Which statement about the apices of the lungs is true? The apices of the lungs:
a. Are at the level of the second rib anteriorly.
b. Extend 3 to 4 cm above the inner third of the clavicles.
c. Are located at the sixth rib anteriorly and the eighth rib laterally.
d. Rest on the diaphragm at the fifth intercostal space in the midclavicular line (MCL).
ANS: B
The apex of the lung on the anterior chest is 3 to 4 cm above the inner third of the clavicles. On the posterior chest, the apices are at the level of C7.
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