Which of the following statements is/are correct regarding the anatomy of the lungs and pleura?I. The visceral pleural covers the surface of each lungII. The apices are the most superior parts of the lungsIII. The right lung consists of two lobesIV. Only the left lung consist of three lobes
Question
Which of the following statements is/are correct regarding the anatomy of the lungs and pleura?I. The visceral pleural covers the surface of each lungII. The apices are the most superior parts of the lungsIII. The right lung consists of two lobesIV. Only the left lung consist of three lobes
Solution
The correct statements regarding the anatomy of the lungs and pleura are:
I. The visceral pleura does indeed cover the surface of each lung. This is a thin membrane that tightly adheres to the outside of the lungs and dips into the fissures where it becomes continuous with the parietal pleura.
II. The apices are the most superior parts of the lungs. They extend into the root of the neck, above the level of the first rib.
III. This statement is incorrect. The right lung consists of three lobes - the superior, middle, and inferior lobes.
IV. This statement is also incorrect. The left lung consists of two lobes - the superior and inferior lobes. The left lung is slightly smaller than the right to make room for the heart.
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