*NURSING > EXAM REVIEW > A&P 1 101 Module 2 exam 2 - Portage Learning (All)
How many lobes does the right human lung have? Your Answer: 3 lobes Three Lobes Air (and not food) pass in which of the following areas: A. Esophagus B. Nasopharynx C. Oropharynx D.... Both A. and C. In the respiratory system, gas exchange occurs in the: A. Bronchi B. Respiratory bronchioles C. Terminal bronchioles D. Pulmonary alveoli E. B &D Label the following five items from the diagram:Label A- Label C- Label E- Label F- Label H- Your Answer: A-Nasal Cavity C-Soft Palate E- Vocal Fold F- Trachea H- Tounge Label A- Nasal Cavity Label C- Soft Palate/ Uvula Label E- Glottis Label F- Trachea Label H- Tongue Note: Essay answers must clearly be in your own words. Explain what happens to the epiglottis during swallowing. Why? Your Answer: The epiglottis moves inferiorly covering the trachea to prevent food or liquid from entering the lungs. The trachea is closed by the epiglottis. The epiglottis moves inferiorly, covering the trachea. This is to prevent food or liquid from entering the lungs. Note: Essay answers must clearly be in your own words. A premature baby is having difficulty producing surfactant. Explain what problems may occur and why. Your Answer: Surfactant prevents alveoli from sticking together and keeps them from collapsing during exhalation. Without surfactant breathing difficulty can occur. Breathing difficulty (respiratory distress) is likely to occur. Surfactant covers the luminal surface and keeps the alveoli from sticking together (or collapsing) during exhalation. True/False: Negative pressure is used to move air into the lungs. True False True/False: During inhalation the diaphragm contracts to pull the lungs open. Correct Answer True False True/False: During inhalation the rib cage is lowered pull the lungs open. True ..............................continued [Show More]
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