A patient has a long history of chronic obstructive pulmonary disease (COPD). During the assessment, the nurse will most likely observe which of these?

A. Anteroposterior-to-transverse diameter ratio of 1:1: In COPD, chronic air trapping leads to hyperinflation of the lungs, causing a "barrel chest" appearance where the anteroposterior (AP) diameter approaches or equals the transverse diameter (1:1 ratio). This is a hallmark physical finding in advanced stages of the disease. B. Unequal chest expansion: COPD causes diffuse rather than localized lung pathology, leading to generally reduced but symmetrical chest expansion. Unequal expansion is more characteristic of conditions like pneumothorax, pleural effusion, or unilateral lung consolidation. C. Atrophied neck and trapezius muscles: Patients with COPD often develop hypertrophy of the neck and accessory muscles due to chronic respiratory effort, not atrophy. These muscles become more prominent as they assist with breathing, especially during exacerbations. D. Increased tactile fremitus: Fremitus is the vibration felt on the chest wall when a patient speaks. In COPD, hyperinflation and air trapping decrease lung density, leading to reduced tactile fremitus. Increased fremitus is typically found in conditions with lung consolidation, such as pneumonia.