This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Which of the following is an adverse efect of beta agonist ? 
Select and explain. 
A. Hypoglycemia, B. Hypomagnesemia, C. Hypophosphatemia, D. Hypokalemia
D: Hypokalemia
Answer: D: Hypokalemia 
Explanation: ref; KD Tripathi 7the edition pharmacology (page no;132) Adrenaline produces glycogenolysis=hyperglycaemia beta agonists like salbutamol produce hypokalemia Salbutamol reduces serum potassium levels by increasing the shift of extracellular potassium into the intracellular space.