This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which is the hallmark feature of conn's syndrome 
Select and explain. 
A. Hypertension with hyperkalemia, B. Hypertension with hypokalemia, C. Hypotension with hyperkalemia, D. Hypotension with hypokalemia
B: Hypertension with hypokalemia
Answer: B: Hypertension with hypokalemia 
Explanation: Conns syndrome will cause increased aldosterone levels.
It will cause hypertension with hypokalemia.