Problem: LPN/LVN Sarah is performing a focused respiratory assessment on Mr. Lee, a 45-year-old patient with chronic obstructive pulmonary disease (COPD). Which assessment finding requires immediate intervention and suggests worsening respiratory function? Need Assignment Help? A. Respiratory rate of 22 breaths per minute ?. Occasional coughing C. Bilateral lung sounds clear to auscultation D. Use of accessory muscles for breathing and a significant drop in oxygen saturation