The nurse initiates continuous enteral feeding at 8 am at 50 mL/hour for a client with malnutrition. It is now noon. What priority action should the nurse take at this time?
a. Flush the feeding tube with 100 mL of water.
b. Assess bowel sounds and gastric pH.
c. Measure the gastric residual volume.
d. Keep head of bed elevated at least 30 degrees.