If a reference mentions a middle lobe, that refers to which lung?

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Multiple Choice

If a reference mentions a middle lobe, that refers to which lung?

Explanation:
The middle lobe is a feature of the right lung. The right lung is divided into three lobes—upper, middle, and lower—by the horizontal fissure between the upper and middle lobes and the oblique fissure between the middle and lower lobes. The left lung has only two lobes (upper and lower) and lacks a middle lobe. So when a reference mentions a middle lobe, it points to the right lung.

The middle lobe is a feature of the right lung. The right lung is divided into three lobes—upper, middle, and lower—by the horizontal fissure between the upper and middle lobes and the oblique fissure between the middle and lower lobes. The left lung has only two lobes (upper and lower) and lacks a middle lobe. So when a reference mentions a middle lobe, it points to the right lung.

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