This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Adrenal Gland, Subject name: Medicine
Adrenal insufficiency causes:- 
Select and explain. 
A. A rise in plasma sodium/potassium ratio, B. Low blood pressure, C. Increase breakdown of protein, D. A fall in extra-cellular fluid volume
B: Low blood pressure
Answer: B: Low blood pressure 
Explanation: Plasma Na /K ratio | in Addison's disease Weight loss not d/t protein breakdown but its because of salt and water retention. IOC - ACTH Stimulation Test/Co- Syntropin Test Rx- Hydrocoisone (DOC)