If a patient has COPD would their blood pH be acidic or basic?

Acidic

Explanation:

COPD (Chronic Obstructive Pulmonary Disease) is a disease in which the airflow in and out of the lungs is obstructed. This can cause a buildup of carbon dioxide in the bloodstream, which can lead to respiratory acidosis. Respiratory acidosis occurs when the partial pressure of carbon dioxide in the blood (PaCO2) is elevated. This can cause the blood pH to drop below 7.35, which is considered to be acidic.