The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 70-year-old man is brought to the emergency department by staff of the group home where he resides because of worsening confusion for the past week. He has a history of major depressive disorder and had an ischemic stroke 4 months ago. Current medications are aspirin and sertraline. He is lethargic and disoriented. His pulse is 78/min, and blood pressure is 135/88 mm Hg. Physical examination shows moist oral mucosa, normal skin turgor, and no peripheral edema. While in the waiting room, he has a generalized, tonic-clonic seizure. Laboratory studies show a serum sodium of 119 mEq/L and an elevated serum antidiuretic hormone concentration. Which of the following sets of additional laboratory findings is most likely in this patient?  $$$ Serum osmolality %%% Urine sodium %%% Serum aldosterone $$$   (A) ↓ ↓ ↓   (B) ↑ ↓ normal   (C) ↓ ↑ ↑   (D) ↓ ↑ ↓
['(D) ↓ ↑ ↓ <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) ↓ ↓ ↓ \n (B) ↑ ↓ normal \n (C) ↓ ↑ ↑ \n (D) ↓ ↑ ↓ <> possible answers', '  A 70-year-old man is brought to the emergency department by staff of the group home where he resides because of worsening confusion for the past week. He has a history of major depressive disorder and had an ischemic stroke 4 months ago. Current medications are aspirin and sertraline. He is lethargic and disoriented. His pulse is 78/min, and blood pressure is 135/88 mm Hg. Physical examination shows moist oral mucosa, normal skin turgor, and no peripheral edema. While in the waiting room, he has a generalized, tonic-clonic seizure. Laboratory studies show a serum sodium of 119 mEq/L and an elevated serum antidiuretic hormone concentration. Which of the following sets of additional laboratory findings is most likely in this patient?\n $$$ Serum osmolality %%% Urine sodium %%% Serum aldosterone $$$ <> context@']