A 31-Year-Old Man Comes to the Physician Because of a 9-Month

A 31-year-old man comes to the physician because of a 9-month history of increasing fatigue and recurrent nausea. During this period, he has had a 3.8-kg (8.4-lb) weight loss. He also reports feeling lightheaded when he stands up suddenly. The patient has type 1 diabetes mellitus and has noticed decreased insulin requirements over this time. Physical examination shows hyperpigmentation of the lips and oral mucosa. Measurement of serum cortisol before and after administration of exogenous adrenocorticotropic hormone (ACTH) shows no difference in the levels.  Which of the following changes in serum laboratory values is most likely present in this patient?

A) A
B) B
C) C
D) D
E) E

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free