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
Beta blockers are used in hyperthyroidism: 
Select and explain. 
A. As short term symptomatic therapy till effect of carbimazole develops, B. As long term therapy after subtotal thyroidectomy, C. In patient not responding to carbimazole, D. To potentiate the effect of radioactive iodine
A: As short term symptomatic therapy till effect of carbimazole develops
Answer: A: As short term symptomatic therapy till effect of carbimazole develops 
Explanation: None