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Exam (elaborations)
NR 324: Adult Health II HESI 
Benchmark Final Exam 
Comprehensive The Complete Exam Preparation Mastery Manual: 
Advanced Study Guide, Extensive 
Test Bank Review, Full-Length 
Practice Questions, and Final Knowledge Assessment 

A client with diabetes insipidus has a urine output of 500 mL/hour, severe thirst, dry mucous membranes, and tachycardia. Which laboratory finding requires the nurse to intervene most urgently? 
A.	Serum sodium of 185 mEq/L 
B.	Urine specific gravity of 1.002 
C.	Serum glucose of 118 mg/dL 
D.	Hematocrit of 48% 
Correct Answer: A. Serum sodium of 185 mEq/L 
Rationale: 
A serum sodium level of 185 mEq/L indicates severe, potentially life-threatening hypernatremia resulting from significant...