The nurse is caring for a client scheduled for removal of a pituitary tumor using thetranssphenoidal approach. The nurse should be particularly alert for: A. Nasal congestion B. Abdominal tenderness C. Muscle tetany D. Oliguria Answer A: Removal of the pituitary gland is usually done by a transsphenoidal approach, through the nose. Nasal congestion further interferes with the airway. Answers B, C, and D arenot correct because they are not directly associated with the pituitary gland.  A client with cancer is admitted to the oncology unit. Stat lab values reveal Hgb 12.6, WBC 6500, K+ 1.9, uric acid 7.0, Na+ 136, and platelets 178,000. The nurse evaluates that theclient is experiencing which of the following? A. Hypernatremia B. Hypokalemia C. Myelosuppression D. Leukocytosis Answer B: Hypokalemia is evident from the lab values listed. The other laboratory findings arewithin normal limits, making answers A, C, and D incorrect.