CAMRT Radiography Practice Exam

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How many lobes does the right lung have?

  1. 2 lobes

  2. 3 lobes

  3. 4 lobes

  4. 1 lobe

The correct answer is: 3 lobes

The right lung is divided into three distinct lobes: the upper lobe, the middle lobe, and the lower lobe. This anatomical structure allows for efficient gas exchange and accommodates the larger size of the right lung compared to the left. The division into lobes is significant for radiographic interpretation, as it aids in identifying locations of potential abnormalities, such as tumors or infections, and understanding the lung’s overall anatomy and function. The distinct lobes help clinicians pinpoint specific areas during diagnostic imaging and treatment planning. In contrast, the left lung has only two lobes due to the presence of the heart, which occupies space on the left side of the thoracic cavity.

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