ANSWER: ENCOURAGE THE ADOLESCENT TO URINATE FREQUENTLY.
EXPLANATION:
When an individual has complicated acute appendicitis, a surgical operation is urgently performed to remove the vermiform appendix.
However, during the infusion of parental fluids, the measure to be established by the medical practitioner (nurse) is enjoining the patient to pass out urine frequently, in other to flush out the remaining residue from the operation out of the body system.