22.2 True/False Questions
1) The trachea, bronchi, and bronchioles are all located within the lungs.
2) Changes in the size of the thoracic cavity bring about inspiration and expiration.
3) Type II alveolar cells produce pleural fluid to keep the walls of the alveoli from collapsing or adhering together.
4) Gas exchange occurs across the bronchi and bronchioles.
5) The left lung has both a horizontal fissure and oblique fissure.
6) The pleural cavities extend two ribs below the inferior border of the lungs.
7) The external intercostal muscles are involved in active inspiration.
8) The groove through which air passes between nasal conchae is called a choanae.
9) The respiratory zone begins at the large bronchioles.
10) The only laryngeal cartilage to form a complete ring is the cuneiform.
11) When the diaphragm contracts, it raises the floor of the thoracic cavity upward.
12) The scalene muscles are involved in deep inspiration.
13) The number of secondary, or lobar, bronchi is a distinguishing characteristic of the right and left lungs.
14) The vocal ligaments are attached between the cricoid and arytenoid cartilages.
15) The mucosal epithelium transitions from pseudostratified columnar to simple cuboidal along the path to the respiratory bronchioles.