Which of the following structures pass through the hilum of the lung?

At which level of the bronchial tree does cartilage disappear, leaving the airway supported primarily by smooth muscle?

Which statement about the anatomy of the nasal cavity is correct?

Which intrinsic laryngeal muscle is the primary abductor of the vocal folds, and what is its clinical significance?

During laryngoscopy, a student is asked to identify the arytenoid cartilages. Where are these cartilages located within the larynx?

Which of the following statements regarding pneumocytes and pulmonary surfactant is correct?

Which of the following statements correctly describes a feature of the pharyngeal regions?

Which of the following correctly describes the composition of the nasal septum?

Which of the following statements about bronchopulmonary segments is correct?

Use the frequency distribution you created in number 8 to create a frequency polygon.  Use midpoints for the horizontal axis and relative frequency for the vertical axis.  Be sure to label everything! (5 points)