A nurse is caring for a client who has a new diagnosis of adrenal insufficiency.Which of the following prescriptions should the nurse anticipate from the provider?

Choice A rationalePhenytoin is an antiepileptic drug used to manage seizures by stabilizing neuronal membranes, and it has no role in treating adrenal insufficiency.Choice B rationaleCalcitonin is a hormone used to lower blood calcium levels, treating conditions like hypercalcemia and osteoporosis, but not adrenal insufficiency.Choice C rationaleBuspirone is an anxiolytic medication used to treat anxiety disorders by acting on serotonin receptors, and it is not indicated for adrenal insufficiency.Choice D rationaleFludrocortisone is a synthetic corticosteroid used to replace mineralocorticoids in patients with adrenal insufficiency, helping maintain electrolyte balance.