MEDICAL
PLEURA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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At the height of C7
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At the height of C2
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At the height of Th1
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At the height of C5
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Detailed explanation-1: -The apex lies above the first rib. The three borders include the anterior, posterior, and inferior borders. The anterior border of the lung corresponds to the pleural reflection, and it creates a cardiac notch in the left lung. The cardiac notch is a concavity in the lung that formes to accommodate the heart.
Detailed explanation-2: -In the anterior chest, the apex, or highest point, of lung tissue is 3 to 4 cm above the inner third of the clavicles. The base, or lower border, rests on the diaphragm at about the sixth rib in the midclavicular line. Laterally, lung tissue extends from the apex of the axilla down to the seventh or eighth rib.
Detailed explanation-3: -Each lung has a base resting on the diaphragm and an apex extending superiorly to a point approximately 2.5 cm superior to the clavicle.