A female patient has come to the endocrinologist complaining about excessive lethargy and fatigue. She states that he has been steadily losing weight, and often feels light-headed and dizzy. She is diaphoretic, and her skin has b darker , tanned appearance. Based on the follow 8 results, what endocrine disorder may be occurring?

Blood pressure = 90/60 mm Hg                                           Serum calcium = 2.9 +      !/!

Serum sodium = 100 mmol/I                                                Hematotrit = 50%

Serum potassium = 5.8 mmol/I                                            Serum glucose = 65 mg/dl

a.   Acromegaly

b.   Addison disease

c. cushing disease

d. Diabetes insipidus

e. Hyperthyroidism