Which of the following best describes the visceral and parietal pleura?
They are surfactant secreting membranes
They line the inner wall of the trachea, bronchi, and bronchioles
They are serous membranes
They line the mediastinum
The Correct Answer is C
A. They are surfactant secreting membranes: Surfactant is secreted by alveolar cells, not pleural membranes.
B. They line the inner wall of the trachea, bronchi, and bronchioles: These are lined by mucosa, not pleura.
C. They are serous membranes: The visceral pleura covers the lungs; the parietal pleura lines the thoracic cavity.
D. They line the mediastinum: The pleura surround the lungs, not the mediastinum specifically.
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Related Questions
Correct Answer is C
Explanation
A. They are surfactant secreting membranes: Surfactant is secreted by alveolar cells, not pleural membranes.
B. They line the inner wall of the trachea, bronchi, and bronchioles: These are lined by mucosa, not pleura.
C. They are serous membranes: The visceral pleura covers the lungs; the parietal pleura lines the thoracic cavity.
D. They line the mediastinum: The pleura surround the lungs, not the mediastinum specifically.
Correct Answer is C
Explanation
A. is located within the pleural cavities: it is part of the larynx, not the lungs.
B. is innervated by the phrenic nerve: phrenic nerve innervates the diaphragm, not the epiglottis.
C. Prevents food and water from getting into the respiratory passages: it acts as a flap that closes the trachea during swallowing.
D. Is a tube that connects the pharynx and the middle ear: that is the Eustachian tube.
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