Final answer:
Chronic obstructive pulmonary disease (COPD) is the pulmonary disease associated with an increased DLCO.
Step-by-step explanation:
Chronic obstructive pulmonary disease (COPD) is the pulmonary disease associated with an increased DLCO. COPD is characterized by chronic poor airflow, leading to shortness of breath and a productive cough. It is caused mainly by tobacco smoking, which breaks down connective tissues in the lungs and reduces the number and elasticity of alveoli.