A nurse in the oncology unit is caring for a 32-year-old client with Non-Hodgkin's lymphoma who is receiving chemotherapy. The client complains of nausea, decreased appetite, muscle cramps, and malaise. What is the priority action by the nurse? a Request an order for serum electrolytes and uric acid. b Increase the client's IV infusion rate. c Instruct assistive personnel to strain all urine. d Administer an IV antiemetic.