The given diagram shows a type of epithelium. The parts of respiratory system lined by the given type of epithelium are
Correct answer: C. Trachea and Bronchus
- A. Pharynx and larynx
- B. Pharynx and trachea
- C. Trachea and Bronchus
- D. Larynx and bronchioles
Explanation
The pharynx is lined by ciliated pseudostratified columnar epithelium and nonkeratinized stratified squamous epithelium depending on location. Ciliated pseudostratified columnar epithelium lines the larynx, trachea, and bronchi. Bronchioles are lined with simple ciliated columnar epithelium. As it is not specified about the type of pharynx, we can't truly know the type of epithelium in the pharynx (as it depends on location). So, we'll go with the safer option of trachea and bronchus, as both are fully lined with ciliated pseudostratified columnar epithelium.
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The human respiratory system conducts air to the alveoli, where oxygen and carbon dioxide exchange occurs across thin respiratory surfaces. Questions cover the nasal passage, trachea, bronchi, lungs, diaphragm and intercostal muscles, ventilation mechanics and gas transport, while distinguishing breathing and gaseous exchange from cellular respiration.
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