This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'All of the following may be used to treat Acute Hypercalcemia Except: \nSelect and explain. \nA. Hydration with saline, B. Calcitonin, C. Biphosphonates, D. Gallium Nitrate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Gallium Nitrate) Gallium Nitrate exes s hypocalcemic effect by inhibiting calcium resorption from bone. Maximum hypocakemic effect of gallium nitrate may take 3-4 days to appear and it is not often used now because of availability of superior alternatives. Gallium nitrate is the single best answer of exclusion. Treatment of Hypercalcemia Onset of Action Hydration with Saline Hours Forced diuresis (saline + loop diuretic) Hours Calcitonin Hours Intravenous phosphate Hours Pheomycin / Mithromycin Hours Dialysis Hours Biphosphonates Days (1 to 2 days) Glucocoicoids Days Gallium Nitrate Days (3-4 days)', 'role': 'assistant'}]