<prompt> After a hypophysectomy, vasopressin is given IM for which of the following reasons?To treat growth failureTo prevent syndrome of inappropriate antidiuretic hormone SIADHTo reduce cerebral edema and lower intracranial pressureTo replace antidiuretic hormone ADH normally secreted by the pituitary.  <response>: After hypophysectomy or removal of the pituitary gland, the body cant synthesize ADH.Option A: Somatropin or growth hormone, not Vasopressin is used to treat growth failure.Option B: SIADH results from excessive ADH secretion.Option C: Mannitol or corticosteroids are used to decrease cerebral edema. 