This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System β Quiz 216 π Homepage π Download PDF Books π Premium PDF Books Circulatory System Quiz 216 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is hemoglobin? A) A chemical produced in the glands. B) A protein that contains iron and binds to oxygen molecules in the lungs. C) A protein in the heart that prevents disease. D) A type of virus found in the stomach. Show Answer Correct Answer: B) A protein that contains iron and binds to oxygen molecules in the lungs. 2. The ..... in humans is greatly enlarged compared to other organisms A) Cerebellum. B) Cerebrum. C) Spinal Cord. D) Spine. Show Answer Correct Answer: B) Cerebrum. 3. What happens to cardiac output during exercise and what causes this to occur? A) Increases (due to increases in HR and SV). B) Remain the same (due to no changes to SV and HR). Show Answer Correct Answer: A) Increases (due to increases in HR and SV). 4. Which blood group is also called the universal recipient? A) A. B) B. C) AB. D) O. Show Answer Correct Answer: C) AB. 5. Which is a chamber of the heart? A) Vein. B) Aorta. C) Vena cava. D) Atrium. Show Answer Correct Answer: D) Atrium. 6. What is a heart? A) Is an organ that acts like a pump. B) Is an organ that acts like a lamp. C) IsnΒ΄t an organ. D) None of above. Show Answer Correct Answer: A) Is an organ that acts like a pump. 7. Enzymes and acids are examples of A) Mechanical digestion. B) Chemical digestion. Show Answer Correct Answer: B) Chemical digestion. 8. Blood contains far fewer White Blood Cells than Red Blood Cells. A) True. B) False. Show Answer Correct Answer: A) True. 9. The diagram shows a section through a blood vessel in the leg.Which type of blood vessel is shown, and in which direction does the blood flow? A) Artery-P to Q. B) Artery-Q to P. C) Vein-Q to P. D) Vein-P to Q. Show Answer Correct Answer: C) Vein-Q to P. 10. Circulatory system is made up of ....., ..... and ..... A) Lungs, ribs and diaphragm. B) Liver, large intestine and pancreas. C) Heart, blood and blood vessels. D) Cranium, sternum and femur. Show Answer Correct Answer: C) Heart, blood and blood vessels. 11. When the body is losing blood because of a cut in the skin, ..... join together and help stop the bleeding. A) Platelets. B) White cells. C) Red cells. D) None of above. Show Answer Correct Answer: A) Platelets. 12. Abnormal or unusual heart sounds. A) Congestive heart failure (CHF). B) Heart murmurs. C) Bradycardia. D) Tachycardia. Show Answer Correct Answer: B) Heart murmurs. 13. A solid material appeared after blood flow stops from wound. The solid material is known as ..... A) Blood. B) Solid clot. C) Blood clot. D) All the above ΰ°ͺΰ±ΰ°΅ΰ°¨ΰ±ΰ°¨ΰ±. Show Answer Correct Answer: C) Blood clot. 14. What is an atrial septal defect? A) A hole in the septum-causes oxygen-rich blood to mix with oxygen-poor blood. B) Absence of a septum-no separation between all four chambers. C) Not fully formed heart. D) Blocked arteries. Show Answer Correct Answer: A) A hole in the septum-causes oxygen-rich blood to mix with oxygen-poor blood. 15. Serves to support, protect, and bind together tissues of the body. A) Connective tissue. B) Nerve tissue. C) Epithelial Tissue. D) Liquid tissue. Show Answer Correct Answer: A) Connective tissue. 16. Acts as a solvent and suspending medium A) Water. B) Plasma proteins. C) Ions (electrolytes). D) Nutrients. E) Nutrients. Show Answer Correct Answer: A) Water. 17. Which artery carries oxygenated blood throughout the body? A) Inferior vena cava. B) Aorta. C) Coronary artery. D) Pulmonary artery. Show Answer Correct Answer: B) Aorta. 18. Muscle in the lower abdomen that controls breathing (along with rib muscles) A) Diaphragm. B) Gluteus maximus. C) Sternum. D) Deltoid. Show Answer Correct Answer: A) Diaphragm. 19. ..... carries carbon dioxide and wastes towards the heart. A) Valves. B) Veins. Show Answer Correct Answer: B) Veins. 20. Which blood type has Type A antibodies? A) Type AB. B) Type O. C) Type B. D) Type B and Type O. Show Answer Correct Answer: D) Type B and Type O. β PreviousNext βRelated 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 π Back to Homepage π Download PDF Books π Premium PDF Books