All are true regarding SIADH except:: (A) Increased level of ADH, (B) Urine hypoosmolar, (C) Hyponatremia, (D) Adequate hydration status
Answer is B. Answer is B (Hyposmolar urine): SIADH is characterized by an inappropriately increased urine osmolality (Hyperosmolar urine) in the presence of decreased plasma osmolality.