little carbon dioxide? A) Pulmonary Vein. B) Vena Cava. C) Renal Vein. D) Hepatic Portal Vein. Show Answer Correct Answer: A) Pulmonary Vein. 7. Which of the following is NOT a function of the respiratory system? A) Get carbon dioxide out of your blood and body. B) Get oxygen into your body and blood. C) Move materials around throughout the body. D) None of above. Show Answer Correct Answer: C) Move materials around throughout the body. 8. The beginning point of the respiratory system where air is taken into the body. A) Lung. B) Diaphragm. C) Nose. D) Trachea. Show Answer Correct Answer: C) Nose. 9. The strong curved muscle attached below the lungs to the lower ribs A) Alveoli. B) Diaphragm. C) Cilia. D) Epiglottis. Show Answer Correct Answer: B) Diaphragm. 10. Which of the following prompted the invention of stethoscope? A) To hear heartbeat louder and clearer. B) Out of modesty rather than pressing ear on women's chest. C) It was an accident invention. D) None of above. Show Answer Correct Answer: B) Out of modesty rather than pressing ear on women's chest. 11. The lower number in a blood pressure reading represents ..... blood pressure A) Systolic. B) Diastolic. C) Aortic. D) Capillary. Show Answer Correct Answer: B) Diastolic. 12. When someone takes the blood of another person, it is called A) A retriever. B) A donor. C) An infusion. D) A transfusion. Show Answer Correct Answer: D) A transfusion. 13. ..... is when you have high blood pressure and your systolic pressure is regularly over 140 A) Arrhythmia. B) Atherosclerosis. C) Heart murmurs. D) Hypertension. E) Hypotension. Show Answer Correct Answer: D) Hypertension. 14. Where the exchange of oxygen and carbon dioxide occur in your blood. A) Alveoli. B) Trachea. C) Lungs. D) Nose/mouth. Show Answer Correct Answer: A) Alveoli. 15. The largest artery in the body is A) Aorta. B) Sweat gland. C) Humerus. D) Big toe. Show Answer Correct Answer: A) Aorta. 16. Which part of the blood protects the body against disease? A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: B) White blood cells. 17. ..... are thinner-walled vessels containing valves, while ..... are thicker-walled vessels. A) Arteries, veins. B) Veins, arteries. C) Capillaries, veins. D) Arteries, capillaries. Show Answer Correct Answer: B) Veins, arteries. 18. Which organ is made up of cardiac muscle tissue? A) Lungs. B) Kidneys. C) Liver. D) Heart. Show Answer Correct Answer: D) Heart. 19. Branched digestive system that spread throughout the body without presence of coelom is seen in..... organisms. A branched digestive system Absence of a body cavity is found in the following organisms. A) Nematehelminthes. B) Platihelminthes Platyhelminthes. C) Annelida annelida. D) All the above เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: B) Platihelminthes Platyhelminthes. 20. What colour is the blood, when it contains a lot of oxygen? A) Bright red. B) Dark red. C) Dark blue. D) Bluish-red. Show Answer Correct Answer: A) Bright red. 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