Final answer:
A client receiving parenteral nutrition should be assessed for hyperglycemia symptoms, such as excessive thirst and frequent urination, which are indicators of high blood glucose.
Step-by-step explanation:
The nurse monitoring a client receiving parenteral nutrition (PN) should assess the client for manifestations of hyperglycemia, which include excessive thirst and frequent urination. These symptoms are common indicators of elevated blood glucose levels. In hyperglycemia, the kidneys try to get rid of the excess glucose through urination, which can lead to dehydration. This, in turn, triggers a compensatory mechanism causing an increased thirst to replenish lost fluids.