1a5144f6462894c61cd16dd5f77ad21d

1a5144f6462894c61cd16dd5f77ad21d - CHAPTER 46 CIRCULATORY...

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CHAPTER 46 CIRCULATORY AND RESPIRATORY SYSTEMS REVIEW Identify the choice that best completes the statement or answers the question. ____ 1. The ventricles are a. the upper chambers of the heart. b. the chambers of the heart that pump blood to the lungs and the rest of the body. c. the chambers of the heart that receive blood from the lungs and the rest of the body. d. lower chambers of the heart that contract separately. ____ 2. Refer to the illustration above. Structure 4 is the a. right atrium. b. left atrium. c. right ventricle. d. left ventricle. ____ 3. Refer to the illustration above. The aorta is structure a. 2. b. 3. c. 5. d. 6.
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____ 4. Refer to the illustration above. The vessels labeled “2” carry deoxygenated blood. The vessels are a. the pulmonary arteries. c. parts of the aorta. b. the pulmonary veins. d. parts of the atria. ____ 5. Refer to the illustration above. Blood in chamber 1 a. is full of oxygen. c. has a low concentration of oxygen. b. is going toward the lungs. d. has very little plasma. ____ 6. Vessels that carry blood away from the heart are called a. veins. b. capillaries. c. arteries. d. venules. ____ 7. The heart chamber that receives blood from the venae cavae is the a. left atrium. b. right atrium. c. left ventricle. d. right ventricle. ____ 8. Blood entering the right atrium a. is full of oxygen. c. is deoxygenated. b. is returning from the lungs. d. is low in plasma and platelets. ____ 9. Oxygenated blood from the lungs is received by the a. left ventricle. b. right atrium. c. left atrium. d. right ventricle. ____ 10. Which type of blood vessel is both strong and elastic? a. capillary b. artery c. vein d. venule ____ 11. An artery has a much thicker muscle layer than a. a vein. b. a venule. c. a capillary. d. All of the above ____ 12. The smallest and most numerous blood vessels in the body are the a. venules. b. veins. c. arteries. d. capillaries. ____ 13. An artery a. usually carries oxygen-rich blood. b. has thin, slightly elastic walls. c. has valves that prevent blood from flowing backward. d. All of the above ____ 14. If a blood vessel has valves, it is probably a. a vein. c. a venule. b. an artery. d. part of the lymphatic system. ____ 15. The force exerted against the arterial walls when the heart contracts is called
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1a5144f6462894c61cd16dd5f77ad21d - CHAPTER 46 CIRCULATORY...

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