How many lobes does the left lung have?

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Study for the AAMI Certified Associate in Biomedical Technology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

How many lobes does the left lung have?

Explanation:
Lobes are formed by fissures that separate portions of the lung. On the left side, the oblique fissure divides the lung into an upper lobe and a lower lobe. There isn’t a horizontal fissure on the left, so there isn’t a middle lobe on that side. The left lung is a bit smaller and has a cardiac notch to accommodate the heart, but the key point for this question is that it is split into two lobes by the oblique fissure.

Lobes are formed by fissures that separate portions of the lung. On the left side, the oblique fissure divides the lung into an upper lobe and a lower lobe. There isn’t a horizontal fissure on the left, so there isn’t a middle lobe on that side. The left lung is a bit smaller and has a cardiac notch to accommodate the heart, but the key point for this question is that it is split into two lobes by the oblique fissure.

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