After a hypophysectomy, vasopressin is given IM for which of the following reasons?
After hypophysectomy or removal of the pituitary gland, the body can’t 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.