A patient with long-term asthma develops Cushing syndrome. What is the cause of this condition?
Abruptly withdrawing cortisone therapy
Poorly functioning adrenal glands
Lacking ACTH, related to the pituitary gland
Taking corticosteroids for many years
The Correct Answer is D
A. Abruptly withdrawing corticosteroid therapy can lead to adrenal insufficiency, not Cushing syndrome.
B. Poorly functioning adrenal glands cause Addison’s disease, not Cushing syndrome.
C. Lacking ACTH leads to secondary adrenal insufficiency, not Cushing syndrome.
D. Taking corticosteroids for many years can result in exogenous Cushing syndrome due to prolonged exposure to high cortisol levels, which mimic the effects of endogenous Cushing syndrome.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Insulin should not be injected into a limb that will be actively exercised, as it can alter absorption rates and lead to hypoglycemia.
B. Regular, moderate exercise is recommended to improve glucose control, not minimizing it.
C. Exercise consistency helps to maintain stable blood glucose levels and prevent fluctuations.
D. Exercising at the peak action of insulin increases the risk of hypoglycemia. It is safer to avoid high-intensity exercise during this time.
Correct Answer is D
Explanation
A. Hypertension does not contraindicate the use of sulfonylureas.
B. A blood glucose level of 140 mg/dL is a common finding in type 2 diabetes, and sulfonylureas are used to control such levels.
C. Shingles (herpes zoster) does not directly contraindicate the use of sulfonylureas.
D. Sulfonylureas should not be given to patients with a sulfa allergy because these medications contain sulfa compounds, which could cause an allergic reaction.
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