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The Human Circulatory System Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. If a sample of blood is deoxygenated, where is it likely to be found in the circulatory system of the human body?

Question 2 2. What is the purpose of the systemic circuit of the human body?

Question 3 3. Which part of the following human body is NOT considered a part of the circulatory system?

Question 4 4. What is the job of the human body's pulmonary circuit?

Question 5 5. The circulation of blood from the right side of the human heart to the lungs and back to the heart completes which circuit?

Page 2

Question 6 6. Arteries in the circulatory system are the blood vessels experiencing the highest pressure. How are the arteries adapted to experience such high pressures?

Question 7 7. Name the very thin, flattened cells lining the inner walls of capillaries.

Question 8 8. Which of the following statements is FALSE about veins?

Question 9 9. Describe the action of one-way valves found inside the veins.

Question 10 10. Blood flows through a closed circulatory system. Where in the system does the exchange of gases and nutrients occur?

Page 3

Question 11 11. Which of these structures is not a part of the respiratory system?

Question 12 12. What are some of the benefits of the conducting zone?

Question 13 13. What is the difference between the conducting zone and the respiratory zone?

Question 14 14. Which of the following is part of the lower respiratory system?

Question 15 15. What allows the trachea to expand and contract while we breathe?

Page 4

Question 16 16. What is the primary reason that each atrium is smaller than the ventricles?

Question 17 17. Blood flow into the atrium may be described as:

Question 18 18. Which items are TRUE for the atria?

Question 19 19. Why doesn't the atrium have intake valves?

Question 20 20. Where are the pacemaker cells located in the heart?

Page 5

Question 21 21. Which valve prevents backflow into the right atrium when the ventricles contract?

Question 22 22. Which chamber receives blood returning to the heart from the body?

Question 23 23. You are comparing audio recordings of the heartbeats of three different patients. In Patient Three, you notice that the second thump of the heartbeat sounds much weaker and fainter. You would suspect that this patient's heart issue is associated with _____.

Question 24 24. Which valve opens when the left ventricle contracts?

Question 25 25. Which chamber of the heart receives blood from the lungs?

Page 6

Question 26 26. What makes up the formed elements of blood?

Question 27 27. What organ(s) are responsible for maintaining plasma volume?

Question 28 28. What organ is responsible for removing old and damaged blood cells from the bloodstream?

Question 29 29. Plasma is mostly composed of ______.

Question 30 30. Which of the following is not found in plasma?

The Human Circulatory System Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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