Which of the following statements concerning the pleura is correct?
A) The pleural fluid between the the parietal pleura and visceral pleura ensure that as the thorax expands, the lungs expand as well.
B) The parietal pleura separates from the visceral pleura as the thorax expands.
C) The fluid secreted by the pleural membranes compresses the lungs causing them to collapse.
D) All of the choices are correct.

Question

Quizplus · Accepted Answer

The pleural fluid between the parietal and visceral pleura acts as a lubricant, allowing the lungs to move smoothly against the thoracic wall during respiration. It also creates a surface tension that helps in keeping the lungs expanded against the thoracic wall, ensuring that they expand as the thorax expands.

Which of the Following Statements Concerning the Pleura Is Correct