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
Hypokalemic Hypeension is a feature of? 
Select and explain. 
A. Bater syndrome, B. Gitelman syndrome, C. Grave's disease, D. Liddle syndrome
D: Liddle syndrome
Answer: D: Liddle syndrome 
Explanation: Liddle syndrome: Is a defect in aldosterone receptor ENaC which exhibits a reduced degradation and results in channel being in open configuration for a longer duration. This enhances mineralocoicoid action and leads to enhanced urinary loss of potassium. Choice A and B have normal to low BP since both have salt wasting. Grave's will cause hypeension due to intrinsic sympathomimetic action of thyroid hormones. However there is no electrolyte imbalance.