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: Pharmacology
Beta2-agonist cause all except 
Select and explain. 
A. Hyperkalemia, B. Hyperglycemia, C. Tremer, D. Palpitaion
A: Hyperkalemia
Answer: A: Hyperkalemia 
Explanation: Ans. is 'a' i.e., Hyperkalemia Adverse effects of inhalational agonists The most common side effects are muscle tremor and palpitation Hypokalemia Hyperglycemia Tolerance Throat irritation Ankle edema Other side effects are anxiety, headache, muscle cramps, dry mouth, arrhythmia, flushing (due to vasodilatation), hypoxemia, MI, disturbance of sleep and behaviour.