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Human Gas Exchange Systems 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. What is the other name for the gas exchange system?

Question 2 2. Which of the following effects does NOT happen as a result of smoking?

Question 3 3. Which of the following is NOT an effect of an inhaler on breathing in an asthmatic?

Question 4 4. _____ is a condition of inflammation in the airways leading to the lungs that makes breathing difficult.

Question 5 5. Which of the following is an effect of exercise on gas exchange?

Page 2

Question 6 6. Why does air move out of the lungs during expiration?

Question 7 7. Which gas law accounts for ventilation?

Question 8 8. Contraction of which muscle results in inspiration?

Question 9 9. Which of the following is NOT true concerning ventilation?

Question 10 10. Which of the following events occurs first during inspiration?

Page 3

Question 11 11. Which of the following correctly represents the formula for the maximum volume of air that our lungs can hold?

Question 12 12. After Shelley takes a deep breath, the greatest amount of air she can expel from her lungs is known as _____. However, Shelley cannot completely empty her lungs, so _____ is the amount of air that remains in her lungs.

Question 13 13. Amelia was recently diagnosed with severe scoliosis. She was told by her physician that this disease will eventually result in stiffness of the chest wall or stiffness in the lungs themselves, which will result in difficulty with lung expansion. This is an example of _____.

Question 14 14. Pulmonary function tests assess an individual's _____, which is simply the movement of air into the lungs, known as _____ and the movement of air out of the lungs, known as _____.

Question 15 15. How does a spirometer perform a pulmonary function test?

Page 4

Question 16 16. The two main branches of the trachea that lead to the lobes of the lung are known as _____.

Question 17 17. In the lungs, after oxygen leaves the air, where does it travel next?

Question 18 18. Which of the following explains why humans are unable to absorb enough oxygen through their skin?

Question 19 19. Which of the following is smallest in size?

Question 20 20. Which of the following is NOT a feature of alveoli?

Page 5

Question 21 21. What is the name of the branched tubes that carry air inside your lungs?

Question 22 22. Which of the following is a wide muscle that lies below your lungs that helps you breathe?

Question 23 23. Oxygen that you inhale passes through the walls of the alveoli and enters which of the following?

Question 24 24. When you inhale air, what happens to the diaphragm?

Question 25 25. What are the tiny air sacs found in your lungs called?

Page 6

Question 26 26. The circulation of blood from the right side of the human heart to the lungs and back to the heart completes which circuit?

Question 27 27. Which part of the following human body is NOT considered a part of the circulatory system?

Question 28 28. If a sample of blood is deoxygenated, where is it likely to be found in the circulatory system of the human body?

Question 29 29. What is the purpose of the systemic circuit of the human body?

Question 30 30. What is the job of the human body's pulmonary circuit?

Human Gas Exchange Systems 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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