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Module 2 exam #2.docx

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Module 2 exam #2.docx Question 1 4 / 4 pts How many lobes does the right human lung have? Your Answer: Three lobes Three Lobes Question 2 3 / 3 pts Air (and not food) pass in which of the fol ... lowing areas: A. Esophagus Correct! B. Nasopharynx C. Oropharynx D. Both A. and C. Question 3 3 / 3 pts In the respiratory system, gas exchange occurs in the: A. Bronchi B. Respiratory bronchioles C. Your Answer: A-Nasal cavity C-Soft Palate E-Golittis F-Trachea H-Tongue Label A- Nasal Cavity Label C- Soft Palate/ Uvula Label E- Glottis Label F- Trachea Label H- Tongue Question 5 5 / 5 pts Note: Essay answers must clearly be in your own words. Explain what happens to the epiglottis during swallowing. Why? Your Answer: Trachea is closed by the epiglottis during swallowing. Epiglottis moves inferiorly and covers the trachea this process prevents food and/or liquid going in to 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. Question 6 5 / 5 pts Note: Essay answers must clearly be in your own words. Explain at least two differences between Type I and Type II alveolar cells. Your Answer: 1- Type 1 alveolars make up 95% of the alvolar epithelial cells. Type 2 only 5% of the alvolar epithelial cells. 2- [Show More]

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