A client who is diagnosed with Cushing’s syndrome asks the nurse about the cause of the disorder. Which response by the nurse is most accurate? 1. ‘‘Cushing’s syndrome results from decreased iodine in...

A client who is diagnosed with Cushing’s syndrome asks the nurse about the cause of the disorder. Which response by the nurse is most accurate?

1. ‘‘Cushing’s syndrome results from decreased iodine in the diet.’’

2. ‘‘Cushing’s syndrome results from overproduction of ACTH by the pituitary.’’

3. ‘‘Cushing’s syndrome is caused by a reduction of calcium from the bone.’’

4. ‘‘Cushing’s syndrome is caused by an elevation in blood glucose.’’