The patient has had chronic lung disease for many years.This would lead the nurse to expect his anteroposterior (AP)ratio to be:

Question

Quizplus · Accepted Answer

In a child,chest shape is almost circular,with anteroposterior (AP)diameter in a 1:1 ratio.In an adult,the chest is twice as wide (lateral)as deep (anterior/posterior)with a 2:1 lateral:anterior/posterior diameter.Chronic lung disease results in a 1:1 ratio.This is referred to as a "barrel chest."

The Patient Has Had Chronic Lung Disease for Many Years