Which finding is most likely when assessing the chest of a patient with emphysema?
A) 1:2 anteroposterior (AP) diameter/transverse diameter
B) 1:3 anteroposterior (AP) diameter/transverse diameter
C) 1:4 anteroposterior (AP) diameter/transverse diameter
D) 2:1 anteroposterior (AP) diameter/transverse diameter
D) 2:1 anteroposterior (AP) diameter/transverse diameter
Explanation: A) The patient with emphysema has a barrel chest, with an increased 2:1 anterior-posterior diameter to transverse diameter because of hyperinflation. A normal AP diameter/transverse diameter is 1:2.
B) The patient with emphysema has a barrel chest, with an increased 2:1 anterior-posterior diameter to transverse diameter because of hyperinflation. A normal AP diameter/transverse diameter is 1:2.
C) The patient with emphysema has a barrel chest, with an increased 2:1 anterior-posterior diameter to transverse diameter because of hyperinflation. A normal AP diameter/transverse diameter is 1:2.
D) The patient with emphysema has a barrel chest, with an increased 2:1 anterior-posterior diameter to transverse diameter because of hyperinflation. A normal AP diameter/transverse diameter is 1:2.
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