The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 26-year-old woman comes to the physician because of fatigue, weight loss, and muscle aches during the past 2 months. There is no personal or family history of serious illness. Her only medication is a multivitamin. A metyrapone stimulation test is performed and the results rule out a diagnosis of adrenal insufficiency. Which of the following changes in laboratory findings are most likely to have been observed in this patient following the administration of the drug?   (A) Increase in serum ACTH   (B) Decrease in urinary 17-hydroxycorticosteroids   (C) Decrease in serum 11-deoxycortisol   (D) Increase in serum cortisol
['(A) Increase in serum ACTH <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Increase in serum ACTH \n (B) Decrease in urinary 17-hydroxycorticosteroids \n (C) Decrease in serum 11-deoxycortisol \n (D) Increase in serum cortisol <> possible answers', '  A 26-year-old woman comes to the physician because of fatigue, weight loss, and muscle aches during the past 2 months. There is no personal or family history of serious illness. Her only medication is a multivitamin. A metyrapone stimulation test is performed and the results rule out a diagnosis of adrenal insufficiency. Which of the following changes in laboratory findings are most likely to have been observed in this patient following the administration of the drug? <> context@']