<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 65-year-old woman is brought to the emergency department by her husband who found her lying unconscious at home. He says that the patient has been complaining of progressively worsening weakness and confusion for the past week. Her past medical history is significant for hypertension, systemic lupus erythematosus, and trigeminal neuralgia. Her medications include metoprolol, valsartan, prednisone, and carbamazepine. On admission, blood pressure is 13070 mm Hg, pulse rate is 100 min, respiratory rate is 17min, and temperature is 36.5C 97.7oF. She regained consciousness while on the way to the hospital but is still drowsy and disoriented. Physical examination is normal. Finger-stick glucose level is 110 mgdl. Other laboratory studies show:Na 120 mEqL 136145 mEqLK 3.5 mEqL 3.55.0 mEqLCI- 107 mEqL 95105 mEqLCreatinine 0.8 mgdL 0.61.2 mgdLSerum osmolality 250 mOsmkg 275295 mOsmkgUrine Na 70 mEqL Urine osmolality 105 mOsmkg She is admitted to the hospital for further management. Which of the following is the next best step in the management of this patients condition?? A: Fluid restriction, B: Rapid resuscitation with hypertonic saline, C: Desmopressin, D: Lithium, E: Tolvaptan,  <response>: This is a question about hyponatremia low sodium level in a patient with a history of hypertension, lupus, and trigeminal neuralgia who is on medications including a diuretic valsartan. The key findings are hyponatremia, low serum osmolality, low urine osmolality, and normal kidney function. This indicates hypotonic or dilutional hyponatremia likely due to the diuretic use. The goal is to correct the sodium level slowly to avoid osmotic demyelination syndrome. Based on the scenario, the best next step would be fluid restriction to decrease total body water and allow the serum sodium to correct slowly over 48 hours.A: Fluid restriction 