What is the effect of respiratory acidosis on blood pH levels?

Respiratory acidosis is a condition characterized by an excess of carbon dioxide (CO2) in the bloodstream, usually due to inadequate ventilation or respiratory function. As CO2 levels rise, it reacts with water in the body to form carbonic acid, which dissociates into bicarbonate and hydrogen ions. This increase in hydrogen ion concentration results in a decrease in blood pH, leading to acidosis.

The correct understanding of respiratory acidosis indicates a clear link between elevated carbon dioxide levels and a reduced pH. When the blood pH decreases, it signifies a more acidic environment, confirming that respiratory acidosis directly impacts the pH levels by lowering them. Thus, a decrease in pH is the appropriate response to the conditions caused by respiratory acidosis.