The nurse manager is explaining quality improvement (Q) to nurses in the emergency department who will lead an improvement project on the facility's sepsis protocol. Which statement made by the nurse manager best defines QI in healthcare?

"Quality improvement focuses on using specific processes to monitor and continually improve the quality of client care."

"Quality improvement focuses on using specific processes to monitor and continually improve the working environment of the nurse."

"Quality improvement focuses on using specific processes to monitor and continually improve a hospital unit's ability to maintain safe staffing ratios."

"Quality improvement focuses on using specific processes to monitor and continually decrease the cost of healthcare services."