input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 35-year-old Caucasian female presents to the hospital alarmed by her recent truncal weight gain, facial hair growth, and thinning skin. During the physical exam, the physician finds that the patient is hypertensive. Serum analysis reveals hyperglycemia. The physician suspects a pituitary adenoma. Which dexamethasone test result would help confirm the physician's suspicions?   (A) Low-dose, increased ACTH; high-dose, decreased ACTH   (B) Low-dose, decrease in ACTH; high-dose, no change in ACTH   (C) Low-dose, no change in ACTH; high-dose, no change in ACTH   (D) Low-dose, no change in ACTH; high-dose, decreased ACTH
output: ['(D) Low-dose, no change in ACTH; high-dose, decreased ACTH <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Low-dose, increased ACTH; high-dose, decreased ACTH  (B) Low-dose, decrease in ACTH; high-dose, no change in ACTH  (C) Low-dose, no change in ACTH; high-dose, no change in ACTH  (D) Low-dose, no change in ACTH; high-dose, decreased ACTH <> possible answers', "  A 35-year-old Caucasian female presents to the hospital alarmed by her recent truncal weight gain, facial hair growth, and thinning skin. During the physical exam, the physician finds that the patient is hypertensive. Serum analysis reveals hyperglycemia. The physician suspects a pituitary adenoma. Which dexamethasone test result would help confirm the physician's suspicions? <> context"]